MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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littlebritishcar
Rick Anderson

(15 posts)

Registered:
11/11/2011 10:25AM

Main British Car:
What's Needed to Mate a 3.4L V6 Automatic Engine to a V8 T5 Gearbox?
Posted by: littlebritishcar
Date: December 02, 2011 07:32AM

Found a low mileage 3.4 Firebird engine but it comes with an auto transmission. Should I pass or is the conversion to manual easy?


BWA


(344 posts)

Registered:
04/13/2010 08:13PM

Main British Car:
Re: What's Needed to Mate a 3.4L V6 Automatic Engine to a V8 T5 Gearbox?
Posted by: BWA
Date: December 02, 2011 02:53PM

The ideal way of converting this is to get your hands on a flywheel, bell housing, clutch assembly and t5 from a 2.8/3.4 Camaro. The only downside of using the t5 from a 2.8/3.4 Firebird/Camaro is that the first gear is a stump puller (they had to be to move a much heavier car). If you can get your hands on a GM v8 t5 the first gear ratio is better suited for a light car like the MGB.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: What's Needed to Mate a 3.4L V6 Automatic Engine to a V8 T5 Gearbox?
Posted by: BlownMGB-V8
Date: December 02, 2011 03:26PM

Steve DeGroat runs a 700r4, I'm not sure if his block was FWD or RWD but I think they are pretty similar. If it has the small corporate bellhousing it'll bolt right up but the starter may be on the other side.

JB
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Bill Young
Bill Young
Kansas City, MO
(1337 posts)

Registered:
10/23/2007 09:23AM

Main British Car:
'73 MG Midget V6 , '59 MGA I6 2.8 GM, 4.0 Jeep

authors avatar
Re: What's Needed to Mate a 3.4L V6 Automatic Engine to a V8 T5 Gearbox?
Posted by: Bill Young
Date: December 02, 2011 04:07PM

As far as I know all the RWD blocks had the starter mounting holes drilled on the passenger side of the engine. The FWD engins mounted the starter on the other side. Don't know about the automatic transmissions, but some manual Camaro and Firebird bell housings have clearance ears on both sides to accomodate either side starter.


littlebritishcar
Rick Anderson

(15 posts)

Registered:
11/11/2011 10:25AM

Main British Car:
Re: What's Needed to Mate a 3.4L V6 Automatic Engine to a V8 T5 Gearbox?
Posted by: littlebritishcar
Date: December 13, 2011 07:15AM

I am asking about automatic -vs- manual, not FWD -vs- RWD. I have the opportunity to buy a camaro engine which is mated to an auto box.


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