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Old 09-03-2015, 12:24 AM   #1
1971C10Blown
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5.3L swap

hello, I'm doing a lsx swap into my 1970 C10 swb and wondering what all needs to be done?

i got the motor and tranny outta the same truck its a 05 and came with everything from the peddles, engine harness, front accs, and all computers.

i know i need a fuel pump and fuel lines, engine mounts, tranny mount, and not sure what else?

will the stock exhaust manifolds work?

any help on the parts i need or even a parts list would be great.
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2014 Ram 2500 powerwagon
2006 GSXR 600
2012 Arcticcat proclimb 800
1970 C10 SWB 5.3LS turbo and 4L60E


"all throttle no bottle"
"Nitrous is like a hot chick with an STD, you wana hit it but afraid of the consequences"
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Old 09-03-2015, 08:45 AM   #2
Matt Cramer
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Re: 5.3L swap

Quote:
Originally Posted by 1971C10Blown View Post
hello, I'm doing a lsx swap into my 1970 C10 swb and wondering what all needs to be done?

i got the motor and tranny outta the same truck its a 05 and came with everything from the peddles, engine harness, front accs, and all computers.

i know i need a fuel pump and fuel lines, engine mounts, tranny mount, and not sure what else?
The other things that come to mind:

- Wiring
- Radiator hoses (I'd get a new set for the 2005 truck; they fit with a little trimming)
- Setting up the exhaust
- Figure out what you're doing with the A/C; using the stock mount is a pain.

Quote:
will the stock exhaust manifolds work?
Not very well. Trailblazer SS manifolds used to be the most popular option, but they're no longer available new. I used 2010 Camaro manifolds myself.
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1972 Chevy C10 - 4.8 swap, long bed, and maybe one dent free body panel somewhere - SOLD
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Old 09-03-2015, 04:11 PM   #3
1971C10Blown
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Re: 5.3L swap

not using the ac.
how do the lsx swap headers fit in the trucks?
do the oil pans fit in the truck?
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Jared

2014 Ram 2500 powerwagon
2006 GSXR 600
2012 Arcticcat proclimb 800
1970 C10 SWB 5.3LS turbo and 4L60E


"all throttle no bottle"
"Nitrous is like a hot chick with an STD, you wana hit it but afraid of the consequences"
"its not turbo lag, its for play"
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Old 09-03-2015, 05:22 PM   #4
Matt Cramer
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Re: 5.3L swap

Didn't use a set of headers myself, but the stock oil pan fit OK, not ideal, but OK. It does hang down a little below the K-member, but clears everything. Four wheel drive trucks appear to be a different story.
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1972 Chevy C10 - 4.8 swap, long bed, and maybe one dent free body panel somewhere - SOLD
4.8 LS build thread
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Old 09-03-2015, 05:44 PM   #5
1971C10Blown
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Re: 5.3L swap

what wiring has to be changed for the truck? i have brand new painless kit for the truck and the full harness for engine and tranny.
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Jared

2014 Ram 2500 powerwagon
2006 GSXR 600
2012 Arcticcat proclimb 800
1970 C10 SWB 5.3LS turbo and 4L60E


"all throttle no bottle"
"Nitrous is like a hot chick with an STD, you wana hit it but afraid of the consequences"
"its not turbo lag, its for play"
1971C10Blown is offline   Reply With Quote
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