K&W Block Seal vs CRC Block Weld?
Thread Starter
Joined: Mar 2001
Posts: 379
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From: Bedford, MA, USA
K&W Block Seal vs CRC Block Weld?
I wanted to try the O-Ring fix, but couldn't find CRC Block Weld anywhere locally. I went with K&W Block Seal. What's the difference between the two products?
Thanks!
Thanks!
Be prepared to write off your engine, turbos and heater core.
do a search under my moniker and see the results to the radiator.
I think the CRC is better because of the copper. Regardless, it will work for some and not for others. It worked for about 3K for me.
do a search under my moniker and see the results to the radiator.
I think the CRC is better because of the copper. Regardless, it will work for some and not for others. It worked for about 3K for me.
Lives on the Forum
Joined: Feb 2001
Posts: 9,617
Likes: 8
From: Dallas
I used the CRC for a year before my 98K engine lost an apex seal at the track. The CRC did not block or clog my radiator or heater core, in fact there are no traces of it in my system since I replaced the engine. Follow the directions to the letter and as long as your leak is not too large it should work for you too.
I drove and raced it well over 10,000 miles IIRC but then I lost an apex seal (completely unrelated problem). The original turbos are still on the new motor; now have 118,000 miles on them with no smoking. The product is perfectly safe.
I drove and raced it well over 10,000 miles IIRC but then I lost an apex seal (completely unrelated problem). The original turbos are still on the new motor; now have 118,000 miles on them with no smoking. The product is perfectly safe.
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Jeff20B
1st Generation Specific (1979-1985)
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Sep 16, 2018 07:16 PM
