Big Horsepower/ Pump gas

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08-25-2007, 12:38 PM

#21

Strip Poker 388

Rob

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Quote:

Originally Posted by Nice Pair

Tim Grose 269-561-6000 Valve srings = single bee-hive/ 140 lbs on the seat, timing 26°, boost 14 lbs ( if I remember) Let it spin.

Thanks for some specks.I guess the effciency of the combustion chamber is the reason behind the timming being low.Just think what he could do with a motor for the Hot Rod Mag Pump Gas drags in Memphis Tn.Theres some pretty stout #'s there runing on socalled pump gas

http://www.youtube.com/watch?v=_vp0h7eHzDE

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Last edited by Strip Poker 388; 08-25-2007 at 12:58 PM.

08-25-2007, 01:16 PM

#22

Strip Poker 388

Rob

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Quote:

Originally Posted by mikes280

some one should get Tim to jump on here and keep us informed sounds like a hell of a motor i am not sure about that high of rpm for marine use

Mike I wonder with the Fast could he get it to Idle very low? I would think at 7k + rpm it would considered to be a hot poker run motor or a race motor.

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08-25-2007, 01:29 PM

#23

mrhorsepower1

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Quote:

Originally Posted by Nice Pair

Tim Grose 269-561-6000 Valve srings = single bee-hive/ 140 lbs on the seat, timing 26°, boost 14 lbs ( if I remember) Let it spin.

That seat pressure is almost enough for a hyd. roller camshaft. NO where near enough for a mech. roller

08-25-2007, 04:41 PM

#24

Strip Poker 388

Rob

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Quote:

Originally Posted by mrhorsepower1

That seat pressure is almost enough for a hyd. roller camshaft. NO where near enough for a mech. roller

Dean what if its because on a small or lite valve? since it has 2 each?

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08-25-2007, 05:38 PM

#25

mrhorsepower1

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Quote:

Originally Posted by Strip Poker 388

Dean what if its because on a small or lite valve? since it has 2 each?

possible

08-25-2007, 06:55 PM

#26

Strip Poker 388

Rob

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Quote:

Originally Posted by mrhorsepower1

possible

What about the b hive spring being a progressive rate spring? I not real familiar them tough.But being at 15 psi?

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08-26-2007, 09:22 AM

#27

Nice Pair

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Quote:

Originally Posted by Strip Poker 388

Mike I wonder with the Fast could he get it to Idle very low? I would think at 7k + rpm it would considered to be a hot poker run motor or a race motor.

Tim is claiming 900 rpm idle with very little if any blower roll.