e7's a upgrade?

billison

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#1

• Oct 14, 2006

• #1

OK I'm going to be doing a head gasket change and a guy locally is selling a set of e7's off a mustang that have only like 20k on them, said 50 bucks will this be a upgrade over my stock 85 cfi heads? and will i have to get special push rods? IF i get then is there anything that does not require a huge amount of money or skill that'll give them a little more kick?
_________________

 

Roland69

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Oct 14, 2006

#2

• Oct 14, 2006

• #2

Probly not worth the swap....E7's stock are not that great.

 

billison

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#3

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but 50 bucks for a set of almost new heads is not bad, mine have like 150k on them, can't imagine it hurting at all, but if i can get a ok power upgrade for cheap i'm gonna, i'm just tring to get some ideas of stuff to do while i have the heads off that'll not cost alot

 

Roland69

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#4

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Tmoss

 

8

8950HO

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#5

• Oct 14, 2006

• #5

Waste of time and effort.
You won`t gain anything over the 85 heads.

85 heads and E7`s are pretty much the same junk.

 

billison

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#6

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well i have to change the headgaskets, and i just thought that for 50 bucks almost new heads would be worth it as i'm broke and can't get anything fancy,

 

8

8950HO

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#7

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• #7

billison said:

well i have to change the headgaskets, and i just thought that for 50 bucks almost new heads would be worth it as i'm broke and can't get anything fancy,

Click to expand...

I thought you were talking about gaining HP.
If those E7`s have been rebuilt and are in good shape,for $50.00 it`s probably worth it.

Just make sure they`re in good shape though.

 

billison

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#8

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i'd like to gain somepower, but i don't have alot of money, but the way i figure a almost new set of heads is worth it, i'm thinking about tring to do a port job , can i put a set of roller rockers on stock heads with a stock cam, or is this just a waist of money?

 

RYC CUKR

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#9

• Oct 14, 2006

• #9

If you already have to pull the heads and the others are low miles, and you can verify, I would say they are worth it

 

billison

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Oct 15, 2006

#10

• Oct 15, 2006

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Ok, what about this, i used to have a set of 351 heads in my buddies storage, if there still thare, would they give me any power?

 

Mustang5L5

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#11

• Oct 15, 2006

• #11

E7's are nothing more than E5 heads with a compression bump.

 

billison

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#12

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i think i'll just clean up the ones i have and make sure all is well with them, if i put money into heads i think i'll get something worth while, still would like to know about the 351s

 

PrimerdFury

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Oct 15, 2006

#13

• Oct 15, 2006

• #13

There are different castings for 351 heads so it depends which one your friend has. And yes you can use roller rockers with a stock cam and heads but I would upgrade the valve springs. you can get a set of cobra 1.7s for fairly cheap.