Thermoquad Base Gasket

backcountry

backcountry

Member
I am looking to id the correct base gasket for a carter thermoquad off a Scout.

I know to use the open spreadbore design, but does gasket thickness matter?

I've been to the local auto parts stores and the gaskets they carry are quite a bit thicker than the one that came off the engine.

Just want to make sure this won't cause any issues...
 
I run the thick one that comes in the gp sorensen 96-246c carb kit. 1/8" thick or so...works fine for me.
 
backcountry said:
I am looking to id the correct base gasket for a carter thermoquad off a Scout.

I know to use the open spreadbore design, but does gasket thickness matter?

I've been to the local auto parts stores and the gaskets they carry are quite a bit thicker than the one that came off the engine.

Just want to make sure this won't cause any issues...
Click to expand...

The proper carburetor base gasket for the spreadbore carburetor application is a "thick" one, measures a nominal 0.300" in thickness. This is considered an "insulator"-type gasket designed to minimize heat transfer from the intake manifold to the carburetor body itself.

The aftermarket versions of these gaskets measure between 1/8" and 1/4" in nominal thickness.

The actual thickness of the gasket has much to do with the actual adjustment and actuation of the divorced choke system.
 
You must log in or register to reply here.
Back
Top