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Old 03-01-2009, 07:57 PM
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350 chevy heads

I want to buy these heads for my 1975 350 chevy the guy is asking $300.00 for the pair my plan is to do a full rebuild on my engine and bore it 30 over. it will only be a street car but i want it to move what does any one think i should do this is my first rebuild . I am open to all suggestions the engine is going in to a 1987 olds cutlass supreme G body 350 turbo trans. (I have a set of 350 chevy heads that was completely redone. They have been ported and polished,decked .30,1.94s and 1.60 stainless steel valves with 195lbs springs. They are 76 cc chambered..They was on my new race car engine when i bought it but i am taking them off and putting my 2.02 camels backs on so i dont need them. They guy we bought the engine from said the heads alone was almost 600 in work at machine shop)

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Old 03-01-2009, 08:21 PM
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350 chevy heads question

ported and polished,decked .30,1.94s and 1.60 stainless steel valves with 195lbs springs. They are 76 cc chambered. Will these heads give my 350 chevy some power i want to buy them i need any help i can get please reply. the guy wants 300 for the pair.
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Old 03-01-2009, 08:28 PM
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help me please
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Old 03-01-2009, 11:55 PM
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what heads are you buying?
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Old 03-02-2009, 01:53 AM
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I would sell the camel backs and the heads you have and get a set of vortec heads and be done with it. The vortec head is far superior than any of the older design heads and will give you 30 more horses right out of the box.
As for it being your first build I`ll give you these suggestions. When you get it back from the machine shop and your ready to build, clean it, scrub the bores so you get all the hone grit out of them. If the hone grit is left in and you build it, the rings and bearings will be wiped out. We used a toilet brush and sea foam to scrub the bores, then do the wipe test using WD40 and a white napkin, if you wipe the bores and get gray on the napkin, keep scrubbing. As for the rest of the build, think conservative on cam and carb choices. Keep everything in order, and something comes up that you have questions about come here and ask. Building a SBC is easy and a good engine to learn building skills on.
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Old 03-02-2009, 04:34 AM
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600.00 in nothing most good shops (or maybay i deal with rippoffs) want 350 just to do the, disasambly,cleaning, machine work,and asambly.. all the trick parts are extra. comes out to be about 900.00 when done
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Old 03-02-2009, 05:52 AM
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Quote:
Originally Posted by pena0724
ported and polished,decked .30,1.94s and 1.60 stainless steel valves with 195lbs springs. They are 76 cc chambered. Will these heads give my 350 chevy some power i want to buy them i need any help i can get please reply. the guy wants 300 for the pair.
If they've been milled .030" it would make them about 72cc chambers. This will only raise the compression ratio about .3 or 3 tenths.
Are the springs 195lbs. closed pressure? If so they're set up for a solid roller cam.
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Old 03-02-2009, 07:09 AM
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