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03-07-2004, 04:26 AM
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which head to use?
Hi Guys
I hope you guys can help me I have a '68 camaro with a 454 big block bored 0.03 over it has a edelbrock alu torker intake, with a 1" carb spacer, a speed demon 750 vac, and iron heads with casting number 14092360, GM-2, F080. Witch I think is a 117cc open chamber truck head with oval ports. After searching the web most say that this isn't the best head.. ? So here is the question: I also have a reconditioned head with casting number 3917215, CONV4, GM4T lying around according to my info this is a 101cc close chamber head. Wouldn't this head raise cr. and therefore power and will it fit the otherwise stock block? If it fits what kind of power could I expect? One last note do any of you have any experience with comp's new beehive valve springs. I read car craft's review and it seems like the thing to get... ?? Sincerely Sune Larsen btw. this is my first post, hope it is ok.. 
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03-07-2004, 05:27 AM
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Yes the earlier head would not only give you a compression boost, they breathe better!. Larger intake ports. The downfall is that they are not compatible with no-lead gas(unless converted) and they use the "N" series spark plug. The beehive springs have been around since the seventies, but now I see a push to market them again since GM (and others) has been using them in motors for a few years now. Yes they work well on street type and mild competition motors. I used them in small block circle dirt motors way back when and they cured some spring breakage problems.
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03-07-2004, 06:52 AM
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Hi again
Thanks for the quick reply. would 95 octan leaded be okay? Sune Larsen
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03-07-2004, 07:09 AM
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NO LEADED GAS IN N. AMERICA. DO THEY STILL HAVE IT IN DENMARK ? MOST AFTERMARKET HEADS NOW ARE BUILD WITH HARDENED VALVES FOR UNLEADED FUELS. YOU'RE RUNNING AN EDELBROCK INTAKE WHY NOT GO WITH AN EDELBROCK ALUMINUM HEAD, BETTER FLOW NUMBERS AND COMPRESSION. I HAVE A '69 427 L88 WITH EDELBROCK ALUMINUM HEADS, DEMON CARB, NOS, ETC. PUTS OUT 580HP ON PUMP GAS / 930HP W/ 350 NITROUS SHOT.
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03-07-2004, 07:10 AM
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Yes.
__________________
Luv the smell of NITRO in the morning.
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03-07-2004, 07:17 AM
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Hi bulletnose
Yeah we still have leaded gas, or actculy it is an lead additive, not like in the old days.. About the alu. heads you suggested I would very like to get a pair of those, but it really costs a bundel to import anything from outside EU. Ontop of all the shipping and handling I have to pay some stupid tax of + 40% :-( Sune Larsen
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03-07-2004, 07:58 AM
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YOU NEED TO FIND A FRIEND YOU CAN TRUST IN CANADA OR USA WHO CAN BUY YOU A SET OF HEADS AND SHIP THEM TO YOU AS A GIFT THUS ELIMINATING THE IMPORT TAXES. JUST A THOUGHT....................
HEY SUNE............. CHECK OUT MY 1950 STUDEBAKER RESTO-ROD PROJECT. http://www.angelfire.com/super/1950bulletnose BLOWN 355 SBC - RICHMOND 5 SPD - 8 3/4 POSI DODGE - AIR RIDE - ETC. PICS OF MY NITROUS 427 L88 ON MY PARTS FOR SALE PAGE. Last edited by 1950bulletnose; 03-07-2004 at 07:58 AM.
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03-07-2004, 08:16 AM
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Yes that would be nice, but I'm still on a tight budget, so at least for now I think I'll try the 3917215 head and see if there is substantial gain to be had ...
Sune Larsen Quote:
Unfortunately I don't have any pictures of my car, but right now it is at the painter. It is a '68 camaro with tail lights from a '74 corvette and a 2" cowl fiber glass hood. otherwise it is stock. It is going to be painted metallic blue (8M6). sune Last edited by sune; 03-07-2004 at 08:16 AM.
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03-07-2004, 01:44 PM
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Hvad så der??
nice to see other danes in here.... and even better to see one with the right engine
ps: (hvor i landet er du?)
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