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.

1st in the country???? (56k beware... LS1 swap pics)

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Old Jun 18, 2005 | 11:16 AM
  #1  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
1st in the country???? (56k beware... LS1 swap pics)


Centerforce dual friction



Hurst Billet Plus with the old school chrome stick/white ball.


All hooked together, ready to go in! (I've waited forever for this!)


'Nuff said.... got them this morning. I think I'm the 1st in the country so far!


Nice, aren't they? The qualilty of these is absolutely amazing! VERY nice!!


Pretty cool little emblem on them too... I can't thank Bruce Hawkins enough.... especially at the rough time they're having right now dealing with a loss to their "family"


Ready to go!


Just a close up.


True long tubes... I can't wait to get my electric cutouts rigged up on the end of these!!


*Well guys, it's been a long road but I'm finally getting there. All I need is my wiring now and I'm about ready to fire it up. Due to Neil's death at Hawk's 3rd gens, I'll be doing the wiring myself or possible having Speartech do it now. I spoke with Bruce for a long time the other day at work and he is such a class act... I don't know what else to say. I'm finishing my project in honor of Neil now... he was such a great help over the phone....


That's all for now, hope to have it in the car by tonight!
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Old Jun 18, 2005 | 03:33 PM
  #2  
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
I think someone beat you by a day or so

https://www.thirdgen.org/techbb2/sho...hreadid=304585
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Old Jun 18, 2005 | 03:36 PM
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Plus that shifter **** looks familiar. Good thing I have a new console coming also to replace the one in the car now also.
Attached Thumbnails 1st in the country???? (56k beware... LS1 swap pics)-shifter1.jpg  
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Old Jun 18, 2005 | 08:53 PM
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looks great

i really like the headers, if they had a 3" collector i would of bought a set in a heartbeat.

anything major done to it?
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Old Jun 18, 2005 | 11:38 PM
  #5  
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From: Fontana, ca & saint clair shores, MI
Car: 1991 camaro Z28
Engine: LS1
Transmission: T56
i got my headers friday, installed them today, they fit great. Just had to dimple one of the tubes to clear the stearing shaft becuase it was rubbing but i had to do the same on my slp shortys i had on my 305. Going to try to get the y-pipe in there tomorrow, and finish up with the misc. stuff i have to do, so i can get this beast started.

Justin
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Old Jun 19, 2005 | 10:43 PM
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
Originally posted by pskel350
looks great

i really like the headers, if they had a 3" collector i would of bought a set in a heartbeat.

anything major done to it?
Ummmm, yeah... pretty much everything but a rotating assembly. ARP rod bolts, ported LS6 oil pump, double roller timing chain, Thunder Racing cam , hardened pushrods, comp 918 springs, titanium retainers, ported/polished heads, LS6 intake, ported/polished TB and MAF, centerforce clutch, Hurst shifter, LS1 aluminum driveshaft, moser 9" with 4.11's, 315 drag radials on the rear, LS1 brakes all around, LS1 master cylinder, wilwood proportioning valve, Hurst Linelock, PST frontend kit, KYB shocks/struts, Jamex STB, and probably some other small stuff I can't think of. I've got to do my custom y-pipe with dual electric cutouts, then a stock 4th gen WS6 catback, and also finish fabbing up my custom 4" CAI. That's it for now, I gotta run. I'll post pics of it in the car here in a minute.

-Jeremy
*Thanks for all the compliments!
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Old Jun 19, 2005 | 10:59 PM
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's

Looks right at home


I'm going to have to re-route the brake lines behind the steering shaft or bend them some more for clearance.


Clean??


This is my custom 4" cold air kit I'm working on. These were two 90* 4" pieces off a semi where I used to work... where my dad works now. I kept them to fab up my own 4" catback but its gonna work just right for my CAI. I'll have to cut it where that black mark is, weld on a piece straight over to the MAF, then a 90* into the TB. This pipe will also go through the area where the charcoal canister used to be... placing huge K&N cone filter under the car. Plenty of cold air and free flowing as hell!


Overhead shot... I like the little bird plate I had made.

Last edited by GTA91; Jun 19, 2005 at 11:02 PM.
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Old Jun 19, 2005 | 11:00 PM
  #8  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's

Custom dual exhaust T56 x-member from "Drew" on TG.O... this will work out nicely!


Another shot of it.


Better side view.


And another...


Good shot showing it off.


*All I have for now... just tell me when you guys want me to quit posting pics. Whatcha guys think? Its still a long way off from running... but its getting there. I can't wait... getting kinda nervous though.


later- Jeremy
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Old Jun 20, 2005 | 01:00 AM
  #9  
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if i could find a cheap ls1 t56 combo i would do it.

thats so badass!!! nice work.

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Old Jun 20, 2005 | 07:50 PM
  #10  
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
Verry NIce. I know Al from stainless. they do top notch work.
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Old Jun 20, 2005 | 08:35 PM
  #11  
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Car: 1992 Rs
Engine: LS1
Transmission: 4L60E
They look great can't wait to get mine do you have the stock K-member!
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Old Jun 20, 2005 | 08:37 PM
  #12  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
Yes, stock kmember notched for the AC compressor.
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Old Jun 20, 2005 | 10:09 PM
  #13  
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From: SW Michigan
very nice
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Old Jun 21, 2005 | 03:13 AM
  #14  
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From: Southern Illinois
Car: '89 rs convertible
Engine: ls1
Transmission: T56
Axle/Gears: 3.73 posi
Aha! I am the first in the country! LOL!
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Old Jun 21, 2005 | 12:07 PM
  #15  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
Originally posted by badjuju342
Aha! I am the first in the country! LOL!
Yep, you beat me! haha
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Old Jun 21, 2005 | 01:11 PM
  #16  
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From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
nice pics...

and thanks for that info on the crossmember a couple months back... i have one on my LS1 swap too...
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Old Jun 21, 2005 | 05:28 PM
  #17  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
No problem man, thanks. Help me with the wiring....
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Old Jul 3, 2005 | 08:14 PM
  #18  
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Car: 1992 Rs
Engine: LS1
Transmission: 4L60E
hey were did you get that tranny mount and motor mounts
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Old Jul 4, 2005 | 08:52 AM
  #19  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
Originally posted by fattdaddy
hey were did you get that tranny mount and motor mounts
Me??

Tranny mount- Energy Suspension Poly mount (modified by me to fit in this crossmember

Tranny Crossmember (dual hump dual exhaust)- From "Drew" on here... PM him for one, very nice! Helps with ground clearance alot.

Motor mounts- engine side, stock LS1's. K-member side, fbody motorsports or Hawk's 3rd gens.


*Hope this helps, later!
-Jeremy
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Old Jul 4, 2005 | 02:07 PM
  #20  
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Car: 1992 Rs
Engine: LS1
Transmission: 4L60E
Originally posted by GTA91
Me??

Tranny mount- Energy Suspension Poly mount (modified by me to fit in this crossmember

Tranny Crossmember (dual hump dual exhaust)- From "Drew" on here... PM him for one, very nice! Helps with ground clearance alot.

Motor mounts- engine side, stock LS1's. K-member side, fbody motorsports or Hawk's 3rd gens.


*Hope this helps, later!
-Jeremy
I GOT A PM FROM DREW THAT SAID THIS!
[Re: LS1 tranny cross member and motor mounts
Not me, tell whoever refered you to me to stop giving out my name in reference to aftermarket crossmembers. If you do a search the guy is easy to find and I'm not him. I'm really getting tired of replying to these messages, so tell anyone who says I'm making these damn things to get their information correct.

Drew]
SO LET EVERYONE KNOW THAT THIS IS NOT THE GUY AND IF IT IS THAN HE DOESN'T ANT TO MAKE TRANNY CROSSMEMBERS ANYMORE!

Last edited by fattdaddy; Jul 4, 2005 at 02:14 PM.
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Old Jul 4, 2005 | 02:22 PM
  #21  
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Car: 1992 Rs
Engine: LS1
Transmission: 4L60E
It looks like his user name is drews so I'll try him!
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Old Jul 4, 2005 | 02:35 PM
  #22  
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From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
yea.. its drews, not drew.
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Old Jul 4, 2005 | 06:19 PM
  #23  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
Sorry Drew... it is Drews.
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Old Jul 4, 2005 | 09:52 PM
  #24  
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From: p'cola FL
Car: 88 iroc-z/28
Engine: 408 lsx
Transmission: 5800 stall
Axle/Gears: 4.71
Originally posted by pskel350
looks great

i really like the headers, if they had a 3" collector i would of bought a set in a heartbeat.

anything major done to it?
a smaller collector can sometimes build more torque, without sacrficing HP.
i couldnt bare spending the money on those headers. bought a set of manifolds for 70 bucks, and im really happy with them.

looks like a great setup. lets see some #'s from it when you get her going.
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Old Jul 5, 2005 | 07:11 AM
  #25  
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From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
Originally posted by stage20
a smaller collector can sometimes build more torque, without sacrficing HP.
i couldnt bare spending the money on those headers. bought a set of manifolds for 70 bucks, and im really happy with them.

looks like a great setup. lets see some #'s from it when you get her going.
yea... a smaller MERGE collector.... if you're using a standard collector, a bigger one is better...


in this case, 2.5" is used only because of ground clearance issues.
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Old Jul 5, 2005 | 10:51 AM
  #26  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
Yeah, I'm still tempted to have these cutoff at the exhaust shop and have some 3" ones welded on. I really don't want any big restrictions in my exhaust. 3" collectors wouldn't have hurt our ground clearance that much with these SW LT's IMHO. Oh well, they're still very nice!
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Old Jul 5, 2005 | 03:18 PM
  #27  
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i dont think im losing any tq from having the 3" collectors.
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Old Jul 5, 2005 | 07:44 PM
  #28  
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From: p'cola FL
Car: 88 iroc-z/28
Engine: 408 lsx
Transmission: 5800 stall
Axle/Gears: 4.71
Originally posted by MrDude_1
yea... a smaller MERGE collector.... if you're using a standard collector, a bigger one is better...


in this case, 2.5" is used only because of ground clearance issues.
yip, but i still dont see 2.5 being that much of a restriction.
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Old Jul 5, 2005 | 07:46 PM
  #29  
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From: p'cola FL
Car: 88 iroc-z/28
Engine: 408 lsx
Transmission: 5800 stall
Axle/Gears: 4.71
Originally posted by GTA91
Yeah, I'm still tempted to have these cutoff at the exhaust shop and have some 3" ones welded on. I really don't want any big restrictions in my exhaust. 3" collectors wouldn't have hurt our ground clearance that much with these SW LT's IMHO. Oh well, they're still very nice!
it would be nice to see dyno results of each setup, but there are too many variables.
camshaft and cylinder heads would play a big part on what makes power where.
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Old Jul 6, 2005 | 06:33 PM
  #30  
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
Well, I believe that the 4th gen MAC mid length headers are only 2.5" collectors and cars run in the 10's with those. 2.5" collectors can't be hurting it too much... I'm sure 3" would help a little though, how much I don't know.
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