8.1L swap into my 7.4L K2500 Burb

[thz71]

If money wasn't an object I'd build a big cube conventional big block. I'd keep a 454 over an 8.1 anyday.

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[Christian Steffen]

If money wasn't an object I'd build a big cube conventional big block. I'd keep a 454 over an 8.1 anyday.

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Definitely true, way more support.

 

[David Cruz]

I considered the 8.1 swap when my tbi 454 died in my K2500 SAS Suburban, the parts availability just isn't there yet. I also looked at the 6.0 swap but after doing some research on what most 6.0 guys were getting for mpg I ended up going with a HT502 with a carb. I'm mainly looking for torque and I know the 6.0 can be made to make more torque but it's also gonna be working harder than a motor with 2.2L more displacement. I plan on switching to a Holley Sniper or MSD Atomic EFI setup once I recover from financing the HT502 swap...

 

[BowtieBrody]

You could always swap in one of them noisy and smoky inline 6s.


But that's blaspheme in the House of Big Blocks.

 

[90halfton]

Money wasn't an object you could just buy a high country Duramax or whatever dbag edition is cool now

 

[thz71]

Money wasn't an object you could just buy a high country Duramax or whatever dbag edition is cool now

If money was no option a wouldn't even glance at a duramax. Cummins or powerstroke are the only 2 real choices imo.

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[90halfton]

If money was no option a wouldn't even glance at a duramax. Cummins or powerstroke are the only 2 real choices imo.

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I can respect that. They're all exceptional trucks. And insanely expensive lol.

 

[Supercharged111]

I still fail to understand the parts availability thing. What parts did you guys want that you couldn't get? I get it cams are expensive as hell, but what more would one really want?

 

[thz71]

I still fail to understand the parts availability thing. What parts did you guys want that you couldn't get? I get it cams are expensive as hell, but what more would one really want?

You should look into 8.1 aftermarket

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[grampadirt]

I considered the 8.1 swap when my tbi 454 died in my K2500 SAS Suburban, the parts availability just isn't there yet. I also looked at the 6.0 swap but after doing some research on what most 6.0 guys were getting for mpg I ended up going with a HT502 with a carb. I'm mainly looking for torque and I know the 6.0 can be made to make more torque but it's also gonna be working harder than a motor with 2.2L more displacement. I plan on switching to a Holley Sniper or MSD Atomic EFI setup once I recover from financing the HT502 swap...

Think I know the answer but I would guess a tbi cannot supply enough fuel to feed that 502,true?