TH350 to 700R4 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

big dump · 03-11-2010, 03:33 PM

Thanks for the measurements RestoRod. I'll take a look today and see what I come up with. As far as a pressure gauge, I don't have one. I read on Bowtie Overdrive's site that you need a 0-300psi pressure gauge and a 90° 1/8"NPT fitting to hook up to the transmission for checking. They don't specify any type or brand of gauge, is there a generic one that can be used? I assume just some type of oil pressure gauge correct? I mean, it's measuring fluid pressure, not air pressure. Do you really think it's necessary to use up to 300psi?

03-11-2010, 03:33 PM	#32
big dump Registered User Join Date: Mar 2006 Location: Gilbert, AZ Posts: 179	Re: TH350 to 700R4 Thanks for the measurements RestoRod. I'll take a look today and see what I come up with. As far as a pressure gauge, I don't have one. I read on Bowtie Overdrive's site that you need a 0-300psi pressure gauge and a 90° 1/8"NPT fitting to hook up to the transmission for checking. They don't specify any type or brand of gauge, is there a generic one that can be used? I assume just some type of oil pressure gauge correct? I mean, it's measuring fluid pressure, not air pressure. Do you really think it's necessary to use up to 300psi?



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