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1987 Supercharged TPI w/ megasquirt/complete repaint build thread

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Old Mar 28, 2013 | 01:07 PM
  #351  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

link to fb page im too lazy to find it.
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Old Mar 28, 2013 | 01:07 PM
  #352  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

https://www.facebook.com/gmhightech?ref=stream
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Old Mar 28, 2013 | 01:10 PM
  #353  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Congrats man! Just saw that.
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Old Mar 28, 2013 | 02:19 PM
  #354  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

That's awesome, congrats!
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Old Mar 28, 2013 | 04:33 PM
  #355  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Pat is thoroughly pleased.
<-----^

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Old Mar 28, 2013 | 07:29 PM
  #356  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Originally Posted by NufNuffZ28






It's on GMHIGHTECHS facebook page. Share it!
Who's got one of the sexiest IROC-Z's ever..... ^--- That guy!

Congrats bruhhh!
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Old Mar 31, 2013 | 08:26 PM
  #357  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Just read this and all can say is WOW!!

The wife has been bugging me to keep my TPI intake and now I think I will.
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Old May 1, 2013 | 11:59 AM
  #358  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Few small updates.....



17" Race star wheels installed and ready........

26"x11.5 ET streets in the rear and 225/50r17 in the front.






Added a meth kit(all hidden except for the tank and line going into the elbow, of course)


Working on tuning still. Leaned it out a little as the new fuel filter made it rich everywhere under boost. In the low/mid 11's under boost with the meth. I think we are closing on the tune pretty good at this point. Few small issues, but ironing them out one at a time...





No pictures, BUT Dentfix has a Harwood cowl hood he is setting up for me. I can't wait to get rid of this hood and go to a regular 2 1/2" cowl.
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Old May 1, 2013 | 12:03 PM
  #359  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Man, it looks wicked with those wheels!

I think I like those better then the mesh style.
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Old May 1, 2013 | 02:15 PM
  #360  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Sick man! Gives the car split personalities now depending on what shoes it's wearing!
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Old May 1, 2013 | 05:09 PM
  #361  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

those wheels are perfect for that car. much better than the multispokes.
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Old May 2, 2013 | 09:19 AM
  #362  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Thanks....... I love the wheels, but still love my Autoarts as well.,..
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Old May 2, 2013 | 09:40 AM
  #363  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Watch out telling people you have a meth kit. Some tweakers might try and break in and steal it!
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Old May 2, 2013 | 10:01 AM
  #364  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Originally Posted by NufNuffZ28
Thanks....... I love the wheels, but still love my Autoarts as well.,..
Autoarts FTW!!!!
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Old May 2, 2013 | 01:21 PM
  #365  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Looking good.

Out of interest what is the tread depth of those ET Streets when new?
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Old May 2, 2013 | 01:31 PM
  #366  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

I'm not sure. I can measure them tonight for you....



I don't think I'd really call it "tread" though, LOL
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Old May 2, 2013 | 01:47 PM
  #367  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

I'd appreciate that. I'm trying to see how legal they would be in the UK.
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Old May 2, 2013 | 01:57 PM
  #368  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

I think they list the tread depths on Mickey thompsons site for all thier tires.
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Old May 3, 2013 | 08:25 AM
  #369  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Sure do have a lot going on under that hood! Looks good though!
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Old May 3, 2013 | 09:02 AM
  #370  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Sorry, forgot to measure the tread, but found the should be 6/32.


Under my hood is really simple. Well, mostly. Check out the overall pictures. I can get to anything under there rather quickly.

Sorry for it being dirty in the pictures
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Old May 15, 2013 | 01:56 AM
  #371  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

I just bought this magazine last week! Could've saved myself the money if I knew you had a thread

I'm glad I've seen this though. It's given me complete inspiration for what I want to do to my car!
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Old May 31, 2013 | 08:12 AM
  #372  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread



First pass


7.2@102 1.87 60'

bogged, forgot to shift to 4th(comes so quick) and meth was INOP.


Should be an easy 6 second car at 105. Going back to the dyno after I fix the broken DS from the next pass. I got the meth ironed out as well, so a full tune on that should get me some more gains!



Last edited by NufNuffZ28; Jun 7, 2013 at 12:41 PM.
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Old Jun 3, 2013 | 05:52 PM
  #373  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Yikes!
Hope that broke on the line!
Car has sure come a long way. Defiantly looking **** man.
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Old Jun 3, 2013 | 07:45 PM
  #374  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

N1CE
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Old Jun 3, 2013 | 09:01 PM
  #375  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Was the bog something you did or something in the tune? Did you log the run?

Sounds really good!
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Old Jun 3, 2013 | 10:45 PM
  #376  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Thanks yall...

I let off as it was starting to spin.... You can slightly hear it n the video.


I did log it, but its useless as the meth wasn't working. Going to get that tuned in on it this week...

Want 6.60s @105 plus!
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Old Jun 4, 2013 | 08:03 AM
  #377  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

You should get a F.I.R.S.T intake...if they ever make them again...
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Old Jun 4, 2013 | 01:16 PM
  #378  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

I know...... A small part of me wants to stay TPI, but shifting at 6000 is horrible. The motor is pulling SO hard then it just levels out!

Last edited by NufNuffZ28; Jun 4, 2013 at 03:33 PM.
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Old Jun 4, 2013 | 03:25 PM
  #379  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Are you serious? The Camaro's chokes itself out at high Rpms?
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Old Jun 4, 2013 | 03:33 PM
  #380  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Listen to the video.... In third gear you can hear where I "forgot" to shift and it started breaking up(or stopped pulling)
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Old Jun 4, 2013 | 10:22 PM
  #381  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Yup. Sounded like you hit a kill switch.
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Old Jun 7, 2013 | 12:40 PM
  #382  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Same passes from my gopro.


https://www.youtube.com/watch?featur...v=DlHx2o3BjdQ#




First pass was the best.... I need a better burnout!


7.2 @102

Second spun through 1 and 2, but stayed in it...

Last edited by NufNuffZ28; Jun 7, 2013 at 12:45 PM.
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Old Oct 16, 2013 | 10:43 AM
  #383  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Well. No real updates except for the fact I have twisted two aluminum driveshafts, so I finally got a steel Fleetpride one from Paul. Put it in my car and it turns out it is out of balance pretty badly and had to send it BACK to Fleetpride for another $120 worth of work.

The meth is tuned in and on point, so that is all good. Still no power after 6000, but it is a TPI intake.


Plans are to run at Dragging Rights in November. Hoping for some 10s at DR and then going to swap to a single plane intake.......so, if anyone has any single plane SBC parts for sale, let me know. I'm going to start gathering them now!
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Old Oct 20, 2013 | 10:06 PM
  #384  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

New best. Still tpi. Weighs 3500 without me!

1.55 60'
6.84 1/8
103.4 mph

Pretty pleased! !!

Sorry gopro was dead. I hope to run deep in the 10s soon once i hit a 1/4 mile track.

Then its dyno time to see what exactly the car is making and start my single plane swap
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Old Oct 27, 2013 | 09:41 PM
  #385  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Sweet!

Last edited by Gunnar1; Oct 27, 2013 at 09:45 PM.
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Old Nov 17, 2013 | 10:15 PM
  #386  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

http://www.youtube.com/watch?v=zkNtS...ature=youtu.be


10.5@134!
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Old Nov 17, 2013 | 10:46 PM
  #387  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

What happened to your chin spoiler?
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Old Nov 18, 2013 | 07:25 AM
  #388  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

It's removable.....
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Old Nov 18, 2013 | 08:27 AM
  #389  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Looks good and fast as hell too!

How much boost you pushing on that run?
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Old Nov 18, 2013 | 11:02 AM
  #390  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Hits 20psi at 6000 RPM.


After that it goes haywire. I am thinking it's valve springs. I am going to try and get some better valve springs on and shoot for even lower times!
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Old Nov 18, 2013 | 05:13 PM
  #391  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Is that backfire that I hear in the video?
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Old Nov 18, 2013 | 05:24 PM
  #392  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Yes...due to being supercharged and so much boost it pops between shifts since the throttle closes totally for a split second.....
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Old Nov 19, 2013 | 11:07 AM
  #393  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Originally Posted by NufNuffZ28
10.5@134!
Nice!
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Old Nov 21, 2013 | 10:55 AM
  #394  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

What do u do for a living. Its only about 5 3rd gens that had this much work done to it. I know u got a deal in parts and u sold other parts.
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Old Nov 21, 2013 | 04:34 PM
  #395  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

I'm just an insurance agent.

I have acquired a lot of parts over the years and will save to do something right instead of over and over
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Old Nov 21, 2013 | 04:51 PM
  #396  
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Originally Posted by NufNuffZ28
I'm just an insurance agent.

I have acquired a lot of parts over the years and will save to do something right instead of over and over
exactly , Trade some parts here n there for what ya want. Buy some here and there. Spend a few years building it right the 1 , 2 , 3 rd time.
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Old Nov 26, 2013 | 08:09 PM
  #397  
survivorcamaro's Avatar
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Wow. I must say you have build one hell of a machine. You took something that was ok, maybe even good to start with and made a monster! Beautiful ride. So when are you hitting the Dyno again to get some numbers?
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Old Nov 27, 2013 | 10:05 AM
  #398  
NufNuffZ28's Avatar
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From: NC
Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

A few more changes and we will see what it does.

Keeping TPI to run 9's with a stick TPI!
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Old Nov 27, 2013 | 11:26 AM
  #399  
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From: Lawrenceville GA
Car: 2012 Impala LTZ
Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Originally Posted by NufNuffZ28
I'm just an insurance agent.

I have acquired a lot of parts over the years and will save to do something right instead of over and over
That is one nice machine you have there. Congrats and keep up the good work.

I too second your philosophy (although I learned the hard way). I used to try to take the cheap way out. But it ended up costing more and taking longer.

Buy once, Cry once.
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Old Jan 5, 2014 | 08:38 PM
  #400  
irocdis's Avatar
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Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread

Congratulations! Awesome Iroc. Fastest tpi Camaro I've seen.


Do you have any pictures of your headers? I'm curious to see how you got long tubes to fit with t56 external slave.

Last edited by irocdis; Jan 6, 2014 at 01:30 PM.
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