My 598 TFS A-headed build

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Post  Copperhead on February 24th 2014, 3:04 pm

This is a Jet-Boat Bob build
 
Ford A-460 block
4.60" bore x 4.50" Scat 4340 crank
Scat 6.80 Rods w/ ARP 2000 bolt upgrade
Diamond pistons 14.4 compression
Comp solid roller Camshaft
TFS A-460 heads w/ 2.35 intake valves, stock castings, Un-Ported
A-460 intake w/ very minor clean-up work
Wet sump w/ Kaase pump
Quick Fuel 1450
Renegade 112 fuel
 
The results are in,.....
Anyone care to make a guess on what it made?
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Post  61coon on February 24th 2014, 4:36 pm

1080?
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Post  IDT-572 on February 24th 2014, 5:03 pm

PM me some cam numbers so I can get close.
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Post  IDT-572 on February 24th 2014, 5:18 pm

If it is a Lemuel Evans cam, it made 995 @ 6900
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Post  Copperhead on February 24th 2014, 5:21 pm

IDT-572 wrote:If it is a Lemuel Evans cam, it made 995 @ 6900

LOL


Yep,......It's one that Lem spec'd out.

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Post  IDT-572 on February 24th 2014, 5:24 pm

You better tighten up all your rear suspension bolts Shocked Twisted Evil 
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Post  bbf-falcon on February 24th 2014, 5:51 pm

Blake WILL be close. Smile  Nice build Wink 

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Post  windsor on February 24th 2014, 11:43 pm

Come on MAN! Don't keep us waiting!!!  Exclamation Exclamation Exclamation 

 Very Happy 
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Post  Copperhead on February 25th 2014, 7:57 am

My 598 TFS A-headed build 1604799_618148858233956_551608158_n


Last edited by Copperhead on August 16th 2018, 3:10 pm; edited 2 times in total
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Post  dirt_worker on February 25th 2014, 8:02 am

Nice build Keith!

Any thoughts on why hp peaked at 6500?

I woulda expected it to peak around 7000.

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Post  Copperhead on February 25th 2014, 8:41 am

dirt_worker wrote:
Any thoughts on why hp peaked at 6500?

I woulda expected it to peak around 7000.



I hadn't give it a lot of thought,..........BUT,... I'm actually glad it worked out like it did. This way I don't have to spin it to the moon to make the needed power. It'll be a lot easier on the valvetrain.

If I had to make a guess,.......the cam profile plays a major factor in it peaking where it did, as I told Lem when he spec'd it out, that I was planning on utilizing stock un-ported castings for the heads & intake.
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Post  windsor on February 25th 2014, 8:52 am

IDT-572 wrote:If it is a Lemuel Evans cam, it made 995 @ 6900


That is almost scary!


Awesome numbers sir. Stock heads, nice!!!
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Post  dirt_worker on February 25th 2014, 9:37 am

Copperhead wrote:
dirt_worker wrote:
Any thoughts on why hp peaked at 6500?

I woulda expected it to peak around 7000.



I hadn't give it a lot of thought,..........BUT,... I'm actually glad it worked out like it did. This way I don't have to spin it to the moon to make the needed power. It'll be a lot easier on the valvetrain.

If I had to make a guess,.......the cam profile plays a major factor in it peaking where it did, as I told Lem when he spec'd it out, that I was planning on utilizing stock un-ported castings for the heads & intake.

I'm guessing it wants more airflow...

I excited to hear how it runs!

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Post  ProStreetFairlane on February 25th 2014, 9:39 am

Twisted Evil 
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Post  460pulling on February 25th 2014, 10:21 am

Very nice build and numbers with un-ported heads. Jetboat does some nice work for sure.  Cool 

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Post  Lem Evans on February 25th 2014, 10:53 am

991.2 hp @ 6,300
991.9 hp @ 6,900

There is realy not a pronounced 'peak'.....looks flat to me.  Very Happy 

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Post  windsor on February 25th 2014, 11:15 am

What kind of converter/stall you going to put in there?
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Post  Copperhead on February 25th 2014, 11:32 am

windsor wrote:What kind of converter/stall you going to put in there?
 
I'm going to try to utilize my Ultimate Converter Concept 9" unit that I used on my previous 557 engine.  I might have to have it adjusted to suit this set-up, but I want to try it first and get a baseline before I send it in.
 
Heck,.....If I'm lucky it might be good to go.  Time will tell.
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Post  Lem Evans on February 25th 2014, 11:39 am

so, where did it stall?

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Post  Copperhead on February 25th 2014, 11:54 am

Lem Evans wrote:so, where did it stall?
 
It's been 2+ years since I ran the truck, BUT,.... "IF" I remember right,...
It would flash to around 5500 on the T-Brake.
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Post  windsor on February 25th 2014, 1:29 pm

Cool...hope the conv works out nicely.


Would love to see lower rpm torque numbers.
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Post  68formalGT on February 25th 2014, 7:41 pm

Very nice!! Unported heads too. Are they 18 bolt heads?
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Post  windsor on February 25th 2014, 10:23 pm

So are these the same heads you had on the old 557 that Seth originally built?
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Post  Lem Evans on February 25th 2014, 11:54 pm

no

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Post  windsor on February 25th 2014, 11:59 pm

Ah. Yes, recall now that was sold a second time. Thanks, Lem.
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