LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

ls1/4l60e 86 Iroc dyno results

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Old Nov 7, 2009 | 06:56 PM
  #1  
irocbrninrubber's Avatar
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ls1/4l60e 86 Iroc dyno results

I have been a member for a while, but havent really posted much of my progress. I swapped an 02 Ls1 with a 4l60e into my 86 Iroc. I also swapped the interior. I couldnt have dont it without the guidance I got from alot of writeups (especially TPI TERROR & ghettocruiser).

Well here is its first start
http://www.youtube.com/watch?v=CI9yk-COLHw
http://www.youtube.com/watch?v=0HcFz...eature=related

Last edited by irocbrninrubber; Nov 23, 2009 at 06:05 PM.
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Old Nov 7, 2009 | 07:12 PM
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SiCkRs's Avatar
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From: Norwalk, CA
Car: 91Z28
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Re: ls1/4l60e 86 Iroc

Have you got it running on the streets yet or no your car looks awsome and has the power to back up the looks too not like mine only looks but no go lol.
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Old Nov 7, 2009 | 09:20 PM
  #3  
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Re: ls1/4l60e 86 Iroc

thanks, and today was the first day I took it out. I still have to get it tuned, but it does feel good! Ill try to get some more recent vids.
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Old Nov 7, 2009 | 10:23 PM
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From: Norwalk, CA
Car: 91Z28
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Re: ls1/4l60e 86 Iroc

ok post them up once you get some
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Old Nov 8, 2009 | 01:39 AM
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From: houston
Car: 89 formula 350
Engine: 402 CI ls2 with tvs1900
Transmission: t56
Re: ls1/4l60e 86 Iroc

looks nasty!! try some edlebrock coil covers. they will clean things up a bit....
Attached Thumbnails ls1/4l60e 86 Iroc dyno results-cimg9533.jpg  
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Old Nov 8, 2009 | 04:23 AM
  #6  
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From: Richlands N.C.
Car: '92 RS
Engine: 350 carb'd
Transmission: T-5
Axle/Gears: 4.10
Re: ls1/4l60e 86 Iroc

Car looked great whenI saw it! How did the exhaust come out?
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Old Nov 8, 2009 | 09:51 AM
  #7  
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From: 39.84N 105.11W
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
Re: ls1/4l60e 86 Iroc

Y'know, a lot of people access this site from work - and a lot of companies will block youtube & similar sites. If you were to add pics, then those people could see it as well.
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Old Nov 9, 2009 | 11:11 AM
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Re: ls1/4l60e 86 Iroc

Nice.....no built thread no questions and you got it done.....wow. congrats on that

from what I could see on the the video, u used hawks SSW LT headers. You could possibly be the 1st guys with a LS1/4L60e/Hawks SSW combo out there.

I would like to get details on that

what X-member did you use ?

any clearence issues you noticed ?

Pictures would be great.

how are you planning on running the rest of your exhaust?
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Old Nov 9, 2009 | 01:02 PM
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From: Pepperell, MA
Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: ls1/4l60e 86 Iroc

Always happy to hear there's another 3rd gen joining the LSx ranks. Congrats on getting it running.

Now if only I could get things going on my own swap....
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Old Nov 9, 2009 | 04:32 PM
  #10  
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Re: ls1/4l60e 86 Iroc

Thanks guys, and eventhough I didn't have a thread of my own, I was n here alotreading up on others swaps. And as for the headers, the o2 on the pass header had to be moved back, because it would hit the trans. And the spohn x member sucked for clearance so I modified my stock t5 x member and made my own y pipe. I'll take some pics tommorow and post them up.
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Old Nov 9, 2009 | 05:47 PM
  #11  
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From: Baldwin Park
Re: ls1/4l60e 86 Iroc

Post up your dyno numbers and track times when you get it tuned. Good choice on the cam too!

What was your previous combo?
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Old Nov 11, 2009 | 06:35 PM
  #12  
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Re: ls1/4l60e 86 Iroc

I should be getting it tuned next friday, if everything goes well Ill post up the numbers. Anyone feel like estimating what its put down?

LS6 block
LS6 intake
hawks LT headers
Dual 3" pipe into a single 3 1/2"
vrx4 cam
underdrive pulley
4l60e w/yank ss3600
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Old Nov 11, 2009 | 06:37 PM
  #13  
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Re: ls1/4l60e 86 Iroc

Name:  CIMG3634.jpg
Views: 92
Size:  114.9 KB

It gives me about 3.375" of clearance.
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Old Nov 11, 2009 | 06:45 PM
  #14  
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Re: ls1/4l60e 86 Iroc

Name:  CIMG3623.jpg
Views: 98
Size:  164.0 KB

this is what was in it before:

Name:  IMG_0146.jpg
Views: 114
Size:  124.9 KB

here it is running before the ls1 swap, 350 .030 over
http://www.youtube.com/user/mite53#p/a/u/2/Ayr0FR0q_Pc
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Old Nov 11, 2009 | 08:50 PM
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From: Norwalk, CA
Car: 91Z28
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Re: ls1/4l60e 86 Iroc

Does it scrape with that clearance that you have or it doesn't
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Old Nov 20, 2009 | 08:49 PM
  #16  
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Re: ls1/4l60e 86 Iroc

So far it hasnt scraped driving it around town.
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Old Nov 20, 2009 | 08:53 PM
  #17  
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Re: ls1/4l60e 86 Iroc

I finally got the car tuned today. It was tuned by Ryan Performance Machines (RPM) in Garner, NC. It made 378rwhp and 384rwtq uncorrected and 367rwhp and 375rwtq corrected. I am happy with the results, since its a cam only stalled auto. Well here is a video of today.

http://www.youtube.com/watch?v=00zNXcn8BFA
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