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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old Oct 5, 2011 | 04:36 PM
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Default lt1-427
Is it possible to turn my LT1 into a. 427 or will the cylinder walls be to thin to make a lot of power
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Old Oct 5, 2011 | 04:38 PM
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Can't do it.
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Old Oct 5, 2011 | 04:42 PM
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Sure, sell it and buy an LS7 for $14k and voilà! You have a 427.
Last edited by GREGG 97Z; Oct 5, 2011 at 04:54 PM.
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Old Oct 5, 2011 | 04:42 PM
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you can do anything with the right amount of money
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Old Oct 5, 2011 | 04:47 PM
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Originally Posted by tealchevy08
Is it possible to turn my LT1 into a. 427 or will the cylinder walls be to thin to make a lot of power
Way to thin cylinder walls.

396 is the feasible maximum, while up to 410 is "possible".

You would be able to go farther if you sleeve the block, but for some reason I have never seen anyone do that to an LT1...probably only because of the cost. I vaguely remember hearing about a sleeved 427 LT1 years ago, but I may just be going crazy.

By the time you add up all the machining and block work to sleeve all 8 cylinders, then the custom pistons, you will be spending a shitton of money to end up with "just an LT1". At that level of the game an LS build would blow it out the water for less money...now that I mention that, it didn't stop me anyway so wtf am I complaining about .
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Old Oct 5, 2011 | 04:56 PM
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Cause I prefer an iron block over aluminum so I'm better off just buying a lq9 block rite
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Old Oct 5, 2011 | 05:00 PM
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Unlesss I'm crazy, I remember reading about big block lt1? Wanna say one was on here not to long ago, pulled out of a crate, but super rare? If I'm wrong then just assume I'm crazy and might be smoking crack lol
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Old Oct 5, 2011 | 05:06 PM
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I don't mine on how much I will be just want to built one
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Old Oct 5, 2011 | 05:13 PM
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Originally Posted by tealchevy08
I don't mine on how much I will be just want to built one
Probably about $200,000 then, considering you'd be building a one-off motor with a custom block.

Oh..how old are you?
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Old Oct 5, 2011 | 05:15 PM
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Is tat an estimate
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Old Oct 5, 2011 | 05:23 PM
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You remind me of a guy that just had 6 threads locked in here yesterday..........
What are your goals for this car? That would be a better place to start.
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Old Oct 5, 2011 | 05:26 PM
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I wanna built n engine tat pushes out over 1000hp n have it as a daily driver wit a 12bolt or bigger rear end
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Old Oct 5, 2011 | 05:28 PM
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Where's the facepalm smiley?
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Old Oct 5, 2011 | 06:02 PM
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Originally Posted by RamAir95TA
Where's the facepalm smiley?
I've been wondering the same...
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Old Oct 5, 2011 | 06:03 PM
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My response was actually somewhat serious. If you have your sights set on having a 427 why wouldn't you just go crate LS7? They are incredibly well built, extremely strong, state of the art (for a pushrod design) that in stock form would probably outflow and outperform any ltx 427 you could build. Hell you even get a warranty I beleive with the LS7s. God knows how much you would have to spend to build this ltx 427, and unless your Bill Gates son don't tell us money isn't a concern.
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Old Oct 5, 2011 | 06:10 PM
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You will need special hyperconducive pistons and to weld the ring and pinion for that.
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Old Oct 5, 2011 | 06:21 PM
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Originally Posted by Puck
I vaguely remember hearing about a sleeved 427 LT1 years ago, but I may just be going crazy.
Your thinking of Mark Montalvo, he built a 421" LT1 that made over 800rwhp on nitrous. He used to post as VPREATR.
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Old Oct 5, 2011 | 06:45 PM
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:facepalm:
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Old Oct 5, 2011 | 07:18 PM
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Originally Posted by BizZzatch350
Your thinking of Mark Montalvo, he built a 421" LT1 that made over 800rwhp on nitrous. He used to post as VPREATR.
Thanks - had no clue who it was and wasn't even sure if I was remembering correctly .
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Old Oct 5, 2011 | 09:00 PM
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Originally Posted by tealchevy08
I wanna built n engine tat pushes out over 1000hp n have it as a daily driver wit a 12bolt or bigger rear end
I think you are trying to get your post count up so you can sell **** on here.

P.S. Get some grammar skills too.
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