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Old 07-21-2005, 08:02 AM
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James408 James408 is offline
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What is the fluid capacity of a pontiac 400 with 4 core radiator?

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1969 Firebird "400". 408 Pontiac, #62 heads, 274 XE cam, Eddy RPM intake, Quick Fuel Slayer 750, Carter Super Street fuel pump, Mallory Unilite, Turbo 400 with shift kit, Continental "Jim Hand Special" 3200 stall, 12 bolt 4.10 posi. 1 5/8 inch headers, 2.5 exhaust with Dynomax Ultraflos.
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Old 07-21-2005, 01:04 PM
chief kewaskum chief kewaskum is offline
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just had my 3 core converted to a 4 core, had my old tanks used, the capacity is right at 3 gallons. i was looking for a 10 degree improvement but i got a 20 degree decrease in operating temp. best $250 i have spent. i had the same results when i did this to my 66 mustang. hope this helps

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Old 07-21-2005, 01:33 PM
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BVR421 BVR421 is offline
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actual fluid capacity is whatever it takes to fill it up, your manual will give factory cApacities. Every car is different but then you knew that. if you are draining the radiator only start with 1/2 gallon antifreeze then a 1/2 gallon water or whatever mix you want to use. if you arent draining the engine block, its only about a gallon and a half to refill the radiator.

BTW James, why are you using a 2 foot square picture for your avatar? It only has to be 2"x2"

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Old 07-21-2005, 03:12 PM
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James408 James408 is offline
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Sorry about the picture. I don't know how to reduce it.

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1969 Firebird "400". 408 Pontiac, #62 heads, 274 XE cam, Eddy RPM intake, Quick Fuel Slayer 750, Carter Super Street fuel pump, Mallory Unilite, Turbo 400 with shift kit, Continental "Jim Hand Special" 3200 stall, 12 bolt 4.10 posi. 1 5/8 inch headers, 2.5 exhaust with Dynomax Ultraflos.
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