Block drain for 8RT Anyone drilled and tapped the later 8BA type blocks for a block drain. The 59L has one right where it should be, at front low point. The 8RT has none.
I assume you could probably drill out the 8BA at the same point for a drain. Or will the drain hole in the water pump get most of the water out of an 8RT. ? Thank you Fordbarners. |
Re: Block drain for 8RT I have drilled & tapped the 8BAs for drain cocks.
Really not needed as you can see, water pumps are low enough to drain OK. |
Re: Block drain for 8RT I have a 8CM in a 33 Ford would like to drain coolant without removing bottom hoses? :)
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Re: Block drain for 8RT Thank you. That's what I thought about the water pump holes, but it is impossible to get the bottom hoses off in a tight '29 A roadster without removing the radiator. Good to hear drilling & tapping the block works.
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Re: Block drain for 8RT The back of the engine is usually the low point, all the crap settles back there. I've seen where people drilled and tapped back there, but the metal isn't real thick there.
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Re: Block drain for 8RT The 8BA flathead block WILL NOT drain completely even with the lower radiater hose removed. I always drill and tap the 8BA blocks in the same location as the drian on the early blocks. Theres a nice flat area on each side of the block thats the perfect location to add the drain plug.
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Re: Block drain for 8RT As Ronnie stated, there is a good flat spot on both sides of the block at the front. I drilled and tapped both sides and installed drain cocks for the eng. in my 51 merc., and the eng. for my 29 roadster project. I did this so I did not have to remove hoses to drain cooling system, in case cooling system maintenance. ( heater hoses, heater control valve, t-stats, even head gaskets.) I did it mostly to be able to completely drain and change out the anti-freeze every couple of years. I will say that it is best done with the eng out of the vehicle. may not be possible in the vehicle
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Re: Block drain for 8RT The bottom of the radiator might be good idea also, if there is spot like the '40 if I recall.
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Re: Block drain for 8RT 1 Attachment(s)
I have found this drain valve better than the old butterfly type. Available at boat stores or on ebay
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Re: Block drain for 8RT Thanks, RUSSCC. Would you have a photo of that '40 spot on the block? Or would you try the radiator idea? I'm pretty new at this so you guys opinions really matter. Thanks again.
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Re: Block drain for 8RT Thanks Paul2748. Would happen to have a photo of the spot where you installed it? I'm pretty new at this and you guys opinion really matters. Thanks again.
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Re: Block drain for 8RT As Ronnie pointed out, a drain on the radiator is still not going to totally drain the block.
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Is kind of rounds out a bit like a semi-circle with a flat top. |
Re: Block drain for 8RT 1 Attachment(s)
Here is Jim's 29 roadster project block with the drain hole at the front flat spot.
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Re: Block drain for 8RT That's one hell of a center bearing cap. Al
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Re: Block drain for 8RT On the flathead that I had, I did not use it. I am using
it on my Y Block cars, including the radiator Quote:
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