What type of caliper is needed to measure base circle?
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From: Lexington, Ky
Re: What type of caliper is needed to measure base circle? This is the one I have been using:
<img src="http://home.insightbb.com/~ominousvette/caliper.jpg" alt="" />
Is that good enough?
<img src="http://home.insightbb.com/~ominousvette/caliper.jpg" alt="" />
Is that good enough?
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From: Lexington, Ky
Re: What type of caliper is needed to measure base circle? </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by LS1derfull:
<strong>A vernier or outside micrometer will suffice, btw GM uses 1/2 of actual diameter to come up with 19mm specs. etc.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I figured that. I calculated my basecircle to be 1.488" or 37.79 mm and when I compared it to a stock base circle you mention on a 2000 LS1 cam which was 19 I was like they must half it. Why do they do that?
<strong>A vernier or outside micrometer will suffice, btw GM uses 1/2 of actual diameter to come up with 19mm specs. etc.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I figured that. I calculated my basecircle to be 1.488" or 37.79 mm and when I compared it to a stock base circle you mention on a 2000 LS1 cam which was 19 I was like they must half it. Why do they do that?
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From: new england
Re: What type of caliper is needed to measure base circle? I would say its good enough, any decisions you make based on your measurements wont be affected by complete accuracy, say like pushrod length decisions.
