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#221
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#222
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I think Dave's wide port Edelbrock is better. Thanks
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Blown 4cyl's to the front |
#223
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All good questions
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#224
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Interesting, thanks for sharing
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#225
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Knowing Dil, I can see where a hemi fits well with his "Gasser Gang" image.
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) |
#226
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At any rate 40 or 60 horsepower jump in a 4 banger is quite a jump. If it was done on a big V8 even ore power. I would say Dave Wilcox knows what he is doing. I asked him if he could get 400+cfm out of High Ports with std pushrod and 2.20 valve and he just said "yes". I might give him a crack at it. Its like high end E wide port performance but no offset stuff or huge valves. Stud girdle and go. |
#227
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A 400cfm standard pushrod HP head is nothing like a 400cfm wide port e-head. |
#228
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The Wilcox ram air 5 heads I have coolant runs through. 2 separate passages on each head on intake and exhaust sides front to rear.
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
#229
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Quote:
Hasn't Dan Barton gotten 400+ cfm out of a KRE HP with standard push rod location? Stan
__________________
Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
#230
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Real close to it
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#231
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If you are looking for all out performance a 400cfm wide-port will make better average power than a 400cfm standard pushrod location head more times than not.... A LOT more to it than "CFM"!
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#232
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I'll take a 370cfm wide port e-head (if done right) vs a 400cfm standard pushrod hp head
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#233
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Quote:
Would you be willing to share what kind of CSA each head has? Stan
__________________
Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
#234
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No....but it's not only the cross section size but where the smallest area is placed. It usually ends up at the pushrod pinch point, head bolt bulge or valve seat area.
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#235
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Just a guess but i'd bet the difference is .3-.4 sq inches
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#236
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I don't think the std HP head would make as much power on a equal footing. It is a smaller valve and smaller choke point. But does it matter ? |
#237
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Some pics of Dil's Hemi Head!
GTO George |
#238
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Cool George. Are there any with al the rockers on ?
The holes for the spark plugs do not go down the center of the valve cover. Are they close to the middle of the chamber ? Any chamber pics ? Thanks. This stuff has to start out somewhere. I think a engine like this is a good start vs trying to make huge power right off the bat. |
#239
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I would like to see a picture of the combustion chamber also.
Stan
__________________
Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
#240
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Quote:
GTO George |
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