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1999 FRC Pro Mod Style TT Kit

 
Old 11-01-2017, 11:35 AM
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The air filters showed up and were test fitted. There was just barely enough room on the driver side but it fits. If you remember, one of the goals was to run filters so this meant another item was checked off on the build.





This build has been fun so far because new things are being created and learned and it's usually for just a few hours each weekend.
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Old 11-01-2017, 11:37 AM
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The intercooler showed up and was mounted. It was a good time to get some practice on welding aluminum. :hide:

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Old 11-01-2017, 11:39 AM
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With the turbos mounted, there was a starting point so now I needed an ending point at the intercooler to begin routing the 2.5" aluminum piping.


Fitting the cast 90 degree elbow




Piping from the compressor around the frame and through the cradle

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Old 11-01-2017, 11:39 AM
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Here's the inspiration for all of the piping.

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Old 11-01-2017, 11:41 AM
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Something like this really simplifies things for vette owners without taking things to the extreme. I realize there is a big oval hole in each fender, but otherwise the car could appear stock.

Some of the observed benefits:
  • Factory style exhaust manifolds are affordable and cut down on fabrication
  • Minimal exhaust tubing saves weight and reduces backpressure
  • Lack of exhaust tubing in tunnel should cut down on cabin heat
  • Turbos are behind the front tires for better F/R weight bias
  • Increased room and less heat in the engine compartment
  • A/C is still functional

Some things still to figure out:
  • Will it be too loud for street driving?
  • Will the ZL1 exhaust manifolds flow enough to not be a restriction?
  • Are the shorty 4 inch air filters large enough to supply the 68mm compressor?
  • Will the A/C compressor be compatible with the front engine plate
  • Will ground clearance still be adequate?
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Old 11-01-2017, 11:47 AM
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Originally Posted by RonSSNova View Post
Cool build. Keep the photos coming!

Ron
Thanks. Should be fun.

Originally Posted by AnotherWs6 View Post
This guy is a **** tease.
These things take time.
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Old 11-01-2017, 12:24 PM
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Good build! And progress pics!
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Old 11-01-2017, 01:43 PM
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Originally Posted by R_trim 93GT View Post
Thanks. Should be fun.
I'm a C5 owner. Given the fact that modified C5's lose value every day it seems, no issues for me doing what you are doing.

I know you from the Corvette site.

BTW, yes it will be loud. Worse at idle.
The air filters will be fine. We used some of those on a 1200 rwhp Jeep.

Ron
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Old 11-01-2017, 03:30 PM
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Originally Posted by RonSSNova View Post
I'm a C5 owner. Given the fact that modified C5's lose value every day it seems, no issues for me doing what you are doing.

I know you from the Corvette site.

BTW, yes it will be loud. Worse at idle.
The air filters will be fine. We used some of those on a 1200 rwhp Jeep.

Ron
Yeah, to me it's a good platform from the standpoint of having a full frame, aerodynamic, not extremely heavy, etc. The electronics can be finicky at times. The column lock issue finally got me this year after owning the car for 9 years. I've also had some issues with the throttle and higher boost levels.

I figured I would post up over here since the other site seems to be fairly slow. In a way all the forums aren't as active as they used to be.

Good to know on the filters. Fingers crossed the exhaust it isn't too loud. I'm hoping with it pointing outward and away from the car that it isn't as loud inside the car. I'm not too worried about how loud it is outside the car.
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Old 11-01-2017, 11:21 PM
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Originally Posted by R_trim 93GT View Post
Here's the inspiration for all of the piping.

Went to the Smithsonian I see, I took the same picture lol
Love the exhaust out the fender
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Old 11-02-2017, 10:29 AM
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Originally Posted by slocaddy View Post
Went to the Smithsonian I see, I took the same picture lol
Love the exhaust out the fender
Thanks. Yep, I went there this summer. It was a great trip. I want to go back and visit the annex to see the SR-71.
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Old 11-02-2017, 10:36 AM
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Passenger Cold Side Done

It ends up being two complete pieces and is bead rolled on each end. Only three couplers are required.



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Old 11-02-2017, 10:39 AM
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DS complete

I still need to go back and weld out all of the aluminum but it will be easy now that everything is verified to fit.

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Old 11-02-2017, 10:42 AM
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Passenger side manifold from a ZL1 Camaro and associated 2.5" hotside piping.



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Old 11-02-2017, 10:45 AM
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The start of the driver side manifold



And the completed pipe routing

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Old 11-02-2017, 10:48 AM
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The rest of the materials for the charge piping showed up on Friday, October 27th, so it was time to get creative.

I couldn't fit a 4" pipe without making some major changes, so the 64mm BOV was mounted to the intercooler and I made plans to route 2 - 3" pipes.




The 1st order of business was to drill some 76mm holes in the top of a brand new intercooler.



Then cut a couple of short 3" pieces so they would be plumb and weld on the van-jen flanges.
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Old 11-02-2017, 10:51 AM
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With these two outlets located on the intercooler, I began experimenting with piping angles and fitment.



Pipe spacing needed to be established so I went ahead and built a merge to use as a template. I was going to need it anyway, so why not build it.
I used an old table saw that I inherited from my grandfather to make the cuts nice and square.



By Sunday evening, things were beginning to take shape.
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Old 11-02-2017, 10:53 AM
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A little more progress last night on the merge Tuesday night...





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Old 11-02-2017, 12:45 PM
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Looking good!
you will laugh, I have that exact same old table saw.
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Old 11-02-2017, 01:13 PM
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This is awesome.
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