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Bypass Hose

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Is it okay to use 3/4" heater hose for the bypass between the water-pump and the thermostat housing on the straight 8 Buick? I just installed, and after a 30 minute drive it looked like the hose was swollen in the middle. Could be my imagination, but don't think so. Thanks.
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I can't remember what diameter the hose was on the 41 Special I used to own, but if the hose fits snugly onto the fittings the your OK in my opinion.  What bothers me is that you think the hose is swelling, I'd keep a close eye on it.   You wouldn't want a ruptured hose.   Was the piece you used new?  Good heater hose usually doesn't swell up.       Jim 

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