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Signs of pinhole leaks in my radiator?
#1267888 06/02/2018 4:22 PM
Joined: Nov 2017
Posts: 28
Northern Va
1
1964 Chevy P10
Offline
Wrench Fetcher
1964 Chevy P10
Wrench Fetcher
1 Offline
Joined: Nov 2017
Posts: 28
Northern Va
Well I'm getting in closer but just noticed some coolant on the fins of the radiator?
Just bought this P10 Stepvan last winter and I have been fixing it up.
I do have it running and driving around the parking lot but I never noticed this fluid sitting on the fins of the radiator?
Is this the original radiator? I am stunned if it is but I looked up Harrison radiators and they seemed to be the original equipment?
Do u all think that bars radiator stop leak would be good for this problem? Or am I looking at a radiator repair/replace?
Photos of radiator and project in build blog linked below
https://1964chevyp10.blogspot.com
Re: Signs of pinhole leaks in my radiator?
1964 Chevy P10 #1267912 06/02/2018 7:50 PM
Joined: Jun 2011
Posts: 5,096
Longmont, CO
E
EdPruss Offline
Crusing in the Passing Lane
EdPruss
Crusing in the Passing Lane
E Offline
Joined: Jun 2011
Posts: 5,096
Longmont, CO
Best to take it to a radiator shop, if you can find one, only have to do it once. Might be worthwhile to look for NOS radiator.

Ed

'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.

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