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I'm convinced that STEEDA is a waste of time. Unless your $$$rich, those guys won't even see you standing there.
As far as those heads go, they are factory 1985 mustang. My buddy was impressed with the shape of the cylinder chambers, they are heart shaped with a high quench design. Were gonna polish those up, too. I believe their good equipment, that b***h ran like a scalded dog how it was before I took it outa the car. The carbon I talked about was in the cylinders and scaling off the pistons. Really, it was not so awfull. It was the old Holley that had like 50,000 no-maint miles! I thank everyone for the input, and I think that for what I'm looking for-Cheap Power- old school is the way to get it. As I progress with the buildup and swap, I'll post periodically.
How's this question: the EGR passageways in the heads, is it better to dump the tube out the back of the head right into the exhaust?
Or plug it up? My buddy swears that plugging it up is better so it doesn't heat up the intake.
Right now on my EFI setup the EGR valve is hooked up and I have that tube on the back of the heads piped straight down facing the ground. It runs hard and has caused no adverse effects on the running conditions.
Just got my heads back from the shop last night. They are definitley clean, now I can really see the casting #'s. Now that all the grease and carbon is gone, I can see that at some point somebody has already done some porting work on these heads. So instead of messing with them anymore, I'll just have the valve job done and mild shave while I wait for my springs and cam and stuff.
In case anyone's interested, the casting # is:E6SE (on bottom).
And on the top by the rocker studs there is a #:6E7
Gotta go, J. Malone
Appears you have 86 heads of a thunderbird they do have the high swirl/fast burn chamber but as far as hp goes they weren't as good as the E5/E7's. Seems shrouding of the valves was an issue. I would say or would hope the person who ported them knew this and did something to help unshroud the valves, and reworked them to make more power. Kinda bad news but then again kinda good if they have been ported right then they shouldn't be too bad. Later
I've been working on those heads a little more latley. The person that 'worked' on them in 198? did little more than just clean up the exhaust ports and cut off the EGR bumps.
My buddy showed me that we could open them a little more and polish them w/compound when we're done. There are also a few ridges in intake side he suggested we should blend.
Anyways I was curious if someone could shed some light on the valve shrouding issue JWtaylor mentioned. Looks like there is a 'ridge' that protrudes out around the intake valve. Is it cool to just grind the sharpness off the edge of this? I can see how this could impede airflow. The exhaust sides' not as bad w/ the shrouding issue.
I guess if anyone's ever ported E6 heads let me know.
Thanks, J.Malone
I found this pic and thought it was the best way to describe what I was saying if you click on the link if you see were the arrow is pointing shows where the valve is extremely close to the combustion chamber wall this is shrouding. A person could lay a head gasket down and open that area up to allow air/fuel to flow a little better. Hope that helps some
Boy, this headwork is going to take alot longer than I thought!! I've already got $115 into grinding stones and a couple Dremel kits.
My first goal is to finish gasket matching the exhaust port side. This seems to be the 'easy' part. I'll tell ya, they really LOOK alot different!! The hard part will be the valve side on the exhaust port. There lies a ridge on the chamber wall where the diameter of the valve was drilled into the head (its hard to explain). But I can see how this would vector air into the middle of the port. So my buddy says I need to blend it in for smooth runnings.
I'm exited but this is gonna take a couple more weeks to finish. Just so freakin' tedious!
I have not messed with the shroud issue yet, though. Late.
Were you able to view the pic in the link to understand the valve shrouding issue? Do you have any before pix so we can see your handy work when your done? Good luck
Unfortunatley no. I only use the computer here at work. Around my house it's like the stone age, I hate to even answer the phone!
Anyways my friend I keep mentioning has a digital camera so when I go on Saturday I'll see if he'll take some pics. Then I have to figure out how to post them here. Believe it or not I'm not really a computer wiz and even this posting takes time for me to type and stuff.
I hav'nt got but a few ports done so there should be plenty of pics.
I'LL TRY DUDES!
P.S. if and when I get the pics I'll need some help posting them. Late!
or try this link if they delete it for some reason. It shows up for me but goes away for some reason. I am not quite computer literate either. This is what I meant by shrouding where the arrows point. later and yeah keep us updated with pix if you can makes the site a little more interesting.
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