GenVibe - Community for Pontiac Vibe Enthusiasts

Hey guys,I'm getting conflicting reports on what size NPT fittings my tranny cooler should have. I was first told 1/2" but others tell me that's too big. The 1/2" NPT coolers tend to be very big and rarely come with mounting hardware so if one of the other coolers work that'd be a big plus. Thanks!

Check your IM.

Ya, I got you IM, thanks. But another person has said 1/2" fittings. But if you got a cooler with the 3/8" barbs and it worked then that works for me. 3/8" and 1/2" is very close...either way I think you could slide it on.

Quote, originally posted by Petrucci914 » 3/8" and 1/2" is very close...either way I think you could slide it on.Um... what world do you live in where 3/8th of and inch and 1/2 an inch are very close... they aren't close when your talking inside diam. of a hose... that's a full 1/8th of in inch difference. If you stretch the hose that much you will weaken the sides of the hose causing it to split a lot sooner than you think.My 2c... get the right size fitting or hose.

I wouldn't jam a smaller hose over a larger barb. I'd put a 1/8" larger hose over a smaller barb, though, with the right hose clamp. I just ordered one with the 3/8" barb. I think it'll work just fine. Don't worry, I'll do it right. I always play it safe.

Post a pic when you get'er done.

Sorry man,I haven't installed mine yet and another member told me that(I won't name names) it was the 1/2" size.Let me know how it works out.

No problem, man. It worked out better this way as it comes with all the mounting hardware. I'll let all know how it goes.

Which cooler did you get?

http://www.transmissioncoolers...unt=1

Headered style............good choice.