engine advice
engine advice i have a 06 lq4 i want to freshen up. will be used for drag racing and demo derby engine. is gm hot cam a good choice? p/n 12480033. and freshening up one for a friend of mine his will be strictly derby engine. can i use same cam? or is thee a better cam choice? where can i get internal parts?
We have many sponsors on the site that can hook you up with internals.
The hot cam is EFI oriented, I have been tempted to try it out with carbed setup anyway. If I remember it has a 112 LSA. That is OK for a carb. A 110 or less is better. There are carbed grinds available, which may be a much better option in genereal. Not to mention the hot cam has only .525 lift.
The hot cam is EFI oriented, I have been tempted to try it out with carbed setup anyway. If I remember it has a 112 LSA. That is OK for a carb. A 110 or less is better. There are carbed grinds available, which may be a much better option in genereal. Not to mention the hot cam has only .525 lift.
want to get familiar with these engines (what they like and what they don't) before i worry about swapping out hi proformance parts. i read this article from car craft. that's why the interst in that cam.
http://www.carcraft.com/projectbuild...4_short_block/
http://www.carcraft.com/projectbuild...4_short_block/
have a 76 camaro. 4:10 rear, power glide tranny, weighs around 3200 pounds. want to keep stock bottom end, 317 heads, victor jr intake, msd 6010 ignition and run on alcohol. want to run mid 11"s. can i do with just cam swap. if so what good choice.
If you want them fresh again send them our way. We can get the short blocks set up with new pistons in 370ci or LS3 376ci build with moly rings, clevite main/rod bearings, Durabond cam bearings, high speed internal balance, inspected and ready to go for $1699. We also offer forged upgrades for higher HP.
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You would have to mill considerably less for those which would make for a better fitting intake as well as making the compression alcohol friendly...the best choice would be 243s since they have the smallest combustion chamer while still retaining the bigger intake and exhaust ports/valves over a 5.3 head (706) which has a smaller chamber but also smaller ports and valves...
did a leak down test. at 90 psi cylinders 1,3,5,7,2 and8 were between 84 and 88psi. cylinders 4 and 6 leaked out exhaust valves . so i have to take head off to fix. I've been doing some research and better off to bolt on 241's or 243's if lucky enough to find a set of with out having to pay an arm and leg.
