Update on my car
09-06-04, 05:17 PM
#1
None
Thread Starter
Update on my car
In case anyone is interested.
Turbos are back in
Waiting on new compressor bypass valve to show up
Waiting on battery to show up
Waiting on headlight lenses to show up
I'm pretty much done refreshing myself on programming the Motec. I've had the car out around the block to 5000RPM 150kpa or so and everything seemed pretty smooth, of course I never went past 48% throttle position. I can't do any hard throttle testing as this is with a normal liquid battery sliding around in the hatch area with no hold down till the new one shows up, not to mention no headlights, seatbelts, insurance and 4 year expired tabs : ) I hope to resolve all of those issues this week and possibly to some serious tests over the weekend possibly.
I have a few things to resolve such as a fuel leak in the return line switch when using the sx pump and race tank, a welding bead in my additional injector assembly that is causing periodic leaks into the manifold past the lower O-Ring. I have a small oil leak causing little puddles under the turbos to track down, likely oil return line leaking at block.
Cooling system needs to be flushed badly, full of gunk after years of neglect but unfortunately I have a wetland in my backyard and private septic etc. so I can't let the flushed excess into the ground water or it'll kill quit a bit most likely. Looks like a station is the only option. On side note I still get the bubbling after shut off. I read through a lot of threads here and it's amazing how quickly people jump to the assumption that cooling seals are bad, sheesh. I've had the boiling noise as long as I can remember.
Well that's all.
Kevin T. Wyum
Turbos are back in
Waiting on new compressor bypass valve to show up
Waiting on battery to show up
Waiting on headlight lenses to show up
I'm pretty much done refreshing myself on programming the Motec. I've had the car out around the block to 5000RPM 150kpa or so and everything seemed pretty smooth, of course I never went past 48% throttle position. I can't do any hard throttle testing as this is with a normal liquid battery sliding around in the hatch area with no hold down till the new one shows up, not to mention no headlights, seatbelts, insurance and 4 year expired tabs : ) I hope to resolve all of those issues this week and possibly to some serious tests over the weekend possibly.
I have a few things to resolve such as a fuel leak in the return line switch when using the sx pump and race tank, a welding bead in my additional injector assembly that is causing periodic leaks into the manifold past the lower O-Ring. I have a small oil leak causing little puddles under the turbos to track down, likely oil return line leaking at block.
Cooling system needs to be flushed badly, full of gunk after years of neglect but unfortunately I have a wetland in my backyard and private septic etc. so I can't let the flushed excess into the ground water or it'll kill quit a bit most likely. Looks like a station is the only option. On side note I still get the bubbling after shut off. I read through a lot of threads here and it's amazing how quickly people jump to the assumption that cooling seals are bad, sheesh. I've had the boiling noise as long as I can remember.
Well that's all.
Kevin T. Wyum
09-06-04, 08:06 PM
#5
Racing Rotary Since 1983
iTrader: (6)
hi kevin,
the streets of minnesota aren't safe anymore.
since you are waiting for a few things to show up i suggest you stop by an Autozone and slap about 80 bucks on the table (100% refundable) for a cooling system pressure tester. crank it up to around 14 pounds and just watch the dial and listen/look for traces of coolant somewhere around your system. if the system is not air tight everywhere it won't hold vacuum and suck back into the engine the coolant it pushed out while your motor was 'a runnin.
the pressure tester sure made short work of my problems which would have been otherwise difficult to find. (i watercool my 2 tubros so there is a bunch of lines)
i don't recall if you run a pettit type AST. the instrument i got from Autozone required a U S sized radiator boss which fortunately the Pettit had.
'great to see you making noise again.
howard coleman
the streets of minnesota aren't safe anymore.
since you are waiting for a few things to show up i suggest you stop by an Autozone and slap about 80 bucks on the table (100% refundable) for a cooling system pressure tester. crank it up to around 14 pounds and just watch the dial and listen/look for traces of coolant somewhere around your system. if the system is not air tight everywhere it won't hold vacuum and suck back into the engine the coolant it pushed out while your motor was 'a runnin.
the pressure tester sure made short work of my problems which would have been otherwise difficult to find. (i watercool my 2 tubros so there is a bunch of lines)
i don't recall if you run a pettit type AST. the instrument i got from Autozone required a U S sized radiator boss which fortunately the Pettit had.
'great to see you making noise again.
howard coleman
09-06-04, 08:21 PM
#6
None
Thread Starter
The Motec is an M4 Pro with the advanced tuning package and wide range lambda.
Not a bad idea Howard, I'm also using wet turbos. I haven't noticed any coolant leaks, just a lot of crap in the coolant from years of sitting in there.
Kevin T. Wyum
Not a bad idea Howard, I'm also using wet turbos. I haven't noticed any coolant leaks, just a lot of crap in the coolant from years of sitting in there.
Kevin T. Wyum
Trending Topics
09-06-04, 10:22 PM
#8
None
Thread Starter
Of course step one was getting my turbos back, which happened last year, then I finished building out my shop a few weeks ago and then building all the group buy IC's, which I finished a couple weeks ago. The end was blocking everything out to allow a week to work on it. I've honestly been wanting to put it back together for a long LONG time. I finally had time to finally do it.
Kevin T. Wyum
Kevin T. Wyum
09-06-04, 10:55 PM
#9
Super Snuggles
Originally Posted by Kevin T. Wyum
Of course step one was getting my turbos back, which happened last year, then I finished building out my shop a few weeks ago and then building all the group buy IC's, which I finished a couple weeks ago. The end was blocking everything out to allow a week to work on it. I've honestly been wanting to put it back together for a long LONG time. I finally had time to finally do it.
09-06-04, 11:31 PM
#10
Senior Member
Join Date: Sep 2001
Location: MN
Posts: 291
Likes: 0
Received 0 Likes
on
0 Posts
guess what mine should be on the road this week also after 4yrs too heheeh. And guess what jr wants to run again but with his new turbo trans am. let me know when you are going to do the headlights because i want to do mine at the same time hey lets midway them at the same time talk to you soon jason
09-06-04, 11:35 PM
#11
Originally Posted by Kevin T. Wyum
.......... On side note I still get the bubbling after shut off. I read through a lot of threads here and it's amazing how quickly people jump to the assumption that cooling seals are bad, sheesh. I've had the boiling noise as long as I can remember.
Good luck with your project. Glad to hear it is running. Perhaps it will motivate others (hint hint) to finish up projects
09-07-04, 01:08 AM
#12
None
Thread Starter
Cool Jason, what was the problem with the smoke? I'm not sure how hard I'm going to push mine in the next month or so before I put it away. I really like the idea of putting it away knowing it's all set for spring : ). I'll probably run it up to 23 or 24 psi max, not sure where I'm going to be able to test or anything yet though.
On the headlights, do you have the PIAA front lenses already? If not PIAA sent me to the following place, CBT talk to Sheri (sp) 1-800-782-4686 the PIAA part number is 39104. You need 4 of them, I think it was about $220 total. They are no longer made so these are all from remaining parts stock, meaning when they run out they're all gone. Not sure if bulbs come with it or not. I need to find the Epoxy that Tan brought over when we did them in the past, it was some big 3M dual tube with a nifty mixing tip and came out black. It worked really well.
The downside is I'll have to leave my fender lips and paint until next year. I'll be the ghetto bridge port with scraping rear tires.
Jim, no kidding. I never thought I'd leave my car sitting for 4 years. I also have a habit of taking on so many things that there's no room for anything else. Congrats on the new offspring and I'll have to admit I never even knew you were married : ), congrats on that too. Anyone talk to Trev's dad anymore btw?
Kevin T. Wyum
On the headlights, do you have the PIAA front lenses already? If not PIAA sent me to the following place, CBT talk to Sheri (sp) 1-800-782-4686 the PIAA part number is 39104. You need 4 of them, I think it was about $220 total. They are no longer made so these are all from remaining parts stock, meaning when they run out they're all gone. Not sure if bulbs come with it or not. I need to find the Epoxy that Tan brought over when we did them in the past, it was some big 3M dual tube with a nifty mixing tip and came out black. It worked really well.
The downside is I'll have to leave my fender lips and paint until next year. I'll be the ghetto bridge port with scraping rear tires.
Jim, no kidding. I never thought I'd leave my car sitting for 4 years. I also have a habit of taking on so many things that there's no room for anything else. Congrats on the new offspring and I'll have to admit I never even knew you were married : ), congrats on that too. Anyone talk to Trev's dad anymore btw?
Kevin T. Wyum
09-07-04, 01:16 AM
#13
Super Snuggles
Originally Posted by Kevin T. Wyum
Anyone talk to Trev's dad anymore btw?
09-07-04, 02:33 AM
#14
WTB** Very Low Miles 94-95
Join Date: Jul 2001
Location: Tejas
Posts: 3,298
Likes: 0
Received 0 Likes
on
0 Posts
well the kiddo explains the slow progress on your machine....congrats. a worthy trade Im sure.
kevin...happy to see you doing this again. the whole modified twins idea had me wrapped up for a couple years and I followed what little info there was on your setup at the time....will be anxious to see how she does.
j
kevin...happy to see you doing this again. the whole modified twins idea had me wrapped up for a couple years and I followed what little info there was on your setup at the time....will be anxious to see how she does.
j
09-07-04, 07:51 AM
#15
Senior Member
Join Date: Sep 2001
Location: MN
Posts: 291
Likes: 0
Received 0 Likes
on
0 Posts
Cool keven i will call them today. the smoke was junk turbos. Im not going to push mine to hard until the spring but enough so that i know if i need to fix any thing this winter i will give you a call this week glad the beast is up. jason
09-07-04, 01:32 PM
#16
None
Thread Starter
For those interested in the turbo setup it is again doing one of its odd things it did last time. Besides putting out a lot of air flow at idle, half bridge with ball bearing turbos does that, they have an interesting alternating pulse of airflow out of the air filters. It sounds like a muted blow off valve every couple seconds. It poofs from the filter of one turbo and then a few seconds later the other and then back again. It's pretty goofy.
Kevin T. Wyum
Kevin T. Wyum
09-07-04, 03:21 PM
#17
RX-7 Bad Ass
iTrader: (55)
Glad to hear you're on the road, Kevin! You'll have to get some pics of the completed (or near-completed) setup!
BTW, on the coolant whooshing - do you have the heater in the car? I seem to recall a TSB about coolant bubbling/wooshing noises that related to the heater core. Might also just have some air trapped in the system.
Keep up the good work!
Dale
BTW, on the coolant whooshing - do you have the heater in the car? I seem to recall a TSB about coolant bubbling/wooshing noises that related to the heater core. Might also just have some air trapped in the system.
Keep up the good work!
Dale
09-11-04, 08:15 PM
#18
None
Thread Starter
The car is basically all together now, just missing the blowoff valve. I'll hold off till next year on body work like the flares and repaint. The boiling appears to be the coolant in the block and turbos after shut down. The in block coolant temps go from 82-87C at shutdown to 110C since no coolant is flowing through the block. By starting the car again and circulating the coolant it drops right back down to 82-87C. I do have air pockets still as I'm down a little coolant each time, actually I need to flush it yet.
Anyway had the car out today trying to do a little basic tuning for 14psi on pump gas and some general drivability. I'm having a hard time deciding on an AF ratio on pump gas. It's nice and crisp at .79 or .80 but I'm a little concerned that might be a bit lean on 93. I've always been one for using race gas to keep a motor safe. Other than sorting the maps out and working a little bit on low RPM (2000-4000) partial throttle stuff it's pretty nifty. Power comes on in a big way at upper RPM's. Of course that's where the maps lean out a little too much and bring it to .81 or so. It'll be a little bit before I try 20+ psi, I didn't buy a drum of C16 this year so I'll need to beg for some off friends. Let's just hope these turbo's don't go to hell like the last ones.
Of course one more treat was noticing that my speedometer doesn't work. The best part of that is I just finished insulating and wrapping that harness at it passes over the turbos. The mice had been chewing on it, looks like I missed a break in the wire. I'll have to run a couple new wires through a different route, this car is a police magnet enough as it is I can't drive around with no clue about how fast I'm going.
Kevin T. Wyum
Anyway had the car out today trying to do a little basic tuning for 14psi on pump gas and some general drivability. I'm having a hard time deciding on an AF ratio on pump gas. It's nice and crisp at .79 or .80 but I'm a little concerned that might be a bit lean on 93. I've always been one for using race gas to keep a motor safe. Other than sorting the maps out and working a little bit on low RPM (2000-4000) partial throttle stuff it's pretty nifty. Power comes on in a big way at upper RPM's. Of course that's where the maps lean out a little too much and bring it to .81 or so. It'll be a little bit before I try 20+ psi, I didn't buy a drum of C16 this year so I'll need to beg for some off friends. Let's just hope these turbo's don't go to hell like the last ones.
Of course one more treat was noticing that my speedometer doesn't work. The best part of that is I just finished insulating and wrapping that harness at it passes over the turbos. The mice had been chewing on it, looks like I missed a break in the wire. I'll have to run a couple new wires through a different route, this car is a police magnet enough as it is I can't drive around with no clue about how fast I'm going.
Kevin T. Wyum
09-11-04, 09:06 PM
#20
Originally Posted by Kevin T. Wyum
On side note I still get the bubbling after shut off. I read through a lot of threads here and it's amazing how quickly people jump to the assumption that cooling seals are bad, sheesh. I've had the boiling noise as long as I can remember.
Kevin T. Wyum
Kevin T. Wyum
I don't which morons told you that boiling sound is coolant seal, but based on my mounting of water temp sensor at various locations on the car, I can confidently say that the boiling sound, if you're running the stock twins, is the result of the heat soak from the turbos and exhaust manifold.
Going to a higher cap, 19 or 21 psi will eliminate 90% of the boiling sound. Going with Evans NPG+ will eliminate ALL of the boiling sound. Installing an auxiliary electric water pump with a thermosensor will also ensure that coolant temp won't spike up after shutdown.
Good to see you back working on the FD instead of your decrying those people stealing your ideas for the M2 IC as ethically immoral. That concept went the way of believeing women were 1/2 of a man and other nonesuch. It's a free for all world, unless of course it's a trade secret, copyrighted or a patent.
Last edited by pomanferrari; 09-11-04 at 09:14 PM.
09-11-04, 10:39 PM
#22
None
Thread Starter
Yeah but I haven't stopped by work with the camera to FTP them up to the web. There are pictures on the web of the turbos already from 4 or 5 years ago when we first made the twin set up.
On the speedometer, no joy. I have continuity from the speed sensor all the way up to the harnesses down by the passenger kickpanel. So is it the gear in the sensor or the wiring behind the dash? (bleh) F'ing mice. It's been 4 years so maybe someone can refresh my memory, is there anything special to be done with the speedo when using a stand alone ECU? I don't remember to the two interacting at all, although the shop manual has a big black box for Speedo & ECU.
Jason, I assume yours will be fairly loud, I actually feed both of my wastegates back into the exhaust stream and have a Borla muffler where the cat used to be and another one in the OEM spot and it's still pretty loud.
Kevin T. Wyum
On the speedometer, no joy. I have continuity from the speed sensor all the way up to the harnesses down by the passenger kickpanel. So is it the gear in the sensor or the wiring behind the dash? (bleh) F'ing mice. It's been 4 years so maybe someone can refresh my memory, is there anything special to be done with the speedo when using a stand alone ECU? I don't remember to the two interacting at all, although the shop manual has a big black box for Speedo & ECU.
Jason, I assume yours will be fairly loud, I actually feed both of my wastegates back into the exhaust stream and have a Borla muffler where the cat used to be and another one in the OEM spot and it's still pretty loud.
Kevin T. Wyum
09-12-04, 02:59 AM
#23
None
Thread Starter
How fitting. My first night drive to check out the headlights and decide about aiming and the first car I run into high beams me because of the aiming of mine. Of course I flash them with the high beams in return. Hrmmm it's a cop heh whoops. Seeing his abrupt U turn I floor it and hit 180mph down the residential streets. err actually I just pulled over in the first parking lot to chat with him since I detest the stupid game of having them follow you for 10 minutes like an ***. He wasn't a car guy so it was annoying. I had to argue with him about hoosiers being DOT legal. It was probably a bad idea to take the car out at midnight on a weekend before I have everything setup. At least he didn't give me any garbage fix it tickets, so he wasn't too bad. I thought it was funny enough to mention here.
Kevin T. Wyum
Kevin T. Wyum
09-12-04, 10:33 AM
#24
Corn-to-Noise Converter
iTrader: (6)
Join Date: Mar 2002
Location: The Elysian Fields (Texas)
Posts: 1,527
Received 386 Likes
on
154 Posts
Welcome back to the game my friend !!
Flyin, Fightin, and Sweatin my **** Off in Rotary Beasts,
LCDR Carlos Iglesias
USS ROOSEVELT (DDG 80) AIRBOSS
airboss@ddg-roosevelt.navy.mil
Flyin, Fightin, and Sweatin my **** Off in Rotary Beasts,
LCDR Carlos Iglesias
USS ROOSEVELT (DDG 80) AIRBOSS
airboss@ddg-roosevelt.navy.mil
09-12-04, 02:04 PM
#25
I'm a CF and poop smith
Originally Posted by Kevin T. Wyum
The boiling appears to be the coolant in the block and turbos after shut down. The in block coolant temps go from 82-87C at shutdown to 110C since no coolant is flowing through the block. By starting the car again and circulating the coolant it drops right back down to 82-87C. I do have air pockets still as I'm down a little coolant each time, actually I need to flush it yet.
Kevin T. Wyum
Kevin T. Wyum
you might wanna look in to that VW vr6 have aux waterpumps, its eletrical and will keep water going thru your block after shut down and can be hooked up to a turbo timmer (to keep your fans on as well) but will also let water flow freely when it is shut off. here we go https://www.rx7club.com/showthread.p...electric+water
i just found it after searching haha, search button is good
Last edited by skunks; 09-12-04 at 02:09 PM.