boost prep a carb, someone answer me!
06-06-10, 04:41 AM
#1
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
boost prep a carb, someone answer me!
ok this is getting a little rediculous here
all i want to know is who will boost prep my nikki for me and how much do they want to do it?
ive emailed robert personally idk how many times with no response,
ive emailed racing beat, rotary shack, customcarbs, and sterlings actually websites with no response
ive also searched and found good info but no prices
i know sterling and rob are always online can you give me a quote...pretty please....with cheese on top?
thanks
p.s. sorry if i am coming off as a dick its just a little frusterating, i have everything i need for a turbo 12a priced out except a carb, idk if its 50$ or 500$ im clueless
oh and its a 85 nikki(minus emissions) that might possibly need a rebuilt also(idk you thats part of it or not)
all i want to know is who will boost prep my nikki for me and how much do they want to do it?
ive emailed robert personally idk how many times with no response,
ive emailed racing beat, rotary shack, customcarbs, and sterlings actually websites with no response
ive also searched and found good info but no prices
i know sterling and rob are always online can you give me a quote...pretty please....with cheese on top?
thanks
p.s. sorry if i am coming off as a dick its just a little frusterating, i have everything i need for a turbo 12a priced out except a carb, idk if its 50$ or 500$ im clueless
oh and its a 85 nikki(minus emissions) that might possibly need a rebuilt also(idk you thats part of it or not)
Last edited by rxmadness; 06-06-10 at 04:47 AM.
06-06-10, 07:17 AM
#3
agreed its frustrating and hard to find info about it on here, ive also contacted rotaryshack with no response. bad83 has been helpful though, i would recommend him if you don't want to do it yourself.
here are my thoughts, the info is out there if you read between the lines
- fully seal the carb, removing all solenoids etc and the vacuum secondary box
- larger fuel jets
- mechanical secondaries, i would stage them so that the primaries are used off boost and the secondaries are jetted richer and used for boost - e.g. the secondaries open around 1/3 - 1/2 throttle
- enlarge the AP, see sterling's write up
- would also need a rebuild (new gaskets), probably tighten the bolts and screws up a bit more than usual too, especially on the air horn near the float bowls
there are other things like pressurising the throttle shafts to prevent leakage but from what ive read this isn't a big issue.
FYI this is just research ive collated, i havent boosted my nikki yet but will be in the next few months when finance allows it.
here are my thoughts, the info is out there if you read between the lines
- fully seal the carb, removing all solenoids etc and the vacuum secondary box
- larger fuel jets
- mechanical secondaries, i would stage them so that the primaries are used off boost and the secondaries are jetted richer and used for boost - e.g. the secondaries open around 1/3 - 1/2 throttle
- enlarge the AP, see sterling's write up
- would also need a rebuild (new gaskets), probably tighten the bolts and screws up a bit more than usual too, especially on the air horn near the float bowls
there are other things like pressurising the throttle shafts to prevent leakage but from what ive read this isn't a big issue.
FYI this is just research ive collated, i havent boosted my nikki yet but will be in the next few months when finance allows it.
06-06-10, 12:38 PM
#6
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
oh ok well i asked him anyways,
you know if he got into boosting i bet it would go over well, i mean hes obviously got the knowledge to do it lol
but ya ill deffinatly keep tryin to get in touch with bad83 because of the good i hear of him.
you know if he got into boosting i bet it would go over well, i mean hes obviously got the knowledge to do it lol
but ya ill deffinatly keep tryin to get in touch with bad83 because of the good i hear of him.
Last edited by rxmadness; 06-06-10 at 12:49 PM.
06-06-10, 12:43 PM
#7
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
agreed its frustrating and hard to find info about it on here, ive also contacted rotaryshack with no response. bad83 has been helpful though, i would recommend him if you don't want to do it yourself.
here are my thoughts, the info is out there if you read between the lines
- fully seal the carb, removing all solenoids etc and the vacuum secondary box
- larger fuel jets
- mechanical secondaries, i would stage them so that the primaries are used off boost and the secondaries are jetted richer and used for boost - e.g. the secondaries open around 1/3 - 1/2 throttle
- enlarge the AP, see sterling's write up
- would also need a rebuild (new gaskets), probably tighten the bolts and screws up a bit more than usual too, especially on the air horn near the float bowls
there are other things like pressurising the throttle shafts to prevent leakage but from what ive read this isn't a big issue.
FYI this is just research ive collated, i havent boosted my nikki yet but will be in the next few months when finance allows it.
here are my thoughts, the info is out there if you read between the lines
- fully seal the carb, removing all solenoids etc and the vacuum secondary box
- larger fuel jets
- mechanical secondaries, i would stage them so that the primaries are used off boost and the secondaries are jetted richer and used for boost - e.g. the secondaries open around 1/3 - 1/2 throttle
- enlarge the AP, see sterling's write up
- would also need a rebuild (new gaskets), probably tighten the bolts and screws up a bit more than usual too, especially on the air horn near the float bowls
there are other things like pressurising the throttle shafts to prevent leakage but from what ive read this isn't a big issue.
FYI this is just research ive collated, i havent boosted my nikki yet but will be in the next few months when finance allows it.
Ill just leave this one for the pros lol
oh and blackdeath647 idk how often you talk to him but if you do could you let him know his services are wanted! lol thanks
Last edited by rxmadness; 06-06-10 at 12:45 PM.
Trending Topics
06-06-10, 10:57 PM
#9
I need a new user title
Join Date: Oct 2005
Location: Yaizu, Japan
Posts: 2,646
Likes: 0
Received 0 Likes
on
0 Posts
If all else fails, get a Weber DCOE and manifold. They're ridiculously simple to boost-prep, anyone could do it. The only semi-tricky bit is coming up with some neoprene to cut some gaskets out of (paper leaks boost like a ****; ask me how I know). But Amazon sells it in sheets of various thicknesses, so no problem. Oh, and don't use Permatex No. 2 sealant - it says it's gas resistant, but it's not. Not enough, anyway.
06-07-10, 12:12 AM
#10
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
youg guys are a big help! i got myself a t3 turbo today for 75$ its ht18s-2s the stock tII one but itll work great for my little 12a project now i just need the IC+pipe, BOV, boost controller, 255 pump, and rising rate fpr, and misc thing here and there
06-08-10, 03:04 AM
#12
let us know how it goes.personally i'm skeptical about the necessity of the walbro 255, i just don't think a boosted nikki will need anywhere near as much fuel as it can flow (not on an FC turbo anyway). but correct me if im wrong. i'll be using a stock FC turbo pump on mine, as I'm a cheapass haha
06-08-10, 06:10 PM
#13
Hey man Sam / Bad83 is a good friend of mine, And with that said if you like I would be willing to sale all you need LOL I'v got bad83's hole 12a turbo setup just setting in my grage. from when he swoped over to 13b. Ive got the turbo and moded mani and special made aluminum turbo spacer. and the boost preped carb and blowtruw hat and SA intake it has no airbypass on it. So
If you would like to get with me we can come up with somthing.
If you would like to get with me we can come up with somthing.
06-09-10, 07:02 AM
#14
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
Hey man Sam / Bad83 is a good friend of mine, And with that said if you like I would be willing to sale all you need LOL I'v got bad83's hole 12a turbo setup just setting in my grage. from when he swoped over to 13b. Ive got the turbo and moded mani and special made aluminum turbo spacer. and the boost preped carb and blowtruw hat and SA intake it has no airbypass on it. So
If you would like to get with me we can come up with somthing.
If you would like to get with me we can come up with somthing.
06-09-10, 07:09 AM
#15
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
good stuff, sounds like you have it all sorted let us know how it goes.
personally i'm skeptical about the necessity of the walbro 255, i just don't think a boosted nikki will need anywhere near as much fuel as it can flow (not on an FC turbo anyway). but correct me if im wrong. i'll be using a stock FC turbo pump on mine, as I'm a cheapass haha
let us know how it goes.personally i'm skeptical about the necessity of the walbro 255, i just don't think a boosted nikki will need anywhere near as much fuel as it can flow (not on an FC turbo anyway). but correct me if im wrong. i'll be using a stock FC turbo pump on mine, as I'm a cheapass haha
06-09-10, 07:11 AM
#16
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
i have a aeromotive 1;1 rising rate fpr btw and im kinda planning on using stock fuel lines but if that doesnt work i suppose ill go to oriellys and get some 3/16" rubber fuel line
06-09-10, 08:37 AM
#17
to use the stock lines you would need to dead head the carby, since the return line is being used be the regulator. what is the lowest base pressure setting of the aeromotive reg? my mallory only goes down to 3psi, which was flooding the dead-headed carb, i may be able to get around this by adjusting the floats (fresh needles might help too lol) but we'll see. On Sterling's site he recommends around the 2psi mark for a dead-headed Nikki.
re the pump, my plan is to try the stocker FC pump and get my fuel pressure gauge mounted on the dash so I can watch what happens on boost. As you probably know the fuel pressure needs to be boost pressure + base pressure. If the pressure starts to drop off during full boost, its time for a better pump.
basically using the gauge gives you that safety net of seeing when the pump is starting to fail, as long as you stop accelerating the engine won't lean out because there is still enough fuel in the float bowls.
some more thoughts for you anyway hahaha. im spuing i ran out of money with only a few more bits and pieces needed to setup my boosted Nikki, and I've been broke ever since! =(
06-09-10, 10:06 AM
#18
Senior Member
Join Date: Sep 2008
Location: Glen Burnie, Maryland
Posts: 543
Likes: 0
Received 0 Likes
on
0 Posts
Im going turbo also. But a lill diff. Gonna try to use the 3rd gen twins. But think of this you dont need a pump that can deliver 50 PSI. The max PSI you should need should be what 20? So why not get a 20 PSI pump. You probly wont be boosting 17 18 Pounds would you?
06-15-10, 07:27 PM
#20
It's supposed to do that.
iTrader: (3)
Join Date: Jul 2009
Location: Fayette, AL
Posts: 286
Likes: 0
Received 0 Likes
on
0 Posts
Thanks, Wyatt
06-16-10, 04:15 PM
#21
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
im going to start rebuilding my s4 this week, seems easy enough, kit comes with ok instructions but i proably wont use it. im just wondering if i need to have it balanced and i wonder who around here could do it......
06-16-10, 06:03 PM
#22
Yeah, shutup kid.
Sure, a 20psi pump might work, but the fuel system is something you don't want to skimp on(or anything for that matter). You don't want to be maxing out the fuel pump, you want a pump that will supply more than enough psi and flow and let the regulator deal with the extra fuel.
No, I can't tell you how to prep the carb, it's not something I figured out myslef(although with how easy it is I probably could have). I was taught how to do it but had to promise to keep the info to myself. I will say that Oneiros has it just about right.
06-16-10, 08:47 PM
#23
Senior Member
Join Date: Sep 2008
Location: Glen Burnie, Maryland
Posts: 543
Likes: 0
Received 0 Likes
on
0 Posts
I'd stay away from the 3rd gen twins, much more work than they're worth. My car with a stock 12a, Nikki I prepped myself and a TII turbo made 200rwhp 210tq at 14 or 16psi, not exactly sure on the pressure, it was a few years ago.
Sure, a 20psi pump might work, but the fuel system is something you don't want to skimp on(or anything for that matter). You don't want to be maxing out the fuel pump, you want a pump that will supply more than enough psi and flow and let the regulator deal with the extra fuel.
No, I can't tell you how to prep the carb, it's not something I figured out myslef(although with how easy it is I probably could have). I was taught how to do it but had to promise to keep the info to myself. I will say that Oneiros has it just about right.
Sure, a 20psi pump might work, but the fuel system is something you don't want to skimp on(or anything for that matter). You don't want to be maxing out the fuel pump, you want a pump that will supply more than enough psi and flow and let the regulator deal with the extra fuel.
No, I can't tell you how to prep the carb, it's not something I figured out myslef(although with how easy it is I probably could have). I was taught how to do it but had to promise to keep the info to myself. I will say that Oneiros has it just about right.
06-16-10, 09:06 PM
#24
will be boostin soon!
Thread Starter
iTrader: (1)
Join Date: Jul 2009
Location: hudson, wi
Posts: 473
Likes: 0
Received 0 Likes
on
0 Posts
Kinda late on that. Already got the twins. For a really good price. Got a bunch of parts in and more gettin in soon. Bad83 is gonna boost prep, rebuild and mod my nikki. I know its gonna be some work but i really want to be the first and pioneer the twins in a FB with a 12A and carb.
06-16-10, 09:29 PM
#25
I need a new user title
Join Date: Oct 2005
Location: Yaizu, Japan
Posts: 2,646
Likes: 0
Received 0 Likes
on
0 Posts
One turbo or two doesn't matter (per se). Whether it can "handle" it or not is down to intake temps, combustion pressure, and air-fuel ratios. And carbon apex seals are a no-no for turbo engines because they are brittle.