6066 (1960-1966) GMC Truck Club

6066 (1960-1966) GMC Truck Club (https://6066gmcclub.com/index.php)

- GMC V6 and V12 Engines (https://6066gmcclub.com/forumdisplay.php?f=9)

- - Heat riser (https://6066gmcclub.com/showthread.php?t=48001)

Fartman22

January 21st, 2014 04:52 PM

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
S.I.N.Y.

Funky61

January 21st, 2014 05:11 PM

Re: Heat riser

I eliminated mine but I'm in sunny California.

bozzhogg

January 22nd, 2014 01:45 PM

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:thumbsup:

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