ls7 in and 05 gto?
04-13-2008, 12:05 PM
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I"m not doing it one of my buddies wanted to know what all was involed in it....i figured you have to change drive shafts...motor mounts and what not
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04-21-2008, 09:45 PM
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Yes it can be done. It has been done a few times. The dry sump route involves alittle more fabrication to mount the tank and modifing a LSx/GTO pan to work with the LS7 scavange pump. Also you'll have to do some work to the electrical system for the engine harness computer and cranktrigger and such. Look over at LS1GTO forum some cats overthere have done it. Also check out youtube or streetfire and type in ls7 gto to see one of these things run. But I'm gonna have to agree with the rest of the folks here about the cheaper route to get big gains. Unless someone wants the wow 427 factor and the money. There is alot of potential that can be had with the stock motor.
04-21-2008, 10:26 PM
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I'm surprised by that response. A guy on ls1gto was planning such a swap before he died in Iraq. His wife went through with it in his honor. The shop doing the build ran a step by step build thread, and it seemed that there were a TON of little issues that had to be addresssed. Or maybe your "not difficult" meter is calibrated a lot differently than mine.
04-22-2008, 09:33 AM
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In an old old (06 I beleive) GM High Tech Performance there's an article where a LS7 was put in an 04 GTO. There was a write up and such of what had to be changed etc. in order to work.
In my opinion I would go ahead and do a 402, 408 or 416.
In my opinion I would go ahead and do a 402, 408 or 416.
04-22-2008, 08:09 PM
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Ummm no.
If you put a 4.00" crank in an LS2, it is a 402 since it also has a 4.00" bore. If you put a 4.00" crank in an LS1, it is closer to a 383 since it has a 3.9" bore. Before the LS2 block was widely available 408s became common because of the 4.00" bore iron 6.0 LQ9 block. They were usualy bored .030" over and had 4.00" cranks installed, thus 408 CID.
04-22-2008, 08:13 PM
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04-22-2008, 08:23 PM
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Ummm no.
If you put a 4.00" crank in an LS2, it is a 402 since it also has a 4.00" bore. If you put a 4.00" crank in an LS1, it is closer to a 383 since it has a 3.9" bore. Before the LS2 block was widely available 408s became common because of the 4.00" bore iron 6.0 LQ9 block. They were usualy bored .030" over and had 4.00" cranks installed, thus 408 CID.
If you put a 4.00" crank in an LS2, it is a 402 since it also has a 4.00" bore. If you put a 4.00" crank in an LS1, it is closer to a 383 since it has a 3.9" bore. Before the LS2 block was widely available 408s became common because of the 4.00" bore iron 6.0 LQ9 block. They were usualy bored .030" over and had 4.00" cranks installed, thus 408 CID.
