1987 Supercharged TPI w/ megasquirt/complete repaint build thread
03-28-2013, 01:10 PM
#353
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Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread
Congrats man! Just saw that.
03-31-2013, 08:26 PM
#357
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Car: 87 GTA Trans Am
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 10 bolt posi 3.23
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.
The wife has been bugging me to keep my TPI intake and now I think I will.
05-01-2013, 11:59 AM
#358
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.
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.
05-01-2013, 12:03 PM
#359
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Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
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.
I think I like those better then the mesh style.
05-02-2013, 09:40 AM
#363
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Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
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! 
05-02-2013, 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?
Out of interest what is the tread depth of those ET Streets when new?
05-02-2013, 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.
05-02-2013, 01:57 PM
#368
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Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
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.
05-03-2013, 08:25 AM
#369
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Car: 85 Trans Am
Engine: 98 Vortec 350 LT1 Cam w/ TPI
Transmission: T56
Axle/Gears: 9 bolt 3:27
Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread
Sure do have a lot going on under that hood! Looks good though!
05-03-2013, 09:02 AM
#370
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
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
05-15-2013, 01:56 AM
#371
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Car: 1985 Chevrolet Camaro Z28
Engine: 305 Small Block V8 (tpi)
Transmission: 700R4
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!
I'm glad I've seen this though. It's given me complete inspiration for what I want to do to my car!
05-31-2013, 08:12 AM
#372
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; 06-07-2013 at 12:41 PM.
06-03-2013, 05:52 PM
#373
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Car: 1989 IROC & ROLL-Z
Engine: L98 Vortec FIRST TPI
Transmission: T56, Mech Speedo
Axle/Gears: G92 J65 3.27
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.
Hope that broke on the line!
Car has sure come a long way. Defiantly looking **** man.
06-03-2013, 09:01 PM
#375
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Car: 85 Trans Am
Engine: 98 Vortec 350 LT1 Cam w/ TPI
Transmission: T56
Axle/Gears: 9 bolt 3:27
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!
Sounds really good!
06-03-2013, 10:45 PM
#376
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!
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!
06-04-2013, 01:16 PM
#378
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; 06-04-2013 at 03:33 PM.
06-07-2013, 12:40 PM
#382
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...
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; 06-07-2013 at 12:45 PM.
10-16-2013, 10:43 AM
#383
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!
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!
10-20-2013, 10:06 PM
#384
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
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
10-27-2013, 09:41 PM
#385
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Car: 1988 IROC
Engine: procharged stock 350 tpi
Transmission: stock 700-R-4
Axle/Gears: stock 3.27
Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread
Sweet!
Last edited by Gunnar1; 10-27-2013 at 09:45 PM.
11-18-2013, 08:27 AM
#389
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Car: 89 GTA
Engine: 5.7L Supercharged
Transmission: T-56
Axle/Gears: Moser 9" 3.70
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?
How much boost you pushing on that run?
11-18-2013, 11:02 AM
#390
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!
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!
11-21-2013, 10:55 AM
#394
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Car: 1987 IROC-Z red t-top
Engine: Nothing much
Transmission: I wish t56
Axle/Gears: 9bolt 3.27 4sale
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.
11-21-2013, 04:51 PM
#396
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Car: 92 Z28
Engine: Boosted LSX
Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread
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.
11-26-2013, 08:09 PM
#397
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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?
11-27-2013, 11:26 AM
#399
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Car: 2012 Impala LTZ
Re: 1987 Supercharged TPI w/ megasquirt/complete repaint build thread
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.
01-05-2014, 08:38 PM
#400
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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.
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; 01-06-2014 at 01:30 PM.