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#1 |
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I've never done this exact scenario, but, say, stock cam diameter, stock lifter diameter, .700 lift at the valve roller. No vac pumps, or external oil pumps. Cast intake only. No external mods to intake, brodix spec only, polish combustion chamber, and milling only. Intake, and exhaust ports remain factory specs. They have the word spec cast into both exhaust and intake, and flow virtually the same all 3 manufactorers. Ford has a little better no. on the exhaust, but not enough to get too excited about. Just my ideas guys, not cut in stone. I know it works for the roundy-rounders.
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#2 |
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I ran a '69 Camaro in C/SM the first year they had the class. Read and re-read Rick Voglin's Car Craft articles about building his car. First year there was just the one class, which became B/SMif I remember correctly. Never had a problem running under the index. had heads from RHS to begin with then a set from MI (forget the shop's name) then a killer set from Lee Shephard. The other two sets ran the same, but Lee's heads flowed more and were faster. Had a 292", 305", and 317". Never could get the car light enough for the 292", but it was still the fastest.
I seldon had a problem hooking on 10.5" Firestones, but they started to go away after about 15 passes. Usually left, depending on the track, between 8000 & 9500. It was a fun class. Danny Bird had a fast one. Those rules were fine, imho. I never knew of anybody "cheating" the heads. Like building an SS car with lumps on the pistons. Some guys were trying to run them like a Modified car, trying to spin them too high. Made that mistake myself for a while. I think the heads would be tougher to police now.
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Ed Wright 4156 SS/JA Last edited by Ed Wright; 08-16-2012 at 02:13 PM. |
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#3 |
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I agree Ed, but if a sanctioned body would put the head policing in the manufacturers hand, it would save time and money. There is a way, but I don't pretend to have all the answers. The heads are so close to equal, I don't know why we couldn'tt at least give them a look. I think I owned Danny Byrd's camaro, a 67 I purchased from Linden Bodnard from Canada in 86 I believe. I ran it in SS|CS and later in C\EM.
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#4 |
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One class is all thats needed. One sealed Circle track 400 hp Chevy motor. Only one trans. Pg or stick. ANY Stk or SS or Comp door car chassis at same lb per cubic inch. One carb 750. WOuld S/g car qualify for that chassis?with ballast? Build it yourself motor could be another variation class but cost would be problem.
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#5 | |
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#6 |
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One thing for all to remember is, if we don't turn enough r's, and pull the wheels, and have a lot of clutch and gear action, it will not fly. Also, you need all 3 makes involved. That's why I like the brodix spec head. They did all the homework for us.
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#7 |
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Dead on. If the car is not a stick, no one is interested in watching.
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#8 |
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To cut legacy costs
Use commercially sold car fuel such as PUMP GASOLINE !!! or E85 since it is a new Commercial Product. Limit cam lift to .550 to reduce Valve Trane breakage. Would consider Aluminum Heads. Rule limit CC and Valve Diameter. Intake Manifold with a limit of 2 Inch Hood rise. EFI Throttle Body Limit to Iron Blocks Common Engine Sizes like 355, 396 and 430 9 inch Stocker Slick Stock Fuel Tanks Full Interiors Super Boom Box Stereos :-) Would like to see a Fat Body Class for Ford LTD/CV's, Bonneville, Wildcats, Impalas, Dodges/Plymouth, Rebel AMC's included. D |
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#9 |
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Who are we kidding? None of this will ever happen anyway.
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#10 | |
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