V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Could my stock tranny handle a 3.8L or a 4.3L?

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Old 08-29-2001, 04:55 PM
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Could my stock tranny handle a 3.8L or a 4.3L?

Could it? Would it bolt right up? Thanks in advance.

------------------
1988 Camaro RS
2.8L five speed
Gutted airbox
accel cap and rotor, crane cams 8.5mm wire
TB bypass
stop laughing you gotta start somewhere.
http://www.angelfire.com/retro/briansnaughtylittlepage/
Old 08-29-2001, 05:50 PM
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Yes, it could.

No, it won't.

Your welcome.
Old 08-29-2001, 05:59 PM
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LOL at 87rs402

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1989 Firebird. Modded.
700r4-->t5 w/ram clutch
Cold air, 1.6 rockers, 21lb injectors, 3" y-pipe, random tech cat, 3" ipipe, flowmaster 80 series 3" in 3" out hand made stainless tips, Lakewood LCA's, Msd 6a, Msd coil, Wonder Bar, 180* stat,
Coming Soon: T/a hood, Painted,Spohn Panhard Bar, 4thgen Front Seats, Cam!, Msd 8.5 wires, Posi (ACCEL IS CRAP)
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See my car Here!
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Old 08-29-2001, 08:22 PM
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well as it was put before yes the 3.1 700r4 could take it but that does you no good because the 3.8/4.3 is a 90 degree block and not a 60 like the one you have. So no it won't bolt up.
Old 08-29-2001, 10:35 PM
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WHICH ONE OF US TOLD YOU IT WOULD!!!

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Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA
Old 08-29-2001, 10:51 PM
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<font face="Verdana, Arial" size="2">Originally posted by KED85:
WHICH ONE OF US TOLD YOU IT WOULD!!!

</font>
just giving actual reasoning not yes/no
Old 08-30-2001, 05:47 AM
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Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
Personally, it holding up is questionable in my mind, but everyone's right on the more important note. The 60 degree transmission simply won't bolt up to the 90 degree block. Just like doing a v6-v8 swap. All 3.8s/4.3s are are 305s and 350s minus 2 cyls.

------------------
'86 Camaro SC, black /w silver racing stripes
2.8l MPFI/700r4 /w special 2nd gear delete option
In search of new v8 engine & transmission, now contemplating t5 swap to get me out of this mess.
Misc Mods: Cut air box, '83 Firebird spoiler.
Performance Parts: MSD coil, Accel 8mm wires, SplitFire plugs, Gabriel hijackers.
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Old 08-30-2001, 07:20 AM
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You guys really need to read about the car first. It is a 2.8, correct. 60* block. But l'll bet that five speed in his sig is a MANUAL, not a five speed AUTOMATIC.

Now we are talking manual tranny for a 60* to a 90* manual. Those are doable. You need a new bellhousing, and maybe some other misc parts (I always had an auto, darn the luck) but it is doable.

Clayton
Old 08-30-2001, 09:55 AM
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Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Hehe, good reading, Clayton; I missed that one myself. Guys have even put the V6 5-speed behind V8's, but even they have said "baby it or it'll break". If the trans can hold a V8 I'd think it would hold the 3.8 V6.



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-Tom P (Hot rodded 1986 Firebird 2.8l)
Old 08-30-2001, 11:58 AM
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My reply was a J/K as many of us are aware of the 60* factor in Auto selection.
NOW, I missed the "stick" issue, too!

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Chat Soon,
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Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA
Old 08-30-2001, 06:39 PM
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I wasn't kidding. He asked if it would "bolt right up?" Uh.. No it won't. You have to change stuff, BTW, the V-6 T-5 has a longer input shaft, if your clutch hangs up you'll know why. Could it handle a 3.8 or a 4.3? Yes, in theory it could, isn't that what I said? He also said TIA, I was polite and said Y/W.

Picky, picky, picky....
Old 08-31-2001, 12:08 AM
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Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
Whoops.. missed the 5 speed thing too. My bad. It'll bolt up with some modification. There's talk of the 60 degree t5's clutch being a little small for some applications, but a 3.8/4.3 shouldn't pose a problem.

------------------
'86 Camaro SC, black /w silver racing stripes
2.8l MPFI/700r4 /w special 2nd gear delete option
In search of new v8 engine & transmission, now contemplating t5 swap to get me out of this mess.
Misc Mods: Cut air box, '83 Firebird spoiler.
Performance Parts: MSD coil, Accel 8mm wires, SplitFire plugs, Gabriel hijackers.
Audio Mods: Pioneer DEH-P3000, two 12" Optimus Pro Audio subs in hand-made enclosure each powered by a 260 watt Optimus amp. Working on shaving the box for weight.
My Homepage, with pics.
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