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ls1 to ls6

This is a discussion on ls1 to ls6 within the Internal Engine forums, part of the LSx Technical Help Section category; does anybody know all the stuff I need to convert my engine into a ls6?...

  1. #1
    Member 99-SS-Conv's Avatar
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    1999 Camaro SS Conv

    ls1 to ls6

    does anybody know all the stuff I need to convert my engine into a ls6?

  2. #2
    The Bandit Wesman's Avatar
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    SGM
    1998 Trans Am WS6

    The main difference between the LS1 and the LS6 is the intake manifold and heads. So if you put swapped those onto your LS1, you'd have about the same power as an LS6.

  3. #3
    Visualize°Design°Create SSwt00SS's Avatar
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    Quote Originally Posted by Wesman View Post
    The main difference between the LS1 and the LS6 is the intake manifold and heads. So if you put swapped those onto your LS1, you'd have about the same power as an LS6.
    forgot the cam...need the LS6 cam...

  4. #4
    The Bandit Wesman's Avatar
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    1998 Trans Am WS6

    Quote Originally Posted by SSwt00SS View Post
    forgot the cam...need the LS6 cam...
    Ahh yes...the cam, good call

  5. #5
    Pathelogical Liar BlackLT1Z28's Avatar
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    Not worth the work in my opinion. If you're going to do a H/C swap, you might as well go for something bigger.

  6. #6
    Visualize°Design°Create SSwt00SS's Avatar
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    Quote Originally Posted by BlackLT1Z28 View Post
    Not worth the work in my opinion. If you're going to do a H/C swap, you might as well go for something bigger.
    i would have to agree. do your research and seek out the deals, they are out there...

    i am living proof, beefcake, BEEFCAKE!!!
    2000 SS - The Wicked Witch: °°Cammed 'n Slammed°° 458rwhp/410rwtq
    Quote Originally Posted by Bowtie_girl30
    I was hoping to just hump her up the exhaust cause she is so damn sexy....
    "Never argue with an idiot. They drag you down to their level, then beat you with experience."

  7. #7
    Junior Member josh110781's Avatar
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    2000 trans am WS6

    i kepted my ls1 block and just added ls6 heads and intake
    slp lid,maf and smooth bellow. ls6 intake, cnc ported and polished ls6 heads with competition valve job. cam 237,242 .603,.609 113 lsa. pacesetter longtube headers and off road y-pipe. magnaflow catback
    dyno numbers on a mustang dyno
    394 rwhp @ 6300 RPM
    345.7 rwtq @ 4800 RPM

  8. #8
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    2000 FRC

    LS1 Block = LS6 Block

    After 2001 the blocks were the same.

    Besides the heads, cam and MAF (85mm), the other major driveline differences were the trans (wide ratio unit), rear gears were shot peened and the air cleaner and exhaust were less restrictive.

    BlackLT1Z28 and SSwt00SS are right on the money!

    Get a set of heads from TSP for 1K, a mild cam & springs (224/224 or 224/228) and you will pass the base Z06 combo by a lot.

    If you want seat of the pants feeling, try a rear gear change. Going from 3:42's to 4:10's was a marked difference.

    Bob K.

  9. #9
    Rollo Tomassee AKIRA's Avatar
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    Quote Originally Posted by Bob K View Post
    After 2001 the blocks were the same.

    Besides the heads, cam and MAF (85mm), the other major driveline differences were the trans (wide ratio unit), rear gears were shot peened and the air cleaner and exhaust were less restrictive.

    BlackLT1Z28 and SSwt00SS are right on the money!

    Get a set of heads from TSP for 1K, a mild cam & springs (224/224 or 224/228) and you will pass the base Z06 combo by a lot.

    If you want seat of the pants feeling, try a rear gear change. Going from 3:42's to 4:10's was a marked difference.

    Bob K.
    What about gas mileage? LS6 vs. the setup you mentioned. Both tuned.

  10. #10
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    Quote Originally Posted by 99-SS-Conv View Post
    does anybody know all the stuff I need to convert my engine into a ls6?
    I have an ls6 short block with around 20,000 miles. It has arp connecting rod bolts and double roller timing chain, and a 226 234 563 587 114 lsa cam in it for sale. I also have ls1 stage 2 ported heads complete with valve train(comp springs,titaniam retainers,cromolly pushrods). And ls1 computer with wiring harness. Its basically a long block, but if u wanted the shortblock, i will part it out. If your intrested, let me know.

  11. #11
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    2000 FRC

    I get 18-20 mpg around town as long as I keep my foot out of it. Comming home from Carlise last year I got 31.5 mpg on the highway.

    Bob K.

  12. #12
    Member danziger's Avatar
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    2004 Z16

    You could do much better with a heads/cam set-up from one of the vendors...

  13. #13
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    Quote Originally Posted by danziger View Post
    You could do much better with a heads/cam set-up from one of the vendors...
    Was that a reply to my post?

  14. #14
    386HP 373TQ jwindbigler's Avatar
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    Yeah, if you are going to replace the cam, get the one that YOU want. Not just some LS6 cam, which is not going to get you much. As for the heads, just buy LS6 stock heads on ebay. They usually run about 200 bucks. Then do all of the valvetrain work that you want on those heads while they are off, and when you are ready, replace the heads, cam, lifters all at the same time. Then you can get more RPM and a heck of a lot more HP out of it.

  15. #15
    Senior Member Street Lethal's Avatar
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    Quote Originally Posted by BlackLT1Z28 View Post
    Not worth the work in my opinion. If you're going to do a H/C swap, you might as well go for something bigger.
    Agreed....

  16. #16
    O U 8 1 2 Spaz's Avatar
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    1999 trans am

    Quote Originally Posted by Bob K View Post
    I get 18-20 mpg around town as long as I keep my foot out of it. Comming home from Carlise last year I got 31.5 mpg on the highway.

    Bob K.
    ahh... a local boy... i'm in telford area... just below quakertown...

    i Swapped a LS6 in my 99 t/a after i blew up my 4th LS1...

  17. #17
    386HP 373TQ jwindbigler's Avatar
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    Quote Originally Posted by The Real Spaz View Post
    ahh... a local boy... i'm in telford area... just below quakertown...

    i Swapped a LS6 in my 99 t/a after i blew up my 4th LS1...

    I know the feeling. I destroyed my LS1 head when I shattered a pushrod

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