help with combo...

reddragon95

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ok im deff going boosted..so far im doing a zero balanced 306,power heads(cnc ported e7s)flow 215 in 175 ex...haven't come up with a suitable cam or intake,the blower is a vortech v3..havent decided what pulles will be needed to achieve the desired numbers..looking for 450rwhp.i have 355 gears,alum ds,centerforce df clutch and centerforce flywheel,255 in tank pump,and a g force trans.what i need to know is what cam to use and intake along with pullies for the blower.
 

Win

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Not being Rude but do you know how much easier and more cost effective it would be to go 28oz Imbalance or 50oz. The Zero balance isn't going to be as street able.

i guess a better question what research have you done to warrant this " Zero Balance"

Cost and street mannered you will be better off taking your stock 302 doing a simple rebuild. Don't spend money Honing it out just to say you can have a 306. If the block needs it then by all means do it. Get yourself some Aluminum heads and a V2 you will be more then happy with that.

I don't think there has been too much research done on your build. The cost your looking at getting a Zero balance Crank. Balancer and Flywheel/ Flex plate plus porting the ever living he11 out of your e7's your going to be spending as much as it would be to have a nice forged block.
 
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reddragon95

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Win said:
Not being Rude but do you know how much easier and more cost effective it would be to go 28oz Imbalance or 50oz. The Zero balance isn't going to be as street able.

i guess a better question what research have you done to warrant this " Zero Balance"

Cost and street mannered you will be better off taking your stock 302 doing a simple rebuild. Don't spend money Honing it out just to say you can have a 306. If the block needs it then by all means do it. Get yourself some Aluminum heads and a V2 you will be more then happy with that.

I don't think there has been too much research done on your build. The cost your looking at getting a Zero balance Crank. Balancer and Flywheel/ Flex plate plus porting the ever living he11 out of your e7's your going to be spending as much as it would be to have a nice forged block.
the e7s are allready done they came from power heads.com. the zero balance was done on my last 306, and just ran and reved so smooth..the machine shop i used told me about it on my first motor and after i dropped that motor in, it ran so nice...i havent been in a car that felt anywhere near as smooth as mine..my buddy shawn did a zero balance on his 347 and his is silky smooth also..so thats the reason..onyxcobra its not 215 cc runners..thats the flow not the size of the runner.and sn95gtvert i dont see the issue..on a new motor not broke in...(306 zero balanced,power heads,1.72 rocker,tfs1 cam,24lbs inj,old school rpm intake,70tb,76 c&l mass air,373 gears,mac LTs,off road x with flow cat back i made tuned 280rwhp 313tq...on a new unbroken in motor with 1000 miles on it..so i think a little boost should get low to mid 400.rz5.0 thanks i was looking at that cam..nice looking pit for your avatar...got one myself..105lb black brindle.
 

Win

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Ok well still the Zero Balance while it still may be smoother why not bump up to a 331 and use a 28oz imbalance. When i put my new HB and Alum Driveshaft and Alum flywheel on my almost 200k motor it's extremely smooth.

I guess what i'm trying to say is that why spend the extra money to have it done that way. When a 28 or 50oz can be smooth and you can even up the cubes a little while you at it. All while spending right at the same amount.
 
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reddragon95

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the issue is the heads...although cnc ported, cant support a stroker..the forced induction is the easy route.im just going based off previous experience with my other motor.the guy who bought my old car put an on3 turbo kit on it at 9psi and made 430rwhp...so im guessing 11 12 psi should do it for me..its not 450 exactly im going for just close to it.dont wanna split the block.
 

modo

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Win said:
The Zero balance isn't going to be as street able.

zero balance has nothing to do with street ability. zero balanced motor will have a internally balanced crankshaft which is better for rpm as there is less counter balance from the external weights. internally balanced will be able to rev higher safely for that reason.

for a 306 in a stock block with e7 heads regardless of how ported they are i would not waste the money on a aftermarket crank or rods. the stock stuff will take more power then the block so its a waste of money. i would spend the money on aftermarket hardware like arp main and rod bolts and would HIGHLY recommend a innovators west balancer with a blower hub.

.02
 
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reddragon95

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OnyxCobra said:
my mistake. at what lift do they flow 215? That's really not even enough for a head/cam/intake 302.
i believe its at .500 hope i did that right.last motor was stock crank and rods with speed pro forged pistons.billet flywheel and dont remember who did the balancer..but that was the zero balanced stuff.the heads were 300 to get em back.i just want a fun car again..i would have liked to do afr heads but anyone with 4 kids and a wife knows thats not really realistic...kids allways need somethin...wife allways wants something...so dad is last.so you do what u can when u can.
 
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reddragon95

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the powerheads are built for guys who run stock class racing where e7s are the only heads you can have and stock spec cams are all that's aloud..so u have to make the most of what ya got and make the car as light as possible....you can look at what they do by going to powerheads.com anyways the budget didnt allow my to get the fancy aluminums i dream of so ill do the best i can with what i got and with what i buy.so any addvise on intake manifolds and cams.
 

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