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Discussion Starter #1 (Edited)
I just got in from Owensboro , I will post a video of a dyno pull later. I am pleased and very impressed with my new bracket engine to say the least. :D


RPM TQ HP
5500 763.9 800
5600 767.1 817.9
5700 767.5 833
5800 771.3 851.8
5900 776.2 872
6000 786.9 899
6100 785.5 912.3
6200 780.9 921.9
6300 776.5 931.4
6400 768.5 936.5
6500 760.2 940.8
6600 752.9 946.1
6700 745.2 950.6
6800 734.2 950.6
6900 724.1 951.3
7000 713.3 950.7
 

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Ky, Those numbers are impressive *** hell!
 

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wellllllllll i smell a "Rumble in the Jungle" uncle charlie has been burning the mid night oil and his porting toolz hasent cooled off yet.
 

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I'll be the KY Speed Crowd needed a moment to themself's after those pulls, Wow !!!
 

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I'll bet Charlie and Lem needed a moment to themself after those Numbers......LOL
 

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Looks like it has already become time for the "TFS street head mafia" to step up to the plate again.
 

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no 4.5" stroke, no crank trigger. 8mm plug wires..............:D


Dont worry, a 562 street head mafia combo will be in the works soon.....;)
 

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Man Ky ...I'm glad you finally posted this....I've been having trouble keeping my mouth shut all winter;)I feel better already:D:DGreat #'s:cool:
 

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I just got in from Owensboro , I will post a video of a dyno pull later. I am pleased and very impressed with my new bracket engine to say the least. :D


RPM TQ HP

6000 786.9 899
6100 785.5 912.3
6200 780.9 921.9
6300 776.5 931.4
6400 768.5 936.5
6500 760.2 940.8
6600 752.9 946.1
6700 745.2 950.6
Those are some stought numbers.....what do those heads flow ? And can you share the cam numbers ? Compression ?

Very nice.

G-Code :D
 

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Impressive

WOW, those are some mighty impressive numbers. Nice job to you all. This makes me anxious to get my deal running.

Vern
 

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EXTREMELY nice build. Let us know a few more details if possible. I wonder what
it'd do with one of Kaase's cast tunnel rams and 2 dommies. 1,000hp?
 

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4.560" X 4.300" X 6.800" Oliver rods .
14.5/1 comp ratio .
QFT 1250/Jomar PowerCone spacer/Q16 fuel .
Danny Bee timing belt system .
.040" Cometic head gaskets .
A460 FRPP block .
Innovators west damper .
MSD 351W dizzy [light silver springs and black bushing] w/460 bronze gear .
Custom Diamond pistons with a nano dome .
ARP Blue Thunder/P51 head stud kit .
Jomar stud girdle kit .
Kaase oil pump w/FRPP HD shaft .
Custom aluminium BFEvansRaceParts oil pan w/kickout .
20W-50 VR-1 Valvoline oil and Jomar filter .
AR-3934 plugs and MSD 8mm wires .
P51 heads - "loved-on" by Charlie/Lawes .
 

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Is that the "EXPERIMENTAL" TrickFlow Dominator intake manifold on that beast...?
 

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Is that the "EXPERAMENTAL" TrickFlow Dominator intake manifold on that beast...?

Randy,

The TFS Street Mafia R&D manifold was run on Thursday, then Friday morning I switched over to his FRPP Edelbrock Victor manifold. I had previously fully ported and worked the plenum of his Victor so it would be an apples to apples comparison.

The TFS Street Mafia was worth 10 HP comparing peak Hp to peak Hp. At 7000 rpm to 7000 rpm it was worth 18 Hp. Even at that, I had a little bit of port mismatch with the TFS piece.

The Victor showed a little more Hp in the 5500 rpm to 6000 rpm range. Very little. By 5900 - 6000 rpm the curves crossed. I believe the video was shot on Friday evening, so the Victor was on.

Hope this helps,
 

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Guys, A few months ago Tore Arvidson asked the question what was the "Most HP Made" with P-51 heads in this section of the forum. At that point in time, nobody had really gotten after "it" as far as I knew. I'm willing to tell a little more about the engine, because I think it's worthy of being studied, however in the past when I've done so, it just seems that we've painted a target on our chest and those with a Napolean Complex have started shooting. Hopefully that won't occur again.

First off, this engine build was Lem's idea and as Randy has already said it's a bracket racing engine. To further explain,,,, no it did not have a dry sump, it had a Kaase oil pump and a BF Evans Race Parts alum. oil pan. It did not have shaft mounted rockers, it had stud mounted rockers with a Jomar girdle. It did not have a vacuum pump, it didn't even have a crankcase evacuation sytem, just a couple of breathers in the valve covers. No, it did not have "special dyno headers", at the end of the day Randy's homemade 2.250" door car headers made just as much power when we tested them. It did not have a "special dyno carb", it had a QFT 1250 tuned by Phillip Oakley and he'll be glad to sell you one.

As far as the questions about cam specs, no it wouldn't be right to give out that info. However, if you want a custom ground Comp Cam for your application, Lem will be glad to sell you one. I will say, that we moved the cam. ( in regards to advance/retard) a total of three times, in order to find the "happy position",,, or G-spot as Lem calls it.:) It's well worth the price of a Danny Bee belt drive just to be able to do that quickly on the dyno.

As for the heads, Lawes Mayfield and I fully ported them and redid the valve job. The flow numbers (average fo all eight ports) are;

Intakes;

.100=72.6, .200=155.3, .300=241.5, .400=325.6, .500=385.9, .600=412.3, .700=417.4, .800=418.5,,,,,for a total of 2,429.1 cfm and that total is very important. They ain't no other OEM style head out there, that can beat those P-51s.

Exhausts;

.100=53.4, .200=111.1, .300=153, .400=184, .500=215.6, .600=250.8, .700=264, .800=271.3 cfm ,,,,,for a total of 1,503.2 cfm.

Let me go on to say, that Tore Arvidson, Mike Stevens, Aaron Tippin, Darryl Jewell, Colin Griffin, and Dave Freelander all have a set of fully ported P-51s that I've done, that are essentially equal to these heads of Randy's, and they can make the same power and torque in their builds, with the proper parts selection.

During this dyno test, we tested 2 carbs, 2 sets of headers, 3 sets of collectors, and 2 intake manifolds.

In regards to manifolds. At our 2007 Winter Tech Seminar, guest speaker Jon Kaase said that they tried, but could not make a better single plane intake manifold than the FRPP/Edelbrock Victor. I believed him, but also I took it as a challenge. So we got busy, and Bob Hardison used two spools of wire weld on the outside of the TFS Street intake's carb pad to build it up. We spent hours with the manifold on the Bridgeport and then weeks porting it. Many of you saw it on display at the 2008 Winter Tech Seminar. I also flow tested the manifold with Randy's P-51 heads,,,,,and at the end of the day the manifold/head combo together flow 97.7% of what the bare heads flow with a radiused entry attached. I gave the dyno numbers in my answer to Randy Malik above. In addition to Randy's engine, we have tested the manifold on Blake the Snake's engine. On his 557 CID engine we saw a 17 Hp gain and 16 Tq gain, over his mildly ported Victor.

Hope this helps,
 
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