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post #1 of 8 (permalink) Old 03-05-05, 05:26 AM Thread Starter
wizardry
 
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confused re clevo std camtiming

i have a qurie i have a std clevo 302 but the lower gear has three keyways labeled +4 0 -4 does any one know what the go is

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post #2 of 8 (permalink) Old 03-05-05, 07:09 AM
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Re: re clevo std camtiming

It basically gives you 3 options of where you can install your camshaft in realtion to the crankshaft in crankshaft degrees.It is also used by engine builders that take the extra time to degree in their camshafts .If the Phasing is incorrect then the cam timing can either be moved either side of the 0 mark to achieve the desired results.If you do not wish to degree your cam then its probably safe to install at the zero mark.Advancing the cam(+4) usually helps power production at lower rpm levels or typical street rpm where the emphasis is on producing peak torque levels whereas retarding the cam timing(-4) usually has the opposite effect.Hope I haven,t confused you.
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post #3 of 8 (permalink) Old 03-05-05, 06:01 PM
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Smile Re: re clevo std camtiming

Wizardry,

Agree with Russxr67. If you're not sure what all the guff means use the centre mark. You need a degree wheel and the knowledge to use either of the other marks.

All the best
Jock
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post #4 of 8 (permalink) Old 03-05-05, 07:09 PM
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Re: re clevo std camtiming

There are far too many resources on the Internet available for free reading to go without knowing; here is a good one.

http://www.iskycams.com/degreeing.php


...there are numerous others available, too. Check Crane, Comp Cams and other sites.

:davis:
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post #5 of 8 (permalink) Old 03-06-05, 06:51 AM
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Re: re clevo std camtiming

+ you need the cam specs, not much you can do without them.
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post #6 of 8 (permalink) Old 03-11-05, 10:22 PM Thread Starter
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Re: re clevo std camtiming

the cam is a crower int dur 292deg lift.512 ex dur 302 deg lift 536
duration ar.050 in:214 ex 224 lobe lift int .296 ex .310
spec listed with 1.73 ratio rockerarms
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post #7 of 8 (permalink) Old 03-12-05, 01:56 AM
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Re: re clevo std camtiming

I think what cleveland junky meant was that you need the cam specs to degree in the cam .
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post #8 of 8 (permalink) Old 03-12-05, 11:41 PM Thread Starter
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Re: re clevo std camtiming

ok my bad
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