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Author Topic:   Pics of new cylinder heads...
jkilroy
Gearhead

Posts: 1719
From: Vicksburg, MS
Registered: Dec 99

posted 05-30-2002 12:10 AM     Click Here to See the Profile for jkilroy   Click Here to Email jkilroy     Edit/Delete Message   Reply w/Quote
I am not professional photographer, thats for sure, but here are some pics...

First shot, overhead looking down on the valves...

http://24.204.85.140:8080/images/bigblock/heads/DCP_1627.JPG

Here is a shot of one end showing the "Extreme Machine" script and mounting holes

http://24.204.85.140:8080/images/bigblock/heads/DCP_1628.JPG

Exhaust flange...

http://24.204.85.140:8080/images/bigblock/heads/DCP_1629.JPG

Intake flange...

http://24.204.85.140:8080/images/bigblock/heads/DCP_1630.JPG

Combustion chambers...

http://24.204.85.140:8080/images/bigblock/heads/DCP_1631.JPG

Couple shots down an intake...

http://24.204.85.140:8080/images/bigblock/heads/DCP_1632.JPG

http://24.204.85.140:8080/images/bigblock/heads/DCP_1634.JPG

Exhaust port...

http://24.204.85.140:8080/images/bigblock/heads/DCP_1635.JPG

------------------
Jay Kilroy
68' Fastback GT 390
"No such thing as a cam thats too big"

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clevelandstyle
Gearhead

Posts: 638
From: Connersville, IN
Registered: Jul 2001

posted 05-30-2002 12:34 AM     Click Here to See the Profile for clevelandstyle     Edit/Delete Message   Reply w/Quote

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Ben
Grabber Green '70 Mach I 351C 4V
Robbin Egg Blue '79 Fairmont 351C 4V

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pthornton
Gearhead

Posts: 598
From: Austin, TX USA
Registered: Jun 99

posted 05-30-2002 12:49 AM     Click Here to See the Profile for pthornton   Click Here to Email pthornton     Edit/Delete Message   Reply w/Quote
Looking good Jay!

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Larry Jennings
Gearhead

Posts: 540
From: Redwood City, Ca. USA
Registered: Apr 2000

posted 05-30-2002 01:34 AM     Click Here to See the Profile for Larry Jennings   Click Here to Email Larry Jennings     Edit/Delete Message   Reply w/Quote
Awesome pieces! They look like horsepower waitin to happen .

------------------
Whenever I feel blue I start breathing again!

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Ryan Wilke
Gearhead

Posts: 1501
From: Stanton, Michigan 49707
Registered: Oct 2000

posted 05-30-2002 12:18 PM     Click Here to See the Profile for Ryan Wilke   Click Here to Email Ryan Wilke     Edit/Delete Message   Reply w/Quote
So Jay, Are you going to put a set on your 460+ block?

How much do they cost?

Are the Intake & Exhaust bolt patterns as FoMoCo? What size valves?

Do these guys have a web site?

I think your pics were GREAT!!!
Thanks for sharing!!!

Ryan

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jkilroy
Gearhead

Posts: 1719
From: Vicksburg, MS
Registered: Dec 99

posted 05-30-2002 12:26 PM     Click Here to See the Profile for jkilroy   Click Here to Email jkilroy     Edit/Delete Message   Reply w/Quote
The heads are bolt on replacements for A460's, however the chambers and ports are different. They bolt up to a stock block but take an A460 style manifold, which they also make. The rockers are stock but they take special guide plates and custom length pushrods. And I found out you need TALL studs to clear these monster valve springs. The regular length BBF parts are at least a half inch too short.

They guys that make them are Flow Technologies and their web site is...

http://www.flowtechnologies.net/

They basically told me that these heads, out of the box, are what you would end up with if you got some A460's and did a major port job. They used a set of tricked out A460's as their guide. The entire package for heads, and manifold, complete with there "stage 1" hand work in the bowls and chambers is about $3700. Not cheap, but a lot more head than CJ's or Blue Thunders.

------------------
Jay Kilroy
68' Fastback GT 390
"No such thing as a cam thats too big"

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TomP
Gearhead

Posts: 4812
From: Delta BC Canada
Registered: Dec 99

posted 05-30-2002 02:30 PM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
Look good, what are you putting them on?

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jkilroy
Gearhead

Posts: 1719
From: Vicksburg, MS
Registered: Dec 99

posted 05-30-2002 02:36 PM     Click Here to See the Profile for jkilroy   Click Here to Email jkilroy     Edit/Delete Message   Reply w/Quote
These are going on a 545 that I have been collecting parts for as fast as the wallet allows. The cam will be a solid roller, 260/268 duration at .050 with .726 lift, ground on 112 lsa. Should be stout.

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V8 Thumper
Gearhead

Posts: 3467
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 05-30-2002 08:45 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by jkilroy:
Should be stout.

Oh yea, them shiny heads will move some atmosphere

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F551
Gearhead

Posts: 174
From: Manitoba, Canada
Registered: Nov 2000

posted 05-30-2002 09:13 PM     Click Here to See the Profile for F551   Click Here to Email F551     Edit/Delete Message   Reply w/Quote
Hmmm - probably never fit between the shock towers of a 68.

------------------
Fred
68 Mustang 500CID/Powerglide - "No Tubs"
86 Mustang GT Cobra

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jkilroy
Gearhead

Posts: 1719
From: Vicksburg, MS
Registered: Dec 99

posted 05-31-2002 12:43 AM     Click Here to See the Profile for jkilroy   Click Here to Email jkilroy     Edit/Delete Message   Reply w/Quote
F551, you are correct, those babies are either out of there totally, or at least are going to get a serious trimming. Chances are a Mustang II setup from Rod & Custom will be going in there.

------------------
Jay Kilroy
68' Fastback GT 390
"No such thing as a cam thats too big"

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TomP
Gearhead

Posts: 4812
From: Delta BC Canada
Registered: Dec 99

posted 05-31-2002 01:16 AM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
Hang on.... these are for a street car or race car?

I don't think they are an ideal choice for the street ,for a race car that cam may be too small to allow the heads to even work right.

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Buster
Gearhead

Posts: 780
From: Orlando
Registered: May 2002

posted 05-31-2002 02:08 AM     Click Here to See the Profile for Buster   Click Here to Email Buster     Edit/Delete Message   Reply w/Quote
I agree with TomP, I have run cams that size in a 351W.... More CAM!!!

btw, great looking Heads!!!

[This message has been edited by Buster (edited 05-31-2002).]

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jkilroy
Gearhead

Posts: 1719
From: Vicksburg, MS
Registered: Dec 99

posted 05-31-2002 09:39 AM     Click Here to See the Profile for jkilroy   Click Here to Email jkilroy     Edit/Delete Message   Reply w/Quote
These are for a street car guys, that will see occasional track time. No doubt it will be one rough sounding bad a$$ motor, but thats the goal. I have always wanted to build a ragged edge street car, one that scares mothers and small children.

The heads, in there current state, go turbulent somehwere close to .750, with port work they are good to .850. However, the flow numbers at .700 are 415 on the intake and 312 on the exhaust. I picked the cam I did because it gets past .700, but not by too much. By more cam I am guessing you guys want to see more duration? There is a similar cam, same lift, but the .050 duration numbers are 268/276, would this be better? I am basically copying a motor that Summit Racing built a while back and posted an article about, here is a link to it.

http://www.trickflow.com/articles/stroker_3/at_st_3_body.htm

The only real difference is that my motor is 25 cubes larger than the one in the article. That engine dynoed at 752hp at 6250 and 660 ft. lbs at 5250. It also had a nice flat torque curve, hitting 540ft. lbs by 3500 and never looking back, the motor was still making over 600ft. lbs at 6500.

The cam in that motor was a crane solid roller, with .718 lift on both lobes, and 268/278 duration at .050, ground on 110 lsa. I could just use this exact cam.

------------------
Jay Kilroy
68' Fastback GT 390
"No such thing as a cam thats too big"

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bluestreek
Gearhead

Posts: 1289
From: Athens,GA
Registered: Jul 2001

posted 05-31-2002 10:54 AM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote
[ " The cam in that motor was a crane solid roller, with .718 lift on both lobes, and 268/278 duration at .050, ground on 110 lsa. I could just use this exact cam."]

Now your talkin' !!!

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