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Old 10-07-2006, 09:45 AM
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help needed to build a blown small chevy

hey guys ,

i already have a short block with forged blower pistons , and h beam rods

i need some help chosing heads, cam, and ignition

im looking for power in the 500 range thats streetable

i already have a digital msd 6 box , and i could add on a boost timing master or could trade it out for a msd6 btm box

what heads should i go for and cam ?

any help would be greatly appreciated

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Old 10-07-2006, 11:17 AM
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MSD makes an add-on BTM module for universal applications (MSD-5462) and one for MSD boxes (MSD-8762) which works only for vacum advance distributors. I'm using the BTM-6 (MSD-6462) myself and haven't needed to use the retard function yet, still getting used to the awesome power this thing makes. I'm running 18-20 deg initial and 38 total all in at 3k with an MSD centrifugal dist.

What you require depends on your cr, amount of boost, etc. I would definitely use aluminum heads, they run much cooler and help with detonation. I'm using Dart Pro-1's with the big runners and valves, head preference is sometimes hotley debated by some, do some research.

I'm also using a Lunati solid roller with Isky Red Zone Lifters, they have good lubrication to the rollers. There are some others that are just as good or better nowadays. All depends on how much maintenance you want to do, the valve train demands attention especially in a solid setup.

This is on a 383 SBC, 8-71 motor. On a blower or turbo motor, 500 reliable hp is easily attainable. Camaroman7D and several o0thers have a wealth of knowledge with boosted applications, and helped me limp along in my early stages.
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Old 10-07-2006, 02:54 PM
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For Heads I like the Edelbrock E-Tec200 heads.Although they might only come in a 64cc.Another good one is the world products Sportsman lite heads.They come in either 64cc or 72cc.and 200cc runners.A good cam choice would be 12-568-4 comp cams.It will really give you a pro street sound.I'd use a 6-71 blower with it.And a Stickshift or a Stall in a automatic.
specs are as follows:
284/305 adv. dur.
240/253 dur. @.050 lift
.507/.525 lift
113 LSA
108 intake centerline
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Old 10-08-2006, 09:19 AM
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heres the thing im leaving out , i already have a blown 358 with dart iron eagles with 2.08 1.6 valves , and they are fully ported to the max , i have a 671 with 2 predators on it and a full solid cam with .640-.620 lift and i think 268 duration at .050 and a 108 centerline

i ran it a few times this year around town , got about 20 miles on it and pushed a head gasket , replaced them with mls gaskets and it runs great now ,,, but going into winter here in central pa i wanna make it more streatable , i would like o sell of the dart heads and cam setup and go low budget

i am looking into hydrualic flat tappets and cam and also looking at summits heads here is the link

summit heads

they look like a good cheap head and have a max lift of .520

i think they should be able to support good power

you guys may be asking your self why sell the dart heads and stuff , well i did the drag race stuff , for 4 years , im tired of wasting and spending money on this car , and within the next few weeks i may be taking up a new job which wouldnt let me play with the car much and id like to get the car where i can just jump in it and go , and not adj valves or adj carbs before i go on a 50 mile cruise
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