New parts fabrication ideas?
I've really had the bug to fabricate something new here lately, but I am out of town for work for the next two weeks, then I will be going to Maui for a month. :) Since I won't be home for a while, I thought now would be a good time to start doing my research and try to get some ideas of something that would be worth doing.
I am nearing the end of my build (see sig for link) and have not put a whole lot of effort into my tune yet, and with winter here (in Colorado) I won't be getting the car out to do anymore of that until the spring. I figured now would be the time to add any improvements that will affect the tuning. My initial thoughts are to fabricate a new UIM and LIM. What do you guys think? Worth it or not? I want to do the LIM to correct the flow imbalance that exists in the stock manifold, and I want to do the UIM to improve flow, as well as to improve the low RPM torque as much as possible since I ditched the twins for a new Garrett T04z. I also want to clean up the looks of the motor since I've eliminated all of the emissions junk. The problem is that I don't have any experience in designing manifolds for "function" and I haven't been able to find any specific information about it for the 13B. Searches for UIM and LIM return so many different results that it is pointless to try. Does anyone have any links that pertain to UIM and LIM R&D for the 13B. Any other ideas are welcome also. |
It would definitely be worth it, and fun as hell to mess around with until u get it right!
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Personally, I see no gain.
If you absolutely have the urge to get creative, then go for it!! Otherwise, what is the point? Imbalance in flow, sure. So what? Your TO4Z will make over 500whp with AI. The redesign of a manifold that is effective is extremely involved and likely just not worth it. My recommendation is to spend your time and money on area's of your car that you have overlooked. I looked at your mod list, and your car looks very sorted. Maybe a few idea's that you may or may not have already looked at. Water Injection HID retrofit Better cooling ducting 929 Master Cylinder Silicone vacuum lines Upgraded oil coolers |
Here's some good reads on manifold design if anyone is interested.
http://horsepowercalculators.net/int...anifold-design http://www.custom-car.us/intake/intake-manifold.aspx XLR8, You might very well be right about it not being worth it if I'm looking for gains. My main interest here is to do whatever I can to improve the low end torque and HP. That's my excuse anyway. I enjoy fabricating just as much as I do driving the car, I just don't want to go into it without enough information to make it perform at least as well as the stock manifold. I don't enjoy fabricating trash, so I guess it would be a bit of a gamble until I get it on the dyno. As far as your recommendations go: Water Injection - Already installed HID retrofit - No interest Better cooling ducting - Already In Progress 929 Master Cylinder - Agreed, but I can't fabricate it Silicone vacuum lines - Already Done Upgraded oil coolers - Just installed the Sakebomb dual 25 row coolers. Thanks and keep the ideas coming. |
I dont see the point in making a custom LIM because Xcessive already makes one, and it is still available. Maybe if you could make it much cheaper but I dont know how you could do that.
I can certainly understand if you want to make one so you can point to it and say you made it though. If that is the case than go for it.:icon_tup: John |
OP, I see where you are coming from. It's great to see owners who get involved in their car and not just "own" them or modify them. Always looking for innovative ways to improve the overall performance and styling is what makes being a car enthusiast so enjoyable.
If you're looking for torque, I would start by looking into things that will increase spool time. There in lye's all the key to rotary torque. Start with ditching that front mount, and looking into a V-mount. V-mounts are a fabricators field day. Next of course would be an electronic boost controller, turbo blanket, and ceramic coating the IM's. With my setup, I hit 15psi at 3500rpm on a stockport. It will be increased even more once it is ported. I literally have maybe 3' total of intercooler piping. And to toss a few more idea's at ya! ;) Rollbar Upgraded sway bars Corner balancing LSD diff Trans & diff braces Aluminum drive-shaft (Rotary Extreme) Custom fire extinguisher mounting (fun fab work there :)) Coil relocation |
Trans & diff braces are a good idea! If you've looked through my build thread you will see I have recently spent more than just a few pennies and I can't really "buy" much more for a while unless I want to be single. And I'm not talking about my turbo if you know what I mean. That's why I'm looking for things I can fabricate, not buy. A few materials here and there, no big deal, but if I start ordering more parts... it probably won't turn out too good. Besides, I'm kind of ready to stop spending money on it for a while too. This last build cost me more than I paid for the car around 10 years ago!
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Cupholder?
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Originally Posted by phdofski
(Post 10880761)
Cupholder?
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A bolt on fully ducted front brake system. Backing plates are already available but the pinch point in the fender well for a 3" diameter tubing sucks. The new vette's have a nice piece of blow-molded plastic for this location. Sure would be nice to have something to fit an FD.
Oh and some nicely fitted inlets that mate to the back of the stock lip or the '99 lip would be nice also. :) Regards, Crispy |
How about a bolt-in quick release fire extinguisher mount?
I only mention because I want one ;) |
Originally Posted by CrispyRX7
(Post 10880989)
A bolt on fully ducted front brake system.
Originally Posted by Turbo8
(Post 10881018)
How about a bolt-in quick release fire extinguisher mount?
Great ideas, keep 'em coming! |
New exhaust manifold for non-sequential twins
New Y-pipe for non-sequential twins More efficient intake for rear turbo on stock twins. I like the twins :) |
Drop spindles.
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we already have the Excessive/Ground Zero LIM....... now we need a matching UIM and we're all set
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I'd be interested in the backing plate for brake ducting. And if you're in an accident bad enough that it would uproot your extinguisher from behind the seat, finding it might be the least of your worries haha.
Do you ever bring your car out? I'm hoping to get with Mike B and get some things planned this summer for Denver area/C Springs/etc, probably at least a big meet in Denver at some point. |
Originally Posted by cohbra
(Post 10877260)
My initial thoughts are to fabricate a new UIM and LIM. What do you guys think? Worth it or not? I want to do the LIM to correct the flow imbalance that exists in the stock manifold, and I want to do the UIM to improve flow, as well as to improve the low RPM torque as much as possible since I ditched the twins for a new Garrett T04z. I also want to clean up the looks of the motor since I've eliminated all of the emissions junk.
The problem is that I don't have any experience in designing manifolds for "function" and I haven't been able to find any specific information about it for the 13B. Searches for UIM and LIM return so many different results that it is pointless to try. Does anyone have any links that pertain to UIM and LIM R&D for the 13B. http://i254.photobucket.com/albums/h...C/IMG_0760.jpg |
^ Holy crap... you could make some wheel center caps
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Originally Posted by Ball joint
(Post 10881158)
New exhaust manifold for non-sequential twins
New Y-pipe for non-sequential twins More efficient intake for rear turbo on stock twins.
Originally Posted by Prometheus
(Post 10881442)
Drop spindles.
Originally Posted by cptpain
(Post 10881733)
we already have the Excessive/Ground Zero LIM....... now we need a matching UIM and we're all set
Originally Posted by speedjunkie
(Post 10882050)
I'd be interested in the backing plate for brake ducting...
Originally Posted by speedjunkie
(Post 10882050)
Do you ever bring your car out?
Originally Posted by TwinCharged RX7
(Post 10882073)
I'm pretty sure mine's going to work :)
Originally Posted by sc_frontier
(Post 10882182)
^ Holy crap... you could make some wheel center caps
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Originally Posted by cohbra
(Post 10882469)
I will be doing these sooner or later, but probably later at this point.
Originally Posted by cohbra
(Post 10882469)
I will definately be bringing my car out in the spring. I haven't been around the last few years because I've been saving & building, but now, I am about ready to start going to the meets again. I sent a message out on the Yahoo group a few weeks back looking for interest to get Steve Kan back to Denver for some tuning in the spring, but I didn't get much of a response. Hopefully it will happen. I'm just learning to tune for the first time and would really like Steve to go through it on the dyno before I start hammering on the car too much.
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If you're going up to Loveland to have him tune it, then you're passing right by my house. Give me a shout some time if you are going by. If mine is running well enough by then, maybe I could meet you guys in Loveland. I think Turbo8 is in Ft. Collins. We could put together our own meet I suppose.
Where are you at mymmeryloss? You mentioned being something about reasonable prices on your side of the hill in the past. Are you in Grand Junction or somewhere over there on the western slope? |
Originally Posted by cohbra
(Post 10882822)
If you're going up to Loveland to have him tune it, then you're passing right by my house. Give me a shout some time if you are going by. If mine is running well enough by then, maybe I could meet you guys in Loveland. I think Turbo8 is in Ft. Collins. We could put together our own meet I suppose.
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Sweet! Sounds like a plan. Now I just have to figure out how to get my car registered again. When I started my build, there were no emissions laws in Erie, however, just last November they started emissions testing and now I don't have even one piece of emissions equipment left on my car... Unless you can count the gas cap.
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I have a solution for the registration problem. I got your back haha. PMed you.
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I already PM'ed him about it Eric haha
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