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Old 03-19-2012, 06:58 AM
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Yes, that's exactly how it was explained to me and this is why I think I've learned a great lesson as far as modifying an engine I don't know squat about. Would I have been better off disassembling and have the machine shop check the whole motor before selecting the cam? This block's odometer reading was only 23,000 miles and an LS6 was made in the 70s. All the internal components was stock except for a mild cam and high rise manifold. I called Comp Cam and asked the tech about changing the distributor gear and he said I don't need a bronze gear, just use a melonized iron gear which I can buy from AC Delco for 5 bucks, haha. Wonder what he was smoking.

is the distributor drive gear on the camshaft worn or just the distributor gear? The gear on the cam is not worn but it does a show a partial shiney area where the gears were meshing but they told me it still serviceable.

Was the cam timing gear rubbing on the front of the block? I don't know because the speed shop's findings did not indicate that.

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Old 03-19-2012, 07:19 AM
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Quote:
Originally Posted by dasyhard
Yes, that's exactly how it was explained to me and this is why I think I've learned a great lesson as far as modifying an engine I don't know squat about. Would I have been better off disassembling and have the machine shop check the whole motor before selecting the cam? This block's odometer reading was only 23,000 miles and an LS6 was made in the 70s. All the internal components was stock except for a mild cam and high rise manifold. I called Comp Cam and asked the tech about changing the distributor gear and he said I don't need a bronze gear, just use a melonized iron gear which I can buy from AC Delco for 5 bucks, haha. Wonder what he was smoking.

is the distributor drive gear on the camshaft worn or just the distributor gear? The gear on the cam is not worn but it does a show a partial shiney area where the gears were meshing but they told me it still serviceable.

Was the cam timing gear rubbing on the front of the block? I don't know because the speed shop's findings did not indicate that.
So now my desire is to change everything. I'm having a machine shop order a new GM BBC bored to a 496 stroker w/dart pro1 heads and 11-1 cr. The cam I'm selecting after several hours of research is an Isky solid lifter roller cam part#396645, 650 lift. The machine shop quoted around 600hp and they thought I was nuts, especially in a 2,800 lb street car. I'm also trashing my old TH400 and getting a new Hughes Street/Strip TH400 with a manual/automatic valve body. I'm also trashing my old 3rd member w/axles and replacing them with a Moser brand. The stall will probably go into the 3,500 to 4,000 size.
http://paceperformance.com/i-5137288...ear-ratio.html

Last edited by dasyhard; 03-19-2012 at 07:38 AM.
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