Re: Detonation

From: KARL MOLTZAN (kmoltzan@mymail.net)
Date: Fri Dec 12 1997 - 19:07:50 EST


On Fri, 12 Dec 1997 09:51:17 +0000 acasey@io.com wrote:

>Another tech question for the list.
>
>I have started noticing my engine detonating badly as I
approach 5000
>rpm. This is a serious problem that will keep me off the
track this
>weekend. So instead I will be spending Saturday in the
driveway
>trying to isolate the culprit. I plan on doing the
following, so if
>ya'll can think of anything else to try or look for please
let me
>know.
>
>1. Check all the plugs and plug wires.
>2. Check rotor and distributor cap, (there only about 6
months old).
>3. Disconnect my MSD and switch back to the stock coil.
>4. Check fuel presure
>5. I plan on reading up on adjusting the distributor
position in the
> Haynes manuel, and then try playing around with it.
>6. I guess I could try a lower temp thermostat, but the
engine is not
> getting hot.
>
>Maybe some of our Supercharged members have run into this
before???
>
>Anyway any help would be appriciated.
>
>Alan...
>
>94',SLT,V8,5spd,MP SBEC,Flowmaster,SureGrip,MSD w/blaster
>coil,Pulleys,1.7 Roller rockers,Super Street TBI,Taylor
>wires,Chanpion truck plugs gapped at .40
>
Could be the winter fuel.Try high octane.Or if you can
find some RXP at Chiefs Auto Parts.
 
                       Karl Moltzan
               92 CC 4X2 5.2L 4/5RT(stock cam)
                   1.7Crower, Electric Fans
                        DTs,Stock coil
                     B&M Shifter 4200lbs
                       15.054@90.124
                     kmoltzan@mymail.net



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