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2nd Generation
technical Q's for motor build
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<blockquote data-quote="wydopnthrtl" data-source="post: 9389955" data-attributes="member: 9419"><p>Q1 - I didn't bleed mine down at all.</p><p></p><p>Q2 & Q3 - Assuming they have not been line honed... the best starting point is to place each one in it's original place and orientation. (I numbered mine)</p><p>Then lightly TQ each one down w/o the rockers in place. That way you can "feel" the resistance of rotating the cams. Once you get past 10-15in lbs you should NOT feel or measure any increasing resistance. If you do recheck the caps and then you might even try swaping them around to get the cam rotating resistance as low as possible.</p><p></p><p>Q4 - I don't know</p><p></p><p>Q5 - If the guides are still the factory ones.. I'd want to very carefully inspect them. They are powdered metal and are more brittle than what most of us use for aftermarket cams. </p><p></p><p>Q6 - I'm running Comp 278s and the stock lifters. I've got about 4500 miles on the engine and have spun it to about 6200rpms w/o any problems.</p><p></p><p>One other tip.. if your using studs.. TQ them and let the engine sit for 24hrs. Then retorque... sit for 24hrs... then retorque as needed. </p><p></p><p>Rich</p></blockquote><p></p>
[QUOTE="wydopnthrtl, post: 9389955, member: 9419"] Q1 - I didn't bleed mine down at all. Q2 & Q3 - Assuming they have not been line honed... the best starting point is to place each one in it's original place and orientation. (I numbered mine) Then lightly TQ each one down w/o the rockers in place. That way you can "feel" the resistance of rotating the cams. Once you get past 10-15in lbs you should NOT feel or measure any increasing resistance. If you do recheck the caps and then you might even try swaping them around to get the cam rotating resistance as low as possible. Q4 - I don't know Q5 - If the guides are still the factory ones.. I'd want to very carefully inspect them. They are powdered metal and are more brittle than what most of us use for aftermarket cams. Q6 - I'm running Comp 278s and the stock lifters. I've got about 4500 miles on the engine and have spun it to about 6200rpms w/o any problems. One other tip.. if your using studs.. TQ them and let the engine sit for 24hrs. Then retorque... sit for 24hrs... then retorque as needed. Rich [/QUOTE]
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technical Q's for motor build
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