question, after motor rebuild
02-16-2005, 09:20 AM
#1
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question, after motor rebuild im new here, and i just finished rebuilding my motor a couple of months ago.
installed 2000 camaro ss 6 speed
comp cams 222/224 566/568 112
pp stage 2 heads, 2.055/1.60
double roller timing chain
slp ported oil pump
comp oe lifters
comp 7.400 pushrods
comp 1.75 roller rockers
hooker longtubes
ls6 intake
and the car has a lot of valvetrain noise, a lot of chatter, and was wondering if this was normal with these motors, being all aluminum. when the car is cold its quiet but when it warms up it starts chattering. i thought it might be my lifter preload, i had them adjusted half a turn on hot settings, so i adjusted them again to 2 turns this time, and it might had quieten down a tad if any. but does the same thing. i have good oil pressure 20-25 psi at idle when car is fully warmed up 40psi at crusing speed, and 50-60psi wot, is this just a normal thing
installed 2000 camaro ss 6 speed
comp cams 222/224 566/568 112
pp stage 2 heads, 2.055/1.60
double roller timing chain
slp ported oil pump
comp oe lifters
comp 7.400 pushrods
comp 1.75 roller rockers
hooker longtubes
ls6 intake
and the car has a lot of valvetrain noise, a lot of chatter, and was wondering if this was normal with these motors, being all aluminum. when the car is cold its quiet but when it warms up it starts chattering. i thought it might be my lifter preload, i had them adjusted half a turn on hot settings, so i adjusted them again to 2 turns this time, and it might had quieten down a tad if any. but does the same thing. i have good oil pressure 20-25 psi at idle when car is fully warmed up 40psi at crusing speed, and 50-60psi wot, is this just a normal thing
02-16-2005, 07:48 PM
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Originally Posted by NastySSoo
The valvetrain noise is to be expected. The 25 lbs of pressure at idle would concern me with a 6 speed. IMO about 40-45 lbs at idle would be normal.My .02.
Paul
Paul
02-16-2005, 09:06 PM
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Originally Posted by SStheBest
uhh yea i was thinkin the same thing...that pressure is alittle low...damn infact just thinkin about mine..thats VERY LOW!!!
how can that be very low when the manual says you should see 5psi at idle
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02-16-2005, 09:37 PM
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Originally Posted by smask04C5
25# @ idle is fine, these engines make more noise when valvetrain geometry is changed. What kind and weight oil are you using?
