Re: Pinging on 87 Octane??

From: Alan (acasey@io.com)
Date: Fri Nov 15 1996 - 13:55:05 EST


Michael Clark wrote:
>
> > Rap out the truck with the MP
> > SBEC and it's a different story! (You will still get pinging above 4200-4500 rpm
> > with 92 octane!! You have to add a can of 104+ booster to correct this.)
> >
>
> I have the MP SBEC and experience this problem on 92 octane. Will this
> harm the engine, or shorten the life expectancy? 104+ gets expensive
> with every tankfull of gas. Is there any other "fix" for this besides
> 104+. (besides going back to the stock SBEC)? Thanks for any help.
>
> Michael Clark mike@snakebite.com
> 93, LE, 2wd, reg. cab, SWB
> 5.2L, Auto, Mopar SBEC, Mark III

I have to use 93 at the pump with my SBEC. 92 does ping a little, and 87
is out of the question... Some Gas stations try selling 92 as their
premium gas, same price!! Most sell 93 now...

Alan 94,V8,5spd,MP,SBEC,Flowmaster
 



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