Spark Knock with my ASP Pulley...
Thread Starter
TECH Enthusiast
Joined: Jan 2002
Posts: 597
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From: Orange Park, FL
Spark Knock with my ASP Pulley... Just installed TR224 cam and ASP pulley and am registering almost 4 degrees of knock retard through all WOT rpm ranges. I've been troubleshooting this for 3 days now to determine if its "true" or "false" knock. Couldnt get ahold of any race gas so I decided to drop timing down to 20 degrees and log some WOT runs. Still showing KR but it is between 1 - 2 now vice 3 - 4 degrees. O2's look very nice (for what thats worth) and I even tried fattening it up a bit while chasing this gremlin.
Anyone else who has had KR w/ ASP please give me some of your ATAP numbers for comparison. IE: What rpm range did the KR start?
Was it constant through all gears?
Did you only have KR at WOT? (My PT registers no knock)
I would think that since I'm still getting KR with timing at 20 degrees that it is definetly not "true" knock. Tomorrow I'm going to re-torque and re-measure the pulley install.
Any info would be appreciated. Thanks.
Anyone else who has had KR w/ ASP please give me some of your ATAP numbers for comparison. IE: What rpm range did the KR start?
Was it constant through all gears?
Did you only have KR at WOT? (My PT registers no knock)
I would think that since I'm still getting KR with timing at 20 degrees that it is definetly not "true" knock. Tomorrow I'm going to re-torque and re-measure the pulley install.
Any info would be appreciated. Thanks.
Thread Starter
TECH Enthusiast
Joined: Jan 2002
Posts: 597
Likes: 0
From: Orange Park, FL
Re: Spark Knock with my ASP Pulley... Race gas at the track and still have KR
Race gas with timing table at 20 degrees max, still have KR
5 days after post still looking for info.
Any takers?
Race gas with timing table at 20 degrees max, still have KR
5 days after post still looking for info.
Any takers?
