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Old 06-16-2013, 02:01 PM   #1
Andy4639
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Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
Question Picking everyones Brains...for LS swap

OK,
I have been looking and reading about the LS swaps ever since I got home off the Hot Rod Power Tour last weekend. This seems like a good motor to update with but I haven't seen any real info on the techinacal parts such as fuel lines and gas pedal hook ups.

I have a 87 camera 305 HO TPI motor in the truck now so I have the double fuel lines already. I need to know what to look for in the LS motor.
I think I can get the electric stuff figured out by just buying a harness to plug into it. Also have the older 700-R4 trans, will it bolt up to this motor without any adapters are would it be worth the extra money for the new electronic trans?
How does the gas pedal hook to the motor and what would I need to buy to get it done?
I would like to know the differance between the 4.5 and the 5.7 LS motor is it worth the extra for the 5.7?

Would I be better off rebuilding the 305?
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver
Seeing the USA in a 71


Upstate SC GM Truck Club
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Get out and drive the truck this summer and have some fun!
It sucks not being able to hear!

LWB trucks rule, if you don't think so measure your SWB!
After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.
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