LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

GM 847 for stroker?

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Old Sep 17, 2003 | 12:46 AM
  #1  
Naegash's Avatar
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From: West Jordan, UT
GM 847 for stroker?

I really like the specs of the 847 cam, and was just wondering if it would be good for a 383. I know when you up the compression and displacement cam choices are a bit different. Any thoughts/suggestions?
Old Sep 17, 2003 | 01:10 AM
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My dad is using it in his 383 impala SS. 11:1 CR, 373s, 3000 stall, and mildly ported lt4s. Everyday driver and he loves it. No cam surge, good idle etc.

Car ran 110 traps (4500 weight) and using partial throttle first few hundred feet.

You can go more radical, but its a good choice for a mild stroker.
Old Sep 17, 2003 | 01:32 AM
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The car will be a daily driver but I am willing to go somewhat bigger if it will make more power. What would you suggest?
Old Sep 17, 2003 | 01:47 AM
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more specifics on car.... gears, compression, heaads, max rpms you want to turn?
Old Sep 17, 2003 | 07:51 AM
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Well, it's a 95 Z28. I plan to have advanced induction (phil) do a full port job on my LT1 castings. Probably run around 11:1 compression. Stock 3.42 gears. I would be willing to wrap it to the upper 6k range (6700-6800).
Old Sep 17, 2003 | 06:13 PM
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TTT please
Old Sep 17, 2003 | 06:27 PM
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Get Phil to custom grind a cam specifically for your needs..That would be the best choice..

Cody
Old Sep 17, 2003 | 09:47 PM
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Well you dont mind turning rpms which is good. Combo has a hydrolic grind, 236/244 duration, .608"/.613", 112lsa, i like the lift on it, and the duration isnt crazy. Will prolly roll to ~6700 in a 383 and make nice power across the board. It will lope and may have a hint of surge, but should be very streetable.

Thing is, i STRONGLY suggest gears. Even with the low end torque of a stroker, you still want a little more mechanical advantage to get you moving more quickly.
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