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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old January 21st, 2014, 04:52 PM
Fartman22 Fartman22 is offline
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Default Heat riser

Hello all,looking to put a new exhaust on my 61.Does anybody know if you need the heat riser or can you eliminate it ????? mine is frozen open. Thanks
G cowen
1961 GMC pick up
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Old January 21st, 2014, 05:11 PM
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Funky61 Funky61 is offline
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Default Re: Heat riser

I eliminated mine but I'm in sunny California.
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Old January 22nd, 2014, 01:45 PM
bozzhogg bozzhogg is offline
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Default Re: Heat riser

You can get by without it. But if you live were it get's cold like in the north, north east you might want that heat riser. I tried driving without it and it was OK for wail. But after I put one in it ran a lot better. By the way I live in North Carolina. Ross.Hodges
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