Tranny Info Needed - The 1947 - Present Chevrolet & GMC Truck Message Board Network

BamaDave · 06-21-2010, 05:13 AM

I have searched for this and really haven't found what I am looking for. I have a '86 Sierra Classic 2wd. It has a 3 speed auto tranny. I am pretty sure it is the OEM tranny. Is this a "turbo" 350, th350, etc., etc? I just was wondering about changing what I have to a 700r4 would be a good idea or better off staying put with what I have. I am planning on going to a fuel injected motor later. That is a whole beast in itself, but I will ask those questions later. Thanks for any help.

06-21-2010, 05:13 AM	#1
BamaDave Registered User Join Date: May 2010 Location: Shoals, AL Posts: 299	Tranny Info Needed I have searched for this and really haven't found what I am looking for. I have a '86 Sierra Classic 2wd. It has a 3 speed auto tranny. I am pretty sure it is the OEM tranny. Is this a "turbo" 350, th350, etc., etc? I just was wondering about changing what I have to a 700r4 would be a good idea or better off staying put with what I have. I am planning on going to a fuel injected motor later. That is a whole beast in itself, but I will ask those questions later. Thanks for any help.

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