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Posted

That would be detonation

 

↑ This, Needs higher Octane fuel!

 

What size domes do you have? What is your timing set at? Did you do a compression test?

 

This will verify what octane you will need to keep it from detonating.

Posted

↑ This, Needs higher Octane fuel!

 

 

This will verify what octane you will need to keep it from detonating.

Actually, compression ratio is the correct way to find out what octane you should be running.
Posted

Actually, compression ratio is the correct way to find out what octane you should be running.

This is true but how many people actually know or take the time to figure out this? If there is none or mild porting done then Cranking compression will pretty closely tell you what type of fuel you need

but what you say is absolutely true which is explained in this post i made weeks ago in the race gas topic. http://bansheehq.com/forums/index.php?showtopic=173487&p=1574856

Posted

Has anyone ever had problems with their spark plugs backing out? I have a pro design cool head.

Your jetting could be lean, you might have an airleak, timing is to advanced, flywheel might have spun, or compression might require better fuel.

 

Any way you play it = DETONATION

Posted

Thanks for the help guys. I am going to do a compression test asap and in the mean time i wont run it. I will come back with more information, and go from there. Or i can put my income tax check in a crate along with the motor and send it out to one of the site sponsors:

Posted

Redline

Or REDLINE

You can always call Cameron at REDLINE

R

E

D

L

I

N

E

 

and unlike pASSion...his phone works.

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