Drag Racing Discussions > Front Engine Dragsters

Powerglide to 8-3/4.. How?

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1Bad67:
I am building a low power (4 cylinder Pontiac, under 300HP) FED. I want to use a shorty powerglide, along with an 8-3/4 rearend. I have most of the rest of the car figured out. I just need help on the Powerglide shorty conversion, and the coupler for the rearend. 

Anyone with dimensions to help me locate the motorplate in front of the rearend?

Where to buy the coupler?

What is the Length of the shorty output shaft? I would like to shorten, and respline the stock output shaft.

denverflatheader:
1Bad67 - is that the 1960s 194.5ci tempest four or the later 1980s 4 cyl like 151ci, or another?  Mark Williams Enterprises has various assortment of couplers, they have website located north of Denver.  Strange Engineering makes couplers too, they also have website.  DF

tylercrawford:
I bought both the 2-piece output shaft and rear coupler from strange . . .

I highly recommend the 2-piece.  Fitment is great and you can pull it out with the trans and rear in place.

1Bad67:
denverflatheader - it is an old tempest four. It'll get a ram air head, and built up like a mid 60's jr fueler. I want something I can lean on, but still be slow enough to stay out of SFI specs (and costs).

I'll check the Strange Engineering catalog.

Anyone have any dimensions though?

Thanks.

Dolmetsch:
Chevy joint fits the 8 3/4 yoke as is. I think the number is 315 G but I could be wrong so double check it.
If it is the big yoke on the 8 3/4 then there are adapter joints (Like the ones to adapt a 400Turbo  yoke to a chevy yoke. ) Also A greek coupler which can be bought or made up from TCS chain /sprocket selection is another alternatice. I only run one joint in mine and after 7 years am more then satisfied wih its perfomance. If running the smaller joint but worried about strength there is a joint either Mroso or Comp Engineering that is solid , no grease holes that takes it up a couple of notches in strength although a normal decent stock joint should be able to handle 300 hp in a rail. I also run that joint in my max wedge clone since it had a 318 originally and the small 8 3/4 yoke. I have serviced it twice in 13 years. Not bad since I ABUSE it unmercifully everytime I drive it.
Don

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