108LSA cam running on stock tune
07-11-2006, 12:47 AM
#21
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Originally Posted by LS1BirdDRG
I'll chime in since I was there helping on the install. Yes, we did prime it with coil packs unplugged.
That's very odd Kyle, since there was no tapping at all Sat. night when we took it for alittle test drive. Keep me posted.
That's very odd Kyle, since there was no tapping at all Sat. night when we took it for alittle test drive. Keep me posted.
Hard to hear with the windows down. It's faint but, with the windows up you can hear a tapping all the way down to idle and it does increase with RPM.
07-11-2006, 10:18 AM
#22
Check your rockers again they can cause "lifter hop" if they have backed off. On a few cam installs I have had to do that. Pull the rockers back off clean the threads throw a little red loc tite on there tighten them back down spin the motor over tighten them again and call it good.
07-11-2006, 12:10 PM
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Originally Posted by FarmerBeau
Kyle, ask Ed what base-circle he uses on his blanks.
one other thing. once you threaded the rocker arm bolts by hand, how many turns did it take to torque them down with the torque wrench. harrison's cam with the 7.4" pushrods took too many turns, somewhere's like 4 i think. then switched to the 7.35" and they came in to spec. i think it's only suppose to be 1/2 to full turn to 22ft lbs.
07-11-2006, 06:21 PM
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Originally Posted by moregrip
how'd the tuning go?
I did however start tuning with HP Tuners... It's a drag because I don't have RTT with it yet, but I was able to get it to fire up on its own without playing with the gas. It's in SD for right now.
I'll keep this thread UTD... Videos real soon btw.
07-11-2006, 06:30 PM
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Originally Posted by FarmerBeau
I have a bad tapping with my ED C cam. Its calmed down a bit but its still there. Im buying a set of 7.425" Pushrods from another member and see if it goes away.
Kyle, ask Ed what base-circle he uses on his blanks.
Kyle, ask Ed what base-circle he uses on his blanks.
Originally Posted by bluecajun5.3
one other thing. once you threaded the rocker arm bolts by hand, how many turns did it take to torque them down with the torque wrench. harrison's cam with the 7.4" pushrods took too many turns, somewhere's like 4 i think. then switched to the 7.35" and they came in to spec. i think it's only suppose to be 1/2 to full turn to 22ft lbs.
07-13-2006, 03:25 PM
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Kyle, truck sounds mean man. I cant wait to hear it in person this weekend. Sucks you're having problems already, but knowing you they will go away soon. have you decided if you are going to do the heads or just run with the cam only?
what headers are you running?
07-13-2006, 04:35 PM
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WHAT Do I Buy?????
I Have A 02 Gmc Sierra.v8 5.3l I Want To Get More Horse Or Power From It.what Are Some Of The Add Ons? My Friend Told Me To Buy A Cam And Heads ( Ls6 )? Don't Know!!!! I Don't Have That Much Money Right Now....