swapping 700r4 to th350 in a k5 blazer - The 1947 - Present Chevrolet & GMC Truck Message Board Network

roughedup72 · 04-11-2007, 12:12 PM

as the title says. Thats the plan, the vehicle is a 86 blazer4x4 k5 with a 700r4 and the owner ( who I hope is joining the site soon) is wanting to put a th350 in its place. we are thinking about puting the 700 in my 72 and taking the 350th out of mine and putting it into the blazer. Whats needed to do this swap and is it possible? I know the 700r4 will go into my 72 but not sure about the th350 into the blazer. The blazer owner wants to use the th350 because he dont need the overdrive tranny.

Orange · 04-11-2007, 01:12 PM

Shouldn't be any problem.
All you'd need would be a possibly a TH350 kickdown cable, and a longer driveshaft.

Other than those two items, you should be able just to bolt it right up. Throttle cable should be plenty long enough. I say possibly a kickdown cable, because you might be able to use the one of your truck on the blazer - but I'm guessing it is going to be a different length.

DLB

04-11-2007, 12:12 PM	#1
roughedup72 Senior Member Join Date: Oct 2005 Location: south carolina Posts: 658	swapping 700r4 to th350 in a k5 blazer as the title says. Thats the plan, the vehicle is a 86 blazer4x4 k5 with a 700r4 and the owner ( who I hope is joining the site soon) is wanting to put a th350 in its place. we are thinking about puting the 700 in my 72 and taking the 350th out of mine and putting it into the blazer. Whats needed to do this swap and is it possible? I know the 700r4 will go into my 72 but not sure about the th350 into the blazer. The blazer owner wants to use the th350 because he dont need the overdrive tranny. __________________ 1972 chevy cheyenne 10,nothing special at the moment,Its a work in progress, Working on the engine, paint and body,engine, paint and body,now its the suspenion, ahh hell I'm about tired of working on it. Maybe it will be a rat rod.

04-11-2007, 01:12 PM	#2
Orange Licensed to Thrill! Join Date: Apr 2006 Location: Northwest, GA Posts: 1,673	Re: swapping 700r4 to th350 in a k5 blazer Shouldn't be any problem. All you'd need would be a possibly a TH350 kickdown cable, and a longer driveshaft. Other than those two items, you should be able just to bolt it right up. Throttle cable should be plenty long enough. I say possibly a kickdown cable, because you might be able to use the one of your truck on the blazer - but I'm guessing it is going to be a different length. DLB __________________ 1971 GMC.Lowered. Overdrive. Orange. Krue's excellent FAQ Index.

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