C5AE 289 Heads - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 31 (permalink) Old 01-19-2010, 04:26 PM Thread Starter
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C5AE 289 Heads

289 head potential . . . if you have facebook you'll be able to see them. sorry for the inconvenience, but i have a feeling a majority of you are most likely on facebook.

Christopher Gregg | Facebook

Christopher Gregg | Facebook

Christopher Gregg | Facebook

Christopher Gregg | Facebook

Christopher Gregg | Facebook

Christopher Gregg | Facebook

Christopher Gregg | Facebook

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post #2 of 31 (permalink) Old 07-04-2010, 02:15 PM
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Re: C5AE 289 Heads

WHOA! Dude, what do you charge to do head work? lol that looks awsome!

'66 Fastback 289/c4: Edelbrock Performer 600cfm carb, spacer and intake manifold, Pertronix ignition, Tri-y headers, Grab-a-trak suspension, dual 2" exhaust, B&M Shift Kit, 2.80 Trac-Lok
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post #3 of 31 (permalink) Old 07-05-2010, 04:21 PM Thread Starter
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Re: C5AE 289 Heads

I sent you a PM.

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post #4 of 31 (permalink) Old 09-11-2010, 06:18 PM Thread Starter
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Re: C5AE 289 Heads

Would anyone be interested to know the flowbench results?

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post #5 of 31 (permalink) Old 09-13-2010, 03:20 AM
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Re: C5AE 289 Heads

Yes please tell me what you have done and the result,I donīt have Facebook.

Thankīs/Gresse

My combo:289" Floo-Tek heads Comp sft JPT 8" conv.
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post #6 of 31 (permalink) Old 09-13-2010, 04:41 AM Thread Starter
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Re: C5AE 289 Heads

Test pressure 28" of H2O
Test bore 4.030
Intake valve job is for a 1.940 intake valve


Intake

.200 136
.300 191
.400 216
.500 226
.600 229
.700 229
.800 229

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post #7 of 31 (permalink) Old 09-13-2010, 05:37 PM
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Re: C5AE 289 Heads

Quote:
Originally Posted by blue65stang289 View Post
Test pressure 28" of H2O
Test bore 4.030
Intake valve job is for a 1.940 intake valve


Intake

.200 136
.300 191
.400 216
.500 226
.600 229
.700 229
.800 229
Those numbers just reinforce the nice looking job you did. Flow comes up fast at .3 and .4...that's great. Are you going to use them on a 289?

Have you cc'd the ports? How about exhaust flow?

Tracy Blackford: Anaheim Hills, Ca
www.pacificthunderperformance.com
65 Mustang, 331 custom built with 289 H beam rods and 383W piston, 282S cam, self-ported '70 351w heads, T5z, 9" w/3.89s. 430 [email protected]
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post #8 of 31 (permalink) Old 09-14-2010, 03:20 PM Thread Starter
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Re: C5AE 289 Heads

Intake runner volume is right at 160cc + or - 1 to 2 cc. I do have some exhaust flow numbers, but I'm actually still working on the port. I'm not going to give anything out until I'm satisfied with it.

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Last edited by blue65stang289; 09-14-2010 at 03:23 PM.
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post #9 of 31 (permalink) Old 09-14-2010, 04:11 PM Thread Starter
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Re: C5AE 289 Heads

I was trying to post a picture within the post ,but had no success. However, I did add a photo album of the C5AE heads to my profile.

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Last edited by blue65stang289; 09-14-2010 at 04:14 PM.
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post #10 of 31 (permalink) Old 09-14-2010, 05:09 PM
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Re: C5AE 289 Heads

I have a set of untouched stock 289 heads. When porting and polishing, what kind of performance can you get out of them compared to say AFR 185 heads?

Loren Pittack
'66FBGT + '68F250CC4x4
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post #11 of 31 (permalink) Old 09-14-2010, 06:27 PM Thread Starter
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Re: C5AE 289 Heads

I hate to tell you this but your comparing apples to oranges. Trying to compare a set of AFR heads to a stock casting is like comparing a mustang to a ferrari. The limiting factor is the casting. From the factory, Ford is only concerned that the engine runs, performs as advertised, and there are no problems. In the aftermarket, manufacturers are taking into consideration that their product is going to modified, and used the way they intend it to be used. To answer your question about performance, it really depends on the entire engine combination. On a well prepared super stock setup, where rules dictate that you have to run a factory casting, I don't see why a stock casting couldn't make 500hp or more. However, the problem you run into is in most cases these engines are stock displacement, and in order to generate that kind of power your going to have to turn a lot higher rpm.

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post #12 of 31 (permalink) Old 09-14-2010, 06:35 PM
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Re: C5AE 289 Heads

I was thinking I could try my hand at porting/polishing like you've done and swap them with the AFR185's to see how it performs. Crazy, right?!

Loren Pittack
'66FBGT + '68F250CC4x4
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post #13 of 31 (permalink) Old 09-14-2010, 06:53 PM Thread Starter
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Re: C5AE 289 Heads

I'll tell you right now that you'll be disappointed with the way they will perform, compared to your AFR185s. It would be different if your were coming from a set of bone stock cast heads, because chances are that you would notice a difference. But if you want to try it go for it.

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post #14 of 31 (permalink) Old 09-15-2010, 09:33 AM
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Re: C5AE 289 Heads

160cc...that's what my DOOE 351w heads measure after I ported them. 1.94 valves too. My exhaust ports are 60cc and they use 1.6 valves.

From your profile on Facebook, it looks like you are currently working at a shop that does porting.

Tracy Blackford: Anaheim Hills, Ca
www.pacificthunderperformance.com
65 Mustang, 331 custom built with 289 H beam rods and 383W piston, 282S cam, self-ported '70 351w heads, T5z, 9" w/3.89s. 430 [email protected]
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post #15 of 31 (permalink) Old 09-15-2010, 02:58 PM Thread Starter
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Re: C5AE 289 Heads

Yes I do work in an engine shop, and all the work we do revolves around cylinder heads. We don't do much for the public anymore, our primary focus is the manufacturers.

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