ProComp BBF flow numbers large valve too... - Page 5 - 460 Ford Forum
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post #61 of 68 (permalink) Old 11-11-2018, 12:08 PM
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pro comp new head or old ?

do we have any info on these heads with 7 bars on the exhaust side of castings ?
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Last edited by titaniumfreak; 11-11-2018 at 01:15 PM.
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post #62 of 68 (permalink) Old 11-13-2018, 10:09 PM
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Great Post Scott, Thanks for the information.
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post #63 of 68 (permalink) Old 11-14-2018, 12:24 PM Thread Starter
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Cool

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Originally Posted by Martes17 View Post
Great Post Scott, Thanks for the information.

Sure thing.

What I have found out since the original post...

In NA applications the PC heads with a proper valve job, assembly and port work are NO better than Iron castings. However...

In forced induction applications they seem to work quite well.

We do not use them often. We usually get client provided ebay large valve heads thrown together with no seat or bowl work and have to completely remachine them.




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post #64 of 68 (permalink) Old 11-26-2018, 12:42 PM
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What kind of flow bench? and what fixture and methods where used to collect the wet flow data?
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post #65 of 68 (permalink) Old 01-23-2019, 03:45 AM
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Help, im having alot of trouble in my engine, i think its because of the radiator, which causes my car to burst out hot air
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post #66 of 68 (permalink) Old 02-28-2019, 03:47 PM
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Missed this thread during all my searching... This is indeed the information that I was after and I'm sure other people were too. Thanks for unearthing this thread!!
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post #67 of 68 (permalink) Old 07-30-2019, 03:48 PM
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7 bar aluminum castings billed on ebay as procomp heads

Saw this thread and Titaniumfreaks question went unanswered about whose heads had the 7 bars cast in them.

It is a company that sells on online and bills them as procomp. They are not procomp.

They are sold by shaw city engines and the owner claims they are the same manufacturer as procomp with proper machine work and valves, springs etc.

He has some pretty significant claims as to flow rates which I question.

The guy Alan who I spoke to about heads was not a really pleasant guy to talk to when I started asking questions.

I just bought a set being told they were procomps.
So I am interested to see what they are all about.
So I am really interested to see how or what they really are.

Talked with a rep at procomp and they definitely are not theirs.

My guess looking at some of the companies feedback is that they likely aren't a great value and likely better off to spend your money somewhere else.

I'll keep all info I find up here.

If anyone else has any experience with them let me know it may save me sometime.

As for the money I spent on them it's just the cost of education sometimes.
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post #68 of 68 (permalink) Old 08-11-2019, 10:31 PM
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i am using them on a 545 dual throttle body fitech fuel injected motor with a don Hampton 871 and they run great I am happy with them I ordered them off of ebay simply to save weight I ran them at 12 overdriven with my piston that put static at around 15:1 and I currently am running them at 9.8 under that put static at around 12:1 no issues so far
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