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-   -   Full Size Chevy drivshaft length w TH350 (https://classracer.com/classforum/showthread.php?t=65864)

impstocker 04-12-2017 05:50 AM

Full Size Chevy drivshaft length w TH350
 
In my 65 Impala Stocker, I am going to run a TH350 with the "short" tailshaft. First can I assume this is the most common type of TH350 used? The driveshaft I have is the one I used with a Jerico in my 68 Impala I used to have. I had this one made, a 3.5 inch. I cannot use this driveshaft because it is not long enough with the TH350 I will now be using. I need to get one made about 6" longer.

My question I guess is for anybody who has run a full size Chevy with a TH350 "short" tailshaft is there an issue with running such a long driveshaft ? This is a 396/325 car , highest RPM around 6700
Any info/input would be appreciated.

Will Lamprecht
1965 Impala 396/325 I/SA
'

Jim Kaekel 04-12-2017 08:47 AM

Re: Full Size Chevy drivshaft length w TH350
 
I would talk to Mark Williams. They have a formula and could give you a reputable answer. Obviously, you could shorten it up by converting your trans. over to a 12" long tail housing if needed. All you need is the output and tail housing.

Bob Bender 04-12-2017 08:50 AM

Re: Full Size Chevy drivshaft length w TH350
 
Quote:

Originally Posted by impstocker (Post 531951)
In my 65 Impala Stocker, I am going to run a TH350 with the "short" tailshaft. First can I assume this is the most common type of TH350 used? The driveshaft I have is the one I used with a Jerico in my 68 Impala I used to have. I had this one made, a 3.5 inch. I cannot use this driveshaft because it is not long enough with the TH350 I will now be using. I need to get one made about 6" longer.

My question I guess is for anybody who has run a full size Chevy with a TH350 "short" tailshaft is there an issue with running such a long driveshaft ? This is a 396/325 car , highest RPM around 6700
Any info/input would be appreciated.


Will Lamprecht
1965 Impala 396/325 I/SA









'




I have had no problems with a stock shaft @ 4400 lbs.

Lee Valentine 04-12-2017 04:40 PM

Re: Full Size Chevy drivshaft length w TH350
 
Will,call Bruce P.914-591-7754 in the evening.He had one made for his Biscayne, short tail TH350,780 hp. Big Block. I believe Fleetpride in Danbury made it.

5389stk 04-12-2017 11:58 PM

Re: Full Size Chevy drivshaft length w TH350
 
Will, use 1350 joints and chrome moly trans yoke . Learned this expensive way .Broke trans yoke busted transmission case. Steve


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