CraigBZ

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That's basically what I did for the bottom. Looks like we came up with the same numbers. I was thinking for the top I might be able to use upper mounts from a 67-72 Chevy truck. It would drop the radiator slightly, which I'm thinking I could compensate for by making the lower one a little deeper.

Dude, it looks like you probably already spent more time and money on the mock up than you will on the real exhaust! If you're not a plumber, at least Home Depot will let you return all the elbows.

JTR chapter 12 on cooling gives the radiator dimensions, but not the brackets. I haven't tried asking JTR yet, but I don't think they made them themselves. It sounds like they were buying them from someone else. The bottom one seems easy enough to make; the top one seems tougher because of the 'wings' that come down to attach to the original holes. I might try some old Chevy truck top brackets if I can find them locally, then make the bottom bracket as deep as it needs to be.

Can anyone tell me the dimensions of the JTR radiator brackets? I bought a radiator from them for my LS1 conversion, but they don't sell the brackets anymore, so I need to get a set made up. Thanks!

Hi, i know this is an old topic, but my LS1 is from a 2004 GTO, and the larger alternator is slammed right up against the mount. I like the Kwik Performance alternator bracket, but I have the JCI A/C kit. Doesn't look like they will work together. Any suggestions?

Hi Scott, Please send me a copy. My email is bialycr@yahoo.com. Thanks!