Engine Experts, Camshaft Button, why need one?
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Joined: Jul 2005
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From: Detroit, MI
Car: 1991 Firebird
Engine: 350,Dart Heads,Weiand In,Roller Cam
Transmission: 2400-Stall, 700R4 w/ Kit
Axle/Gears: 4th Gen 3.42 disc (I wish)
Engine Experts, Camshaft Button, why need one?
I'm trying to figure out how the camshaft would ever want to move towards the front. The gear geometry of the oil pump gear would suck the cam in. Is this a 9000 RPM closed throttle situation or something? Maybe if the engine starts backwards I suppose. What am I missing here in my logic?
Thanks!
Thanks!
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Roller lifters can't tolerate any axial motion. The distributor gear isn't enough to keep it back against the block.
Not needed with flat tappet lifters.
Not needed with flat tappet lifters.
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Joined: Dec 2006
Posts: 55
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From: baton rouge,louisiana
Car: '88gta
Engine: 383 tpi
Transmission: 700r4
Axle/Gears: 3:23 australian 9 bolt posi
Re: Engine Experts, Camshaft Button, why need one?
One piece rear main seal blocks use a cam retaining plate to do the job
a cam button does on earlier blocks.
Hey Moe, no wonder the water don't work...
these pipes is clogged up with wires.
Jerome Howard - 1936
a cam button does on earlier blocks.
Hey Moe, no wonder the water don't work...
these pipes is clogged up with wires.
Jerome Howard - 1936
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