Pro-Filer 195cc flow on 4.060 bore.

Cylinder Head and Manifold Discussion

Pro-Filer 195cc flow on 4.060 bore.

Postby Chad Speier » Wed Aug 31, 2011 12:47 pm

I thought I'd take the time to post a picture and flow curve from a 2.02, 195cc Pro-Filer on a 4.060 fixture.

This is also a straight plug.

.200 140.2
.300 200.2
.350 226.8
.400 246.9
.450 264.0
.500 274.5
.550 279.0
.600 280.4
.650 281.9
.700 283.8
.750 286.5


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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby Orr89rocz » Wed Aug 31, 2011 2:38 pm

Looks good! Any reason to flow these up at higher lifts (near 1 inch) like your other heads to see if flow keeps increasing, or does it not really matter with these smaller runners/valves?
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby Chad Speier » Wed Aug 31, 2011 2:56 pm

Orr89rocz wrote:Looks good! Any reason to flow these up at higher lifts (near 1 inch) like your other heads to see if flow keeps increasing, or does it not really matter with these smaller runners/valves?



It matters, but this is a .550 FT street deal. It has a as-cast SSR height. I could have mowed it down, but that would have been an as-cast 210! LOL.. It will start the other way at about .775 lift however.

Street car and a 4.060 355 cid.

PS. Call me when you get caught up.. I'm ready to ship.
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby Orr89rocz » Wed Aug 31, 2011 5:07 pm

Thanks chad. I was waiting for you to call me! lol sorry about that.
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby mebe007 » Wed Sep 07, 2011 7:35 am

Well these sure look familiar :twisted:
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby Chad Speier » Wed Sep 07, 2011 12:48 pm

Let's try this! Everything is ready!!


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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby mebe007 » Wed Sep 07, 2011 1:43 pm

All right all right all right. everything will soon be on its way. Hope to get the motor together in the coming months. Im so excited about it. Just difficult to find the time with my work schedule. This is my first time running an aftermarket head and i wanted to make sure i did it right the first time.

For everyone's knowledge this is for a street car as Chad mentioned. it will see some track time, but it was a first car that i want to keep around as a nice pavement pounder.

in a nutshell we are looking at a 350 with a 4.060" bore and standard stroke.
Will be using a howards retro roller cam, specs:
Advertised Duration: 286/294
Duration @ .050": 233/241
Valve Lift w/1.50 Rockers: .530/.545
Lobe Separation Angle: 112
Intake Centerline: 108
Valve Lash: Hyd./Hyd.
2400-6000. Lopey idle, hot street & bracket racing. 10.0:1-up CR advised

Edit: ( weird though how summits info is a little different:Cam Style Hydraulic roller tappet
Basic Operating RPM Range 2,400-5,800
Intake Duration at 050 inch Lift 234
Exhaust Duration at 050 inch Lift 242
Duration at 050 inch Lift 234 int./242 exh.
Advertised Intake Duration 294
Advertised Exhaust Duration 302
Advertised Duration 294 int./302 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.533 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.548 in.
Valve Lift with Factory Rocker Arm Ratio 0.533 int./0.548 exh.
Lobe Separation (degrees) 112
Camshaft Gear Attachment 3-bolt
Computer-Controlled Compatible No
Valve Springs Required Yes
Camshaft Manufacturers Description Rough idle, Hot Street and bracket racing. 10.0:1 and up compression ratio advised. 2,800+ stall.
Quantity Sold individually.
Notes Retrofit roller cam for engines that did not originally come with a roller cam.)

this in front of a manual reverse th350 with a 3.73 rear in a 3600lb 80regal.

nothing spectacular, but a nice ride. surely not a full drag car like alot of guys here have.

i suppose once it is all together i will update with results.

Chad, you wouldn't mind me posting pics of the progress would you?
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby mebe007 » Wed Sep 21, 2011 4:36 pm

got the heads and intake and boy does it look great. going to start building in the coming weeks.
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby Chad Speier » Wed Sep 21, 2011 7:26 pm

mebe007 wrote:got the heads and intake and boy does it look great. going to start building in the coming weeks.


Glad you liked everything. Keep us posted on the build!
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby mebe007 » Tue Nov 01, 2011 10:29 pm

Here is an update as promised

got to work on the motor tonight. all was well with some bumps in the road. apparently you cant use the nice 12 point stainless arp bolt with the cloyes cover, so we had to grind them down a bit to fit. that was fine. next issue was the powder coater got powder in places he wasnt supposed to. so had to spend some time cleaning it out. lastly was the most upsetting. my heads were ordered with 3/8 studs ( at least I thought so) and tonight we realized they were shipped with 7/16 studs. so now i need new rocker arms. but i dont mean any of that to be taken the wrong way

so anyways we got together everything we could this evening. now just waiting to get new rockers and finish it up. my buddy and i assembled it this evening in the machine shop at which he works.

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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby Chad Speier » Wed Nov 02, 2011 7:06 am

Coming along well!

The studs are not an issue, I can send you 3/8 if you want. Just send the 7/16 back in the same box.

Let me know, no problem.
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby mebe007 » Wed Nov 02, 2011 7:32 am

Which would I be better to run?

Now I do have a concern regarding exhaust ports. Will my headers work ok? They are hooker 2451 for standard port small block chevy. If not I need to find a header to clear my manual clutch linkage
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby mebe007 » Mon Jan 16, 2012 5:05 pm

Just an update. I been dragging my tail but the motor is finished
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Chad I just ended up ordering some 1.6 scorpion roller rockets for 7/16" studs. Figured itd be better in the long run for valvetrain stability. Now once I get the rest of my driveline together ill let tag know how she runs
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby Solidus » Wed Apr 25, 2012 1:41 pm

Did you ever put this engine in anything or dyno it? Really interested in track numbers also to see how much power its making.
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Re: Pro-Filer 195cc flow on 4.060 bore.

Postby mebe007 » Wed Apr 25, 2012 2:50 pm

Sure did, just the other week actually. Things have been slow but steady. Life keeps getting in the way. Hope to have it fired off by next weekend.
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I update this thread pretty often
http://www.gbodyforum.com/viewtopic.php?f=25&t=2983
I must tell you chad I am very excited to run this thing. It will be a while before I can dump it or take it to the track but I'm looking forward to just driving it
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