454 4L80 Swap

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4WDKC

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I've been pretty indecisive with all the things I could swap into the truck, I'm now considering ditching the 5.3 and just looking for a good 350 or another 454. I bought the trans first because I knew I was going to be using a 4l80 no matter what.

If you are considering a 454 you could do a 8.1 for about the same price.
 

ChevyRealHeavy

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If you are considering a 454 you could do a 8.1 for about the same price.

8.1 was considered, but too pricey. I think you've seen my other thread and seen what my old 454 looked like. I can't really find any complete LS within my budget besides affordable 350s and 454s on craigslist.
 

ChevyRealHeavy

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Is there any way this thread can be deleted? I feel retarded and I should get off the forum
 

HotRodPC

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Why delete it? What's there to be retarded about? I'm sure others can use this info. What have you decided to do?
 

4WDKC

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8.1 was considered, but too pricey. I think you've seen my other thread and seen what my old 454 looked like. I can't really find any complete LS within my budget besides affordable 350s and 454s on craigslist.

are you going to use fuel injection?
 

Jrgunn5150

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Is there any way this thread can be deleted? I feel retarded and I should get off the forum


No worries dude, nothing wrong with spitballing ideas, that's what we're here for, they can't all be winners lol.
 

ChevyRealHeavy

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I think this will just be considered a transmission swap now. I believe only the 91s came with 4l80s. I picked up this remanned 454 that was in a RV then pulled and cammed by the previous owner. The motor hasn't run with the new cam yet. It has a comp cams XM270H with head work to match the cam.

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Honky Kong jr

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That’s cool.....but them heads aren’t gonna allow that cam to get where it wants to. And be sure to do your break in procedure properly.
 

ChevyRealHeavy

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That’s cool.....but them heads aren’t gonna allow that cam to get where it wants to. And be sure to do your break in procedure properly.

Is it because they're oval port?
 

Honky Kong jr

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Is it because they're oval port?
No peanut port. I’m not busting on your set up. Peanut ports are a good low end stump puller type or head but not for higher rpm that’s all .
 

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Xm270-10 is Chevy B.B. and xm270-12 is 429-460 turd
Well, he posted XM270H so I went to their site and searched that number and that's what came up, I don't use that Comp ****, lol..
 

Honky Kong jr

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Well, he posted XM270H so I went to their site and searched that number and that's what came up, I don't use that Comp ****, lol..
Yes I know ...... I got a smokin deal on my set up so that’s why it’s in there
 

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