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Old 06-09-2019, 09:07 PM   #1
gulfcoast66
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Lt1 swap 1966 c10, Coolant Boiling in Recovery Tank.

What's up fellas.. I did a Lt1 Swap in my 66 c10 and its Boiling water in the Recovery tank.. i have searched for hose routing on the forum and net.. I do Believe I got the hose routing Wrong going to the recovery tank... any Help would be Greatly appreciated..
The Donor car was a 1995 Buick Roadmaster my car for 8 years, No problems overheating or any other issues... Thanks
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1995 Buick Roadmaster LT1, 4L60-E
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1966 C-10 Long Fleetside. 1995 LT1 5.7 4L60-E

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Old 06-09-2019, 09:14 PM   #2
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Re: Lt1 swap 1966 c10, Coolant Boiling in Recovery Tank.

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2010 CHEVY Silverado Crew Cab
1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E
1995 Buick Roadmaster LT1, 4L60-E
1990 CHEVY EXT.CAB 350, 700-R4 (R.I.P)
1966 C-10 Long Fleetside. 1995 LT1 5.7 4L60-E

CHEVY ONLY TEXAS
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Old 06-13-2019, 10:49 AM   #3
gulfcoast66
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Re: Lt1 swap 1966 c10, Coolant Boiling in Recovery Tank.

Ttt...
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2010 CHEVY Silverado Crew Cab
1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E
1995 Buick Roadmaster LT1, 4L60-E
1990 CHEVY EXT.CAB 350, 700-R4 (R.I.P)
1966 C-10 Long Fleetside. 1995 LT1 5.7 4L60-E

CHEVY ONLY TEXAS
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Old 06-13-2019, 12:26 PM   #4
Clyde65
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Re: Lt1 swap 1966 c10, Coolant Boiling in Recovery Tank.

I don’t know if the LT1’s are like the Vortec engines but if those have a pocket of air in the cooling system it will do exactly what your experiencing.
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Old 06-13-2019, 01:12 PM   #5
Bigdav160
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Re: Lt1 swap 1966 c10, Coolant Boiling in Recovery Tank.

I don't know about Roadmasters but Camaros had bleed screws on the thermostat housing
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Old 06-17-2019, 01:09 AM   #6
67 Burb
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Re: Lt1 swap 1966 c10, Coolant Boiling in Recovery Tank.

Are you sure it's really boiling? Or is it just bubbling air into the overflow tank?

Also, the Roadmaster LT1 has that air bleeder also.
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