V6Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.
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Snag the 4th Gen EVERYTHING. 3800 engine is OBDII with different components and harnesses than your 3.1. If you're seriously going to swap in a 3.8 out of a 4th Gen car, use everything including the harnesses, computer, transmission, and sensors. Exhaust may also be affected, since the Gen 4 3800 uses 4 oxygen sensors in the exhaust system.
In fact, I'm not sure that you could re-use your old exhaust manifolds or Y-pipe. I'm doubting it will work. You should grab the 4th Gen manifolds, Y-pipe, and catalytic converter. Your 3rd Gen exhaust should bolt on from there.
Emissions will play a factor with the computer. If you don't hook up the 4th Gen EVAP canister, purge solenoid, etc, you're going to end up with trouble codes and it may end up affecting the way that engine runs. OBDII is a huge pain.
Good luck...this swap is probably more amibitious than a V8 swap, if you do it right, thanks to the OBDII stuff....
Umm, guys, the 95 Camaro is NOT OBDII. It's OBD 1.5. It still uses an OBD I ECS with some modifications, namely the OBD II DLC, but it's still OBD I. OBD II went into effect for the 96 model year (Federal mandate).
However, to make the list short, he needs the engine, exhaust, emissions stuff, harness, wiring diagrams (for both cars, especially a C207 and C100 pinout), the 4L60 trans, and at least the fuel pump. However, like was said above, I would nab the plastic fuel tank as well and clean all of the crap out of it. And, while I was getting the trans, I would also opt for the aluminum driveshaft (provided the car has it).
__________________ Dan V.
Project is on hold...
The H1L-2 Raven:
1987 Pontiac Firebird, T-top
Bone Stock Except for the Following:
1991 VIN T engine, harness and ECM. Yes, I have VATS! ('730 harness is out for inspections due to problems, running on stock '302 system for now )
1984 Base Taillights
Overhead console from an 86 Berlinetta
90-92 Z/28 rear deck spoiler with HMSL delete
Eclipse CD-5435 MP3/WMA Headunit, 50Wx4 with iPC-106 iPod controller
Sony 4x6" 120W Front Speakers
Clarion 220W 3-way 6x9 Rear Speakers
Distinct (Crossfire) DVC 12" subs with Distinct 700W amp in prefab 82-92 F-body hatch box, 130+ dB (when working right)
Factory 700R4 replaced with 85 T-5 5-Speed manual trans, .76:1 OD.
Engine: 3.1L LH0 with off-the shelf air intake and a Cherry Bomb 2.25" Muffler.
Okay, you're right about it being OBDI/1.5. I thought I had read "96 Camaro" rather than "95."
Still, ojfox, you're going to require all of the same things that we have mentioned here. You're basically going to be rebuilding a 4th Gen car into a 3rd Gen body.
One more thought....swapping in the 4L60 transmission, will he be able to use the 3rd Gen transmission crossmember and mount, or will he have to go with 4th Gen components? I know that there is a difference between the two in terms of height of the tailshaft above the crossmember. The transmission mount from a 3rd gen will not bolt into a 4th Gen car (at least not on the V6 applications). Been there, tried that on my '98 with a urethane transmission mount. The mount didn't come close to fitting the '98, but it fit just fine on my '84.
And what about the radiator? Does the radiator for the 3.1 cars have the hose connections in the correct positions for the 3.8 engine's hoses?
Last edited by CamaroManBlack; 08-31-2009 at 08:11 AM.
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