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#1
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camshaft end play question
Ok so i installed new cam with a cloyes timing chain and gears thanks to the recommendation's from the forum here. Cam is degreed and all looks good. BUT my camschaft end play is 2.5 -3.5 thousands. Is this too tight? i have searched here for the last 3 days looking for an answer. the only thing i worry about is i have read here .03-.07 is acceptable but the 2.5 is making me worried. This is a Hydraulic roller cam fwiw. Thanks as always Joe
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72 Luxury Lemans nicely optioned |
#2
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Your fine!
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#3
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IIRC, mine was in that neighborhood.
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Ken '68 GTO - Ram Air II 464 - 236/242 roller - 9.5” TSP converter - Moser 3.55 Truetrac (build thread | walk around) '95 Comp T/A #6 M6 - bone stock (pics) |
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#4
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Thanks for the feedback. Just dont want any issues with this refresh. spring is coming up faster than i thought it would!
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72 Luxury Lemans nicely optioned |
#5
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If you need peace of mind, measure the thickness of your cam retaining plate and order a plate with a thickness that will get you closer to the spec you want to see.
That said, my roller cam is out of spec to the loose side by about 3 thou. It's been running like that since 2015 and I put about 5K miles a year on the car. I think you'll be fine.
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-Jason 1969 Pontiac Firebird |
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#6
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Quote:
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Tim Corcoran |
#7
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0.002-0.003 sorry about that
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72 Luxury Lemans nicely optioned |
#8
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Keep in mind that a steel cam expands more then a cast iron one would.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
The Following User Says Thank You to steve25 For This Useful Post: | ||
#9
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Something else you can or could have checked it the little hole and machined slot in the cam plate for oiling. Some of the after market ones didn't have it. I think mine was around .004 end play and it has been fine. As was mentioned, the cam-plate thickness sets the end play. I seem to remember the factory ones measure in at .124 and some of the after market ones were .115
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68 Firebird. IA2 block, 505 cu in, E-head, Solid roller 3650 weight. Reid TH400 4:11 gear. 29" slick. Best so far 10.12@133 mph. 1.43 60 ft. 76 Trans am, TKX .81 o/d, 3.73 Moser rearend, 468 with KRE D-ports, Doug headers, 3" Exh. |
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