86 Monte Carlo 5.3 swap
04-23-2014, 08:04 AM
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86 Monte Carlo 5.3 swap Figured I would put up a build forum. The car is my 86 Monte Carlo. Yes another gbody swap. Motor is an 04 lm7 5.3 with a 01 truck intake manifold. New bearings and gaskets. Going to go 4l60e transmission.
The plan and parts
Fbody exhaust manifolds
4l60e trans
Dbc wiring harness and PCM
Fuel system tbi or Gnx tank
Ep381 pump
Run 3/8 and 5/16 line to intake then Russell adapters.
A few questions for anyone who has done this in a gbody. Will I need to change anything on the wiring to run the 01 intake on a 04 block? Is running stock lines switched to efi line good or should I run the an -6 line to the front? Shorten driveshaft for 4l60e red it's length can vary. Also what are you guys running for gauges? Like the dakota digital analogs but they are pricey. Will post pics once I figure out how to from a iPhone. Thanks in advance.
Matt.
The plan and parts
Fbody exhaust manifolds
4l60e trans
Dbc wiring harness and PCM
Fuel system tbi or Gnx tank
Ep381 pump
Run 3/8 and 5/16 line to intake then Russell adapters.
A few questions for anyone who has done this in a gbody. Will I need to change anything on the wiring to run the 01 intake on a 04 block? Is running stock lines switched to efi line good or should I run the an -6 line to the front? Shorten driveshaft for 4l60e red it's length can vary. Also what are you guys running for gauges? Like the dakota digital analogs but they are pricey. Will post pics once I figure out how to from a iPhone. Thanks in advance.
Matt.
04-23-2014, 08:08 AM
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Also the trans, harness,ECM, fuel system, accessories brackets, and fbody manifolds are still need.
Last edited by Hotrods77; 04-23-2014 at 08:29 AM. Reason: It is consider a wtb and this is a build thread
04-24-2014, 01:08 AM
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A harness builder can sort out any wiring issues you may have, custom harnesses while not cheap are also not prohibitively expensive. I'm swapping a 05 LM7/4L60 into an 81 Cutlass, I'm still getting my mounts sorted out. I'm hope to be able to run a returnless fuel system and put aftermarket gauges in to replace the stock poverty gauges (speed and fuel, nothing else.)
04-26-2014, 11:02 PM
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A harness builder can sort out any wiring issues you may have, custom harnesses while not cheap are also not prohibitively expensive. I'm swapping a 05 LM7/4L60 into an 81 Cutlass, I'm still getting my mounts sorted out. I'm hope to be able to run a returnless fuel system and put aftermarket gauges in to replace the stock poverty gauges (speed and fuel, nothing else.)
