cranking compression - Page 3

junior barns · 09-10-2010, 09:29 AM

Quote:

Originally Posted by SSDiv6

You have reduced airflow.

Thanks for the reply, but what I was getting at is: well I guess less airflow means less fuel! I have had similar results before in the past.

Sorry not trying to hijack this thread but how much carb clearance should there be and where to measure from off the carb??

randy wilson · 09-13-2010, 05:56 AM

Thanks Mike, I am going to put cam back and tighten lash after we are done racing. Do i think numbers are bogus? No. I have been with this man 13 years, and if he said we gained, we gained. Ran this weekend at Eddyville, went 5.90 116.70. Had the best mid track numbers of our car ever, but still down 3 mph and .007. I think it's as simple as you have stated, clutch cars do not like the cam advanced sometimes. Now, on the valve lash, i have seen .002 make a difference. As for the jets, we are using holley, but will change to max jets. We were no. 2 qualifier, at 2 under, Rick Parrot ripped everyones throat out at 32 under. So we have some work to do.

09-13-2010, 05:56 AM	#22
randy wilson Senior Member Join Date: Jan 2007 Location: N/A Posts: 882 Likes: 0 Liked 22 Times in 22 Posts	Re: cranking compression Thanks Mike, I am going to put cam back and tighten lash after we are done racing. Do i think numbers are bogus? No. I have been with this man 13 years, and if he said we gained, we gained. Ran this weekend at Eddyville, went 5.90 116.70. Had the best mid track numbers of our car ever, but still down 3 mph and .007. I think it's as simple as you have stated, clutch cars do not like the cam advanced sometimes. Now, on the valve lash, i have seen .002 make a difference. As for the jets, we are using holley, but will change to max jets. We were no. 2 qualifier, at 2 under, Rick Parrot ripped everyones throat out at 32 under. So we have some work to do. __________________ don,t have one