Radiator help

[CJim7]

('84 CJ7) A few years ago when I swapped in my 401, I left the stock 6cyl radiator in to handle cooling. I never ran into a cooling issue that I could see, It ran a bit warm at times but never overheated.
Im rebuilding the block at the moment so I have everything ripped apart. If I need to upgrade my radiator, now would be a good time.

For those that went from a 6cyl to a v8, what did you do for a radiator? Stay with the 6cyl rad? Custom radiator? Radiator from an earlier V8 equiped CJ?

[tufcj]

I'm running an aluminum crossflow in my CJ from Be Cool, pretty expensive.

I'm running a 4 core from Extreme Radiator in my AMX (about 425HP 390) with no problems, and a LOT cheaper.

http://www.extremeradiator.com/store...aspx?sku=583-4

Bob
tufcj

[warhammercustoms]

Ive used a stock radiator for a 304 on my modified 360 CJ
Ive had zero overheating problems as long as I use the stock fan shroud with it.

[Ibby]

When I got my CJ it had a 304 with a 6 cylinder rad. I had heat issues when crawling, so I put in a stock dimension 4 core rad and a high flow pump. Zero overheats, but the heater no longer gets hot either.

[Mudrat]

I stuck a stock 3 row in for the CJ's 360 swap (probably similar to Warhammer) - haven't had a problem yet. If your going with a lot of mods and will be making more heat, a 4-row or the 'Be Kool' (like Bob) would be a good option.
I'm pushing 400+ HP in mine and unless it gets stuffed with mud (and I don't clean it right away), I've been ok.
- 'Rat

[CJim7]

So are the stock 6cyl radiators 2-core?

[tufcj]

Most were 2 core, some were 3. If the CJ had a factory towing package, cooling package, or A/C, it got a 3 core.

The 2 core on mine was plenty for the 304, but couldn't keep the 360 cool when rock crawling. I went for overkill with the aluminum rad. It stays at a steady 180 on all but the hottest days, I've never seen it over 200.

Bob
tufcj

[CJim7]

Thanks for all the info guys. I think Im going to look for a stock radiator for a 304 equiped CJ or even one of those 3 core jobs for the 6cyl...im pretty sure the one i have is a 2 core.

[ironman_gq]

4wd.com has the 3core ones for a pretty decent price. Im running one in my cj with a 304 and have no problems keeping it cool

[80cjinnc]

I had no problems when i swapped out the 304 for the 360 with the stock radiator but now i have a 401 and can not cool it on the street. I am running a alum cross flow but in the summer here in NC on the street it gets hot pretty fast..