Cooling Discuss all of the aspects of cooling that you can think of! Radiators, transmissions, electric fans, etc.

Coolant flush interval

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Old 06-26-2017, 01:58 PM
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Car: 86 Trans Am
Engine: 305 LB9
Transmission: 700r4
Coolant flush interval

looking to see when you guys generally flush your system.

Its been almost three years since a full coolant flush (new radiator) and mines starting to look murky and it's not bright green anymore. Considering a flush soon
Old 06-26-2017, 05:59 PM
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Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: Coolant flush interval

The additives are generally rated at 2 years on the old green stuff.

GD
Old 06-26-2017, 07:46 PM
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Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Coolant flush interval

TIP - flush it completely clean - use 1 cup of Lestoil with water. Drive it for a day or 2.
Then with your coolant of choice, USE DISTILLED WATER. Your cooling system will look new even 15 years later. It makes that big of a difference.

Also read this: (see #18) https://www.thirdgen.org/forums/tech...ml#post6145463




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