Timing

[gmb074]

Hello everyone..I am new to this forum as well as corvette owner.I have a '74 roadster with basic 350 4b rodchester.What is the factory specs on timing?

thanks

 

[wishuwerehere82]

8 Degrees BTDC @ 650 RPM w/ the vacuum advance hose disconnected from the distributor and the hose plugged.

 

[Billybeau1]

Hello everyone..I am new to this forum as well as corvette owner.I have a '74 roadster with basic 350 4b rodchester.What is the factory specs on timing?

thanks

My manual says 8 degrees BTDC at idle speed

 

[Billybeau1]

12 Degrees BTDC @ 650 RPM w/ the vacuum advance hose disconnected from the distributor and the hose plugged.

Oops Houston we have a problem

 

[wishuwerehere82]

Oops, fixed it.

I was going from memory. Bad memory.

 

[gmb074]

I just recently changed to 12deg and it seems to have a lot more
spunk. It was running pretty doggy @8deg.....

mant thanks!

 

[Billybeau1]

Oops, fixed it.

I was going from memory. Bad memory.

Thats why I went to the book. I have no memory

 

[wishuwerehere82]

If you run 93 or better octane, it should have a little more kick at 12. I was going from my preferences, but you DID ask for factory timing specs. My mistake.

Happy motoring!