GMC SM465

5 discussions on MotorsForum about the GMC SM465: what owners asked, what went wrong, and what fixed it.

What owners report

1985 Chev 305 No Spark

I have a 1985 Chev20 Van with a 305. I have power entering theCap/Rotor but no Spark. I have changed the Ignition Module and the CoilPack on top of the Cap....all to no effect. THe Engine with turn overbut has no spark coming down the wires...

What is "normal" for pulling a TT?

I know my subject is kind of cryptic, and I apologize. Let me give some more background: I have a 2001 Chevy Silverado Ext Cab with the 5.3L V8. I used to tow a 12' pop-up, and we recently moved up to a 23' hybrid (Jayco 23B). To prepare, I...

High Torque SBC help

Anyone in here ever build a super torque 350 engine ? We are building one right now for a 11,000# dump truck that pulls a 10,000 # trailer. We have the option of dished or flat top, we were planning on flat tops with this cam... 204/214...

Transmission Rebuild Cost

I have a 16985 Chevy SM465 manual transmission that I removed from adonor vehicle. How much is the average cost for a rebuild for thistype of transmission?

SM465 Transfer ?

What transfer case did Chevrolet use with the SM465 tranny in 1978 ?

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