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I think Dave streched a stock chain out in 1500 miles...
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-60v6's 2nd Jon M.
91 Black Lumina Z34-5 speed
92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
94 Red Ford Ranger 2WD-5 speed
Originally posted by Jay Leno
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Pretty sure Eric stretched his in 1300 or less. Its the higher compression mostly, which DOHC owners can't really touch:P I wish we could, but 11:1 is not easy to achieve.Ben
60DegreeV6.com
WOT-Tech.comComment
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Ok, I am probably wrong. I thought it was Dave :P-60v6's 2nd Jon M.
91 Black Lumina Z34-5 speed
92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
94 Red Ford Ranger 2WD-5 speed
Originally posted by Jay LenoComment
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318 seals working good for me, 50+k miles. Just to add input.Brian
'95 Cutlass Supreme- "The Rig"
3400 SFI V6, 4T60e
Comp Cam grind, LS6 valve springs, OBD2 swap, Tuned
2.5" DP/ 2.5" dual exh/ Magnaflow Cat/ crap mufflers/ 3500 Intake manifold/ 65mm TB
TGP steering Rack/ 34mm Sway Bar/Vert STB/ KYB GR2's
'08 Chevy Trailblazer SWB 1LT "Smart Package"- LH6 5.3L V8/4L60e, A4WDComment
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closer to 700 miles...Originally posted by pocket-rocket View Post
it wasn't the seals fault, it was the spring seat.Comment
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For some reason, that doesn't make any sense to me. Why would high compression cause the chain to stretch? The cam doesn't turn the crank.Originally posted by SappySE107 View Post
Andy
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fastest 1/8: 10.19@ 67.17
fastest 1/4: 16.16@ 82.70
62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.
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It is not a constant journey for the crank gear to spin around. 6 evenly spaced combustion events are the source of energy and the crank sprocket is attached to the cam sprocket, which is on a different set of pressure variables for which the crank must act against. The bigger the cam/springs and the more powerful the combustion, the more abust the chain takes.
Hard launches and faster shifts take their toll on the chain. Driving style is a large factor to longevity at any performance level.Ben
60DegreeV6.com
WOT-Tech.comComment
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How about when that guy John3400 had the detonation? It sheared the cam pin, and spun the cam gear.
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O.O That's insane!Originally posted by ForcedFirebird View PostHow about when that guy John3400 had the detonation? It sheared the cam pin, and spun the cam gear.-60v6's 2nd Jon M.
91 Black Lumina Z34-5 speed
92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
94 Red Ford Ranger 2WD-5 speed
Originally posted by Jay LenoComment
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Ohhh yeeaahh. Forgot about the engine changing speeds suddenly. I can see that CR would play a role since more will cause more power, but just the same, you can add headers or bump timing. Increasing CR.......hmmmmm, I'm thinking about HP gain, not difference in pressure. I see your point Ben. A little HP needs a lot more pressure during combustion. Therefore, a more abrupt speed up and slow down pulses.Originally posted by SappySE107 View PostAndy
sigpic
fastest 1/8: 10.19@ 67.17
fastest 1/4: 16.16@ 82.70
62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.Comment
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