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Old 11-18-2006, 09:29 AM   #1
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5.8(351) E7TE Heads...

What kind of changes would I have to make on my 5.0L for 5.8L E7TE Heads?
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Old 11-18-2006, 04:07 PM   #2
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Re: 5.8(351) E7TE Heads...

Thats a good question,I have them heads too lol of course I do anyway I have been wondering kinda the same thing but I am not going 5.8 liter.I have heard that the E7s are good heads to play with and they are just as dependable as them 1200 dollar ones.You can build the E7s but how much is too much?
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Old 11-18-2006, 07:14 PM   #3
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Re: 5.8(351) E7TE Heads...

Personally... I'd junk them and get a decent set of heads. Yes, you can play around with the stock heads, but it probably won't get you very far.

I'm also not sure what you mean by 5.8 E7TE heads. E7TE is the casting for the stock 5.0L Mustang heads from 87-93. I was thinking the 351 heads had a different number, but I could be wrong about this.
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Old 11-19-2006, 09:49 PM   #4
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Re: 5.8(351) E7TE Heads...

Quote:
Originally Posted by bbunt302 View Post
Personally... I'd junk them and get a decent set of heads. Yes, you can play around with the stock heads, but it probably won't get you very far.

I'm also not sure what you mean by 5.8 E7TE heads. E7TE is the casting for the stock 5.0L Mustang heads from 87-93. I was thinking the 351 heads had a different number, but I could be wrong about this.
They have an E7 351 head.Only difference between your existing head and the 351 is the provision for head bolt size.There would be absolutely no advantage in running them.The only 351w series heads that had larger valves and slightly bigger intake ports were the 72 and earlier heads.
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Old 11-20-2006, 09:10 PM   #5
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Re: 5.8(351) E7TE Heads...

in which are probably going to have WAY to low of compression ratio for an NA 302

do some compression height calculations for a 302 vrs 351 and you'll see what I mean.
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Old 12-08-2006, 10:36 AM   #6
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Re: 5.8(351) E7TE Heads...

If you are thinking about using stock heads, do yourself a favor and check out Thumper of Orange Park .

Mike Schultz, at Thumper Performance, is a wizard for making cheap power. His ported heads on basic bolt-on cars run mid to low 12's. With a small shot of nitrous some have gone as fast as the upper 10's. That's customer reports, not Mike talking.

I certainly don't want to get into a debate on which is better, ported stock or aftermarket aluminum, chocolate or vanilla. The answer is always, "That depends". But, fast is always fast.


His packages go from $595 to $995. Here's one:

Thumper Heads and Cam combo #1 :
Thumper Ported E7s (219/155 cfm)
Vassco springs, moley retainers and keepers
For cams to .600 lift
Double roller timing chain and gear set w/9 position key way
FMS "E" ( for AOD cars), "B" , or TFS1 cam
Instructions on installation and Cam phasing for the best power and performance for you application
Proven 12 sec combination
$995.00 + 100.00 refundable core charge**

Quick is quick, regardless of the equipment. Check out his site. There's a ton of tech reports and testimonials on it.

He's doing a 347 for me.
Good luck in what y'all do.
Jim
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Old 12-09-2006, 05:39 PM   #7
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Re: 5.8(351) E7TE Heads...

Quote:
Originally Posted by jwyche View Post
If you are thinking about using stock heads, do yourself a favor and check out Thumper of Orange Park .

Mike Schultz, at Thumper Performance, is a wizard for making cheap power. His ported heads on basic bolt-on cars run mid to low 12's. With a small shot of nitrous some have gone as fast as the upper 10's. That's customer reports, not Mike talking.

I certainly don't want to get into a debate on which is better, ported stock or aftermarket aluminum, chocolate or vanilla. The answer is always, "That depends". But, fast is always fast.


His packages go from $595 to $995. Here's one:

Thumper Heads and Cam combo #1 :
Thumper Ported E7s (219/155 cfm)
Vassco springs, moley retainers and keepers
For cams to .600 lift
Double roller timing chain and gear set w/9 position key way
FMS "E" ( for AOD cars), "B" , or TFS1 cam
Instructions on installation and Cam phasing for the best power and performance for you application
Proven 12 sec combination
$995.00 + 100.00 refundable core charge**

Quick is quick, regardless of the equipment. Check out his site. There's a ton of tech reports and testimonials on it.

He's doing a 347 for me.
Good luck in what y'all do.
Jim
OMG Collegedale is representing
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Old 12-09-2006, 09:05 PM   #8
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Re: 5.8(351) E7TE Heads...

Yep, right here in the BIG city. How is the '65?
Jim
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Old 12-16-2007, 04:13 PM   #9
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Re: 5.8(351) E7TE Heads...

I believe the pushrod tubes in the 351 are smaller in diameter that makes this head more attractive for porting but the ports are thinner than the 5.0's. I learned that the hard way after I blew into the water jacket in an intake port.

E-7 1.940 valve info
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Old 12-17-2007, 10:20 AM   #10
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Re: 5.8(351) E7TE Heads...

yall know i had to comment. it's true, fast is fast regardless of the equipment. i've dusted off aluminum head owners with my ported e7's with stock valves. a properly ported e7 will outflow a gt40p head which has larger valves. i've never owned a "good set of heads - aftermarket". but i dont mind doing the port and bowl work. if u r on a budget, porting stock heads is a cost effective solution, yielding good results, most of the time. especialy if u educate yourself on velocity, volumes, & compression ratios. i've done "e6se...e7te...d8oe" and before ppl start talkn bout the low compression, remember i run 9lbs of boost. however for n/a...i would stay with e7's....or put a set of gt40(p)...if u r on a budget...the most bang for the least buck, if u r a home head porter like me......i like run'n "oem production parts" on my car...just my personal preference...i like see'n how much horse i can squeeze outa them...most ppl will b very surprised with wut u can get outa a set of e7's wit stock valves. alot of aftermarket heads r based on production pieces...dats y i got into head porting to start wit. if u can, i would use a gt40 series head...better compression, larger valves...and pretty cheap..just my opinion.
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Old 12-22-2007, 09:39 AM   #11
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Re: 5.8(351) E7TE Heads...

Ditto on thumper... but I sure as hell wouldn't use e7's... however i've personally seen his work with a set of GT40's on a 347, they flow better than my 185's
you ever seen his big block powered 68?

he hangs out on SBFtech.com, good site..
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