List,
Could someone discuss/explain/characterize the "A" type reliability
problems. Can they be overcome by buying a professionally rebuilt unit
-- for example from John Esposito?
Thanks
Don Malling
Todd Bermudez wrote:
>
> Ron,
>
> I think you have some things backwards:)
>
> Either of the o/d trannys are bolt in. No frame mods have to be done. The
> early frames need to be modified to accept the j-type tranny as the frame
> mount is about 2" fwd of the later frame. The a-type allows o/d in 2nd,
> 3rd, & 4th & often it is said to be more robust, but it is getting harder to
> find & less reliable(so i'm told). The j-type allows o/d in 3rd & 4th &
> more reliable(so i'm told). The wiring is similar for both, however the
> a-type required a relay. Reverse is no good for an a-type!
>
> I've managed to put a j-type in my TR250 with the help of a bracket from
> Rimmer, but again you won't need that on the late frame. Everything you'll
> need you should already have with the existing tranny mount. Don't throw
> that stuff away!
>
> Good luck,
>
> Todd
> CD3705L
> http://home.fuse.net/tristatetriumphs
>
> >From: "Ronald A. Dowty" <rdowty@dowtyenterprises.com>
> >Reply-To: "Ronald A. Dowty" <rdowty@dowtyenterprises.com>
> >To: <6pack@autox.team.net>
> >Subject: Which overdrive A or J?
> >Date: Mon, 9 Dec 2002 04:00:16 -0600
> >
> >I am currently working on my 76' TR6 to be finished by Spring if I keep
> >hurrying. The rolling chassis should be done tomorrow and I have all the
> >replacement panels bought if not installed on the body. The engine is
> >also ready. One of the two things I need are an overdrive and AC. I'll
> >ask the AC question later. I'm waiting for a guy named Roger Bollick to
> >finish his article on installing one using Vintage Air parts. As for the
> >overdrive I realize the J type was correct for my car but it was
> >originally a non overdrive car so the frame brakets need to be modified
> >where as the A type is mostly a drop in. The question is which is
> >better. I think the A type works in 3 and 4th gears and the J type only
> >works in 4th where I'd probably use it. I was going to keep watching
> >eBay for a few months and if I could get one reasonably I was going to
> >pick it up. I have a 70 parts car and a working non-overdrive
> >transmission from it as well as the one from the 76. I'm not super
> >worried about having a J because I have a later car. I'm buiding a daily
> >driver and I want it to have the best of both worlds like an early head
> >(actually my later one is just shaved to 9.5:1) and earlier bumpers but
> >with some of the later improvements like the brake pistons (which are
> >usually upgraded on rebuilds).
> >
> >So which is better and why? I've never had an overdrive but the speed
> >limits here are about 20 MPH faster than the last time I drove my baby.
> >I need to be able to cruse at 70 just to drive from one side of town to
> >the other on the bypass.
>
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