Im about to do 2 3800sc series 2 swaps both into 308 reps. both have the duke/4 speed. 1 3800 engine is in a fiero that was wrecked but worked before so my plan is to remove that engine and wiring and all other acc. to make the swap work. after learning from the first ill do the second. both engines i got are hooked to autos and id like to make them manuals, i was looking for answers using SEARCH so please dont respond with that answer. id like to know what flywheel/clutch can be used. and what mods are needed. i also have another fiero wrecked with a 350/caddy auto in it that later might go into a lambo rep ill have to build. already have that body and donar car and car that it will be put on. any help for the 3800 swaps will be great as i have a good grasp on the v8s. ill post pics of whats all going on asap as it might help.
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11:41 PM
PFF
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Jan 2nd, 2011
joshh44 Member
Posts: 2166 From: Nanaimo, B.C, Canada Registered: Aug 2007
you need the flywheel from a 1996 and up GM F-body (camaro, trans am) with a manual transmission.
I ask every parts store. and every auto wrecker in town where I live and none of them had it. they all told me that they never came with the 3.8. idiots i tell you.
i bought a 3.8 series 2 flywheel from rockauto. you will need to get it machined down for it to fit inside the bellhousing of the transmission.
ok i saw mill it to .840. do i use the maro clutch also? for another question im pulling the engine out of the wrecked car this week i know to grab the engine, trans, mounts, harness for motor/car... but what else would/could be used for these swaps. i just want to know so i can look and get all the parts that might have been swaped.
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08:26 PM
nosrac Member
Posts: 3524 From: Euless, TX, US Registered: Jan 2005
ok i saw mill it to .840. do i use the maro clutch also? for another question im pulling the engine out of the wrecked car this week i know to grab the engine, trans, mounts, harness for motor/car... but what else would/could be used for these swaps. i just want to know so i can look and get all the parts that might have been swaped.
Fuel Pump
ECM
[This message has been edited by nosrac (edited 01-02-2011).]
West Coast Fieros is the only one I know of selling them now. If the 3800 Wiring was running on an auto, some wiring will need changed and a PCM flash to remove the auto trans control.
good point leaning towards keeping the auto and swapping the car to it now saves money and time. these are my first fieros ive done so i want to keep the first simple. swapping the car its self from manual to auto whats involved in this i have 2 manual fieros. and 3 autos. 1 3800sc auto 1 350 chevy/caddy auto and 1 stock fiero auto so i have parts.
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10:34 PM
Mike Gonzalez Member
Posts: 5093 From: Colorado Springs, CO. USA Registered: Jul 2001
To convert an auto to manual, you need the clutch pedal assembly, Master, hydraulic line, Slave, trans, mounts, Shifter, shift cables, and axles. Easier to swap the harness and ECM too otherwise needs some wiring changes.
well the engine is a auto the car is a manual. so my thoughts are to just swap the the car to a auto not the engine i have a ton of spare parts then its just removing the setup from the wrecked fiero to the 308 rep.
ok i changed my mind again back to manual i want to keep my 4 speed, i know to use the maro clutch and get it machined but do i use a fiero clutch and if i do will it bolt up or do i need the flywheel drilled?
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02:27 AM
Mike Gonzalez Member
Posts: 5093 From: Colorado Springs, CO. USA Registered: Jul 2001
I am loosing track of what you're going to do now !!
If you are putting a 3800 in front of the Fiero Manual you will need a Camaro/Firebird 3800 flywheel cut down to .840" thickness and balance to match the 3800's Flexplate. You will want to get a good clutch and pressure plate, A "Fiero" clutch wont hold up, something like a Spec 3, McCleod, or Clutchnet. Search "3800 clutch" to read opinions and options.
[This message has been edited by Mike Gonzalez (edited 01-05-2011).]