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  #76 (permalink)  
Old 02-10-2011, 12:40 PM
How fast is fast enough?
 
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Quote:
Originally Posted by engineczar
Thankfully over the years they've relaxed some of the rules. The cams are just stock lift now, any duration which has helped in the area of broken rocker arms. The old cams looked like Acme threads which were brutal on the valve train. The corporate tranny rule helped a lot. Fitting 904 internals into the 727 case was stupid expensive. The any stock appearing valve rule is nice as well.
Which class do you race in, any youtube videos?

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  #77 (permalink)  
Old 02-10-2011, 12:46 PM
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Quote:
Originally Posted by ap72
It depends which theories you're subscribing too, there are many ways to work around those rules, its not simply a stock engine, if it was it would be dirt cheap to race in it.
Your correct... Its not stock.... But How do you make power with a small "stock spec lift" camshaft and stock non-ported old school head? And your right.. those guys are masters at playing with the rules.
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  #78 (permalink)  
Old 02-10-2011, 01:46 PM
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Quote:
Originally Posted by ap72
Which class do you race in, any youtube videos?
No You Tube stuff

The car is a '71 340 Duster right now setup for E/sa
Its natural class is F but the way the rules are you can go up or down a class just by adding or removing weight.
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  #79 (permalink)  
Old 02-10-2011, 02:07 PM
How fast is fast enough?
 
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Quote:
Originally Posted by prostreet6t9
Your correct... Its not stock.... But How do you make power with a small "stock spec lift" camshaft and stock non-ported old school head? And your right.. those guys are masters at playing with the rules.
very carefully. BTW "non-ported" does not mean that it is not modified

You can do more to a head than port it to greatly improve it.
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  #80 (permalink)  
Old 02-10-2011, 02:57 PM
How fast is fast enough?
 
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Just for s&g's what do some of the people on here expect out of the 302 I'm working on?

880 4 bolt block
5.94" L99 rods, ARP bolts
ported LT1 intake
50mm touched up throttle body (about 860cfm)
ported Vortec heads, 1.94/1.5 new backcut stainless valves, probably around 260/180cfm at .550" lift
10.5:1 compression
flat top 2VR pistons
PRC108 soild cam with direct lube lifters
(279°/282° 248°/251° .531/.542 (with 1.5)106°LSA, 102ICL .016/.016 lash)
1.6 roller rockers
Will have to make the headers, will be based off of PipeMax, probably 1 3/4" primaries.

Based off of the generous guesstimates for the old 302 I'm guessing I'll be at 850hp?
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  #81 (permalink)  
Old 02-11-2011, 07:58 AM
How fast is fast enough?
 
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no guesses?
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  #82 (permalink)  
Old 02-11-2011, 01:48 PM
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Quote:
Originally Posted by ap72
no guesses?
Got to be at least 700hp right? 2.0 HP/CI is just sooo easy to do...right

I'd say about 370 to 380 hp, just as a guess. It's only 302 cubes. Your heads, compression, cam, and rockers would make somewhere near 525hp on a 406
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  #83 (permalink)  
Old 02-11-2011, 01:55 PM
How fast is fast enough?
 
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Thank you for at least venturing a guess.
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  #84 (permalink)  
Old 02-11-2011, 03:50 PM
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What is your estimate??
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  #85 (permalink)  
Old 02-11-2011, 04:01 PM
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Jenkins couldn't agree on terms with Chrysler for 1966, so he decided to run a Chevy independently by making his own Chevy engine package. Without factory support, Jenkins developed his first "Grumpy's Toy", a 327 cubic inch / 350 horsepower Chevy II

Grumpy was able to produce 1.07 HP/Cubic inch
AP72 85% of Grumpy = .91 per cubic inch = 274 HP
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  #86 (permalink)  
Old 02-11-2011, 05:21 PM
How fast is fast enough?
 
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Around 425 at the wheels. It'll be chasis dyno tuned so that's what I want to guess on.
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  #87 (permalink)  
Old 02-15-2011, 01:07 PM
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Yup its a 265, 3720991
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  #88 (permalink)  
Old 03-01-2011, 07:24 PM
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this was great

Quote:
Originally Posted by cobalt327
Any car in the '60's would have ruled the world w/nothing more than modern rubber. Add shocks and springs, etc. to that, and there'd have been songs written about them.
The back of my house blew up a week and a half ago (steam heat explosion) I haven't been on line! I read every thing on this post !! Cobalt I tip my hat to you You have to live it !! not just pull it Out of the air! We and many like us lived it I had a good time reading all these posts! It may not mean much but I agree with you 100%
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