Flush n fill
Flush n fill
I wonder why engine blocks don't have a drain plug for antifreeze. Even when we drain the A/F out of the radiator, there's no way to get it out of the block.
Flushing a running engine with water pushes the old A/F out eventually, but then you have nasty old water in the block instead.
There's got to be a better way. What is it?
Flushing a running engine with water pushes the old A/F out eventually, but then you have nasty old water in the block instead.
There's got to be a better way. What is it?
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Pull the water jacket drain plug from the driver's side of the block, and the knock sensor from the passenger side of the block.
A flush kit that hooks a garden hose to the heater hose works fairly well, also.
A flush kit that hooks a garden hose to the heater hose works fairly well, also.
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iTrader: (1)
Joined: Jul 2004
Posts: 10,763
Likes: 4
From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: Flush n fill
I replaced my block plugs (I don't have a knock sensor), with 1/4"NPT drain *****. That makes it nice and easy.
Supreme Member
iTrader: (1)
Joined: Jul 2004
Posts: 10,763
Likes: 4
From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: Flush n fill
Canadian tire. Home depot, rona, etc also would have them. Just a copper/brass type of fitting.
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