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What Radiator - V8

General Tech Talk

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What Radiator - V8

Post by g35me »

After replacing the 6 with a V8 in an 80 series I am having difficulty keeping it cool when sand driving. Its fine around town and with general 4 wheeling but hates sand.

What would be an adequate replacement for the original radiator. I have seen these ones on ebay but am unsure of if it will be any better what do I need to look for?

http://cgi.ebay.com.au/WOW-New-Chevy-GM ... dZViewItem
Twin Turbo V8 80 Series Ute with Extra Bits
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Post by want33s »

Measure an XA - XE 351 crossflow 3 core radiator.. I'm pretty sure it will fit and will definately keep it cool (with a shroud).
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Post by g35me »

The old ford triple core hey....its running twin thermos, I wonder if that is a problem as well.
Twin Turbo V8 80 Series Ute with Extra Bits
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Post by ozrunner »

brian haines wrote:...its running twin thermos, I wonder if that is a problem as well.
You hit the nail on the head.

The stock 80 rad with a proper viscous fan and shroud will be more than enough and having an 80 you should have room to spare to do it perfectly.
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Post by bru21 »

fixed fan is the go, you simply can't get 5hp of air movement with a thermo. I used a fixed fan and no shroud with a 45 series radiator in my bundy with a 350 and it never got hot.

used a vx commodore radiator - cheap as $330 from holden new with a gen 3 never had heating issues - using vx thermo fans.

older v8's need better cooling as the coolant path in not as good
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Post by want33s »

brian haines wrote:The old ford triple core hey....its running twin thermos, I wonder if that is a problem as well.
Definately get rid of those thermos. An engine driven fan and a good shroud is ALWAYS better than thermos as it sucks through the WHOLE radiator.
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