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Old 03-16-2003, 12:24 PM
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Post Cooling system

Can anyone give advice on a cooling system for my setup?(clutch or electric fan, thermostat, ect.) And witch brands.
Engine- 400 bored .030 over, flat top pistons, moly rings, #62 heads fully ported, roller rockers, screw in studs, moly push rods (9.5-1 comp.) 236/244 @.050 flat tapped hydrolic cam
750 cfm holley, edelbrock performer dual plane intake, msd ignition box, 120 gph carter fuel pump and some Headman small tube headers. Probably about mid to low 400 hp
1980 Trans am. It will be driven on street and freeway.

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Old 03-16-2003, 02:20 PM
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I had a 72 TA with the 455HO years ago. I just ran the large clutch fan with a factory shroud and a good 195 degree themostat. Never a problem.

My 455 had RamAirIV heads, 1.65 ratio rockers and a RamAir IV camshaft. 400 Turbo and a 3.42 gear. I had too much camshaft for my combination but HEY I was young and thought if bigger is better than too much is just right.

The local "Daddy has plenty of money" in my town had a 73 455 SD Trans AM and I smoked him. 3 times straight (for $100 a time). A hundred dollars was a lot of money back then


"I won't be wronged . I won't be insulted, and I won't be laid a hand on. "

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Old 03-16-2003, 02:57 PM
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You will need a shourd for sure. If you go with a elec fan go with a high CFM.
You might also lookinto the knowledge Base under motor cooling. There's a good site about cooling. <a href="" target="_blank"></a>
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