87-95 SBC cylinder head selection - Hot Rod Forum : Hotrodders Bulletin Board
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Old 06-17-2011, 01:59 PM
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87-95 SBC cylinder head selection

I am building an SBC (first time), it is a '92 truck block 350, .030 over, stock bottom end, flat top pistons (well almost flat top, have the valve reliefs). I started buying parts before I found out that the stock heads are junk, so I also have a Weiand Stealth intake with the 87-95 bolt pattern, an edelbrock 650 carb, a lunati voodoo 60103 cam (268/276 .489/.504), and comp cams 1.6 roller tip rockers. I am searching for a set of heads that will match this combination. I am looking for a CR of 9.5-10:1 to keep it pump gas friendly. I used what looks like a pretty standard gasket set from fel-pro, but I can't find info on what the compressed head gasket thickness will be, and I also don't know what the piston to deck height is. I know the machinist had said he didn't need to take any material off the deck. I'm pretty overwhelmed by the number of combinations of runner size, valve size, flow numbers, cc, etc. This will be a street motor with a manual transmission in a light pickup. Any advice for a first time engine builder is greatly appreciated.

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Old 06-17-2011, 02:15 PM
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sell weiand intake, and pick up a set of Vortec heads and a Intake that fits them.

btw, TBI and Vortec heads have 64cc's, with a flat top piston they work out to like 10.5:1.
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Old 06-17-2011, 02:35 PM
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Depends on $$$$$$, and how agressive you are as a driver. Cast iron or aluminum?

Compare various cylinder heads in the 180-195cc intake volume.

2.02" intake / 1.60" exhaust.

High swirl chambers.

Cast iron, Dart or World Products; aluminum, I like AFR personally.
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Old 06-17-2011, 02:55 PM
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Looking at the Dart Iron Eagle's, 72cc, 165cc intake runners, 1.94/1.50's. This will just be a weekend hotrod that'll never see a track. Really good price, anyone running these?
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Old 06-17-2011, 04:23 PM
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Those are pretty close to a set of Vortecs and the Vortecs will be cheaper. You'll need to do some guide work for the cam, because of the lift.

What about the 180cc World Products Sportman II's? 2.02" / 1.60" valves, 222 cfm at .500" lift, room to grow if you add more cam to it.
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Old 06-17-2011, 05:29 PM
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Tough to beat the cast iron heads from Racing Head Service...
http://www.crankshaftcoalition.com/w...vice_SBC_heads
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Old 06-17-2011, 05:59 PM
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Thanks guys, just found a set of vortecs locally that have already been machined for a bigger cam, $350. Even with having to buy another intake thats quite a bit cheaper than anything aftermarket.
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Old 06-17-2011, 06:46 PM
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Quote:
Originally Posted by techinspector1
Tough to beat the cast iron heads from Racing Head Service...
http://www.crankshaftcoalition.com/w...vice_SBC_heads
+1 on that.

Folks get the revelation that the heads are the key, money will get saved.
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Old 06-18-2011, 05:53 AM
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Quote:
Originally Posted by jjc839
Thanks guys, just found a set of vortecs locally that have already been machined for a bigger cam, $350. Even with having to buy another intake thats quite a bit cheaper than anything aftermarket.
Good deal, you will love those heads.
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