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Old 02-16-2012, 07:16 PM
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Blueprints muscle series 23* heads SBC

Has anyone seen these yet? Right there in my summit book. There actually Looking good. Heres the specs. Aluminum, 195 intake runners, 75 cc exhaust. 64cc combustion chamber, 2.02 intakes 1.60 exhaust valves. Look like some serious power, better yet they start out fully assembled pair for $895. Hydraulic roller or for some flat tappet cams, valve spring height, open/closed lbs. and springs OD not specified. Just putting this out there, any guy wanting some serious SBC street heads for cheap, larger CR, blueprints got it.

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Old 02-17-2012, 11:34 AM
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Quote:
Originally Posted by chevy302builder18
Has anyone seen these yet? Right there in my summit book. There actually Looking good. Heres the specs. Aluminum, 195 intake runners, 75 cc exhaust. 64cc combustion chamber, 2.02 intakes 1.60 exhaust valves. Look like some serious power, better yet they start out fully assembled pair for $895. Hydraulic roller or for some flat tappet cams, valve spring height, open/closed lbs. and springs OD not specified. Just putting this out there, any guy wanting some serious SBC street heads for cheap, larger CR, blueprints got it.
I have emailed Summit and asked for the flow numbers @28" water.
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Old 02-18-2012, 04:16 PM
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Quote:
Originally Posted by techinspector1
I have emailed Summit and asked for the flow numbers @28" water.
Once you have the flow data, could you share?
Has Blueprint done this before with cylinder heads?
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Old 02-18-2012, 08:19 PM
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Quote:
Originally Posted by Dru from Blueprint
The castings are made over seas, like some others. We assemble them ourselves in the in USA. They are not Pro-Comp, they're ours. The flow numbers I'm posting here are from our own bench, which uses Audie Technology software and sensors. I would point out that our bench is calibrated with plates, when we test other brands of heads most of the very good higher end brands match up with what the companies that make them claim, so it compares well. On our Bench, these heads do not out flow all the competitors, the high end brands flow better, but we flow better than some of the lower end brands. As of now these are only available with an as cast port and chamber. We have used a lot of these heads on engines and have not had any problems with the castings. The valves we use are made in the US and South America, pretty much the same valves that just about everyone uses. Same deal with springs and retainers, pretty standard items. I donít have any cutaway pics, but I would not characterize these heads as having extra thick decks for big time power adders, but they are very good normally aspirated.



At 28 inches H2O



Exhaust Intake

.100 54.9 69.9

.200 101.6 128.9

.300 141.6 178.1

.400 156.5 213.3

.500 167.9 245.1

.600 171.2 242.1
As posted last summer on Chevelle Tech.

I would do a Google search for more info on BluePrint and their parts.
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Old 02-19-2012, 12:54 PM
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Blueprint...(rounded to the closest whole number)
0.100" valve lift, 70 int., 55 exh.
0.200" 129, 102
0.300" 178, 142
0.400" 213, 157
0.500" 245, 168
0.600" 242, 171

Let's compare them to the L31 heads....
0.100" valve lift, 70 int., 48 exh.
0.200" 139, 101
0.300" 190, 121
0.400" 227, 140
0.500" 239, 147
0.600" not published
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Old 02-19-2012, 05:49 PM
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You get what you pay for. Those would be a solid candidate (power-wise) for a street cruiser that occasionally sees the strip. A 355 or a 383 with correct parts would make decent power but nothing extraordinary. Maybe 375-400horse out of a 355 or 400-425ish out of a 383 with a good cam, performer rpm intake and 750 carb. You'd need a really big cam, a victor style intake and an 850 to get up near 500. For $895 they seem like a good deal, but you might have to swap springs for whatever camshaft you are running. You NEVER buy springs based solely on "IF" they can handle the amount of lift. It cracks me up when I see heads sold with springs that say "Good to .600" lift". Oh yeah? Slip a stock eliminator cam in there and see what happens, lol. Don't get me wrong, it's cheaper to buy heads fully assembled but buy them right from the manufacturer who can install the EXACT spring you need for your application. If I was building a total budget build I would consider these heads but if I were to be building something that may see some strip action i'd spend $300-$500 more and get something from AFR, Dart, TFS, etc, that flows near 300cfm with a similar sized port. I really like the new 21 degree TFS head btw.
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Old 02-19-2012, 11:37 PM
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Low and mid lift flow is especially modest for a 195cc port head.

But it is a low cost and as cast head and the numbers and discription are at least honest. If rhe casting and basic machining is decent, then might be fun to port them up and see what they can do.

I still like my Summit Racing SUM-162111/Brodix IK200's.

A lot of bang for the buck.

The coming soon new 220cc SBC Blueprint head is interesting. Have to keep an eye out for it.

Have any of the head porting shops played with these yet.
(DR J's etc)
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Old 02-20-2012, 06:42 PM
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Is it a USA made head or just a re-badged ProComp? Flow numbers are real close to the gen3 PC 195s.

Bryce at Dr.J has a killer 220CNC head from a PC casting.
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