Topic: 4a-fe or 7a-fe?

Guys i have a tazz 160i sould i gas flow the 4a-fe or the 7a-fe head i have both which one will give me more

Re: 4a-fe or 7a-fe?

Sonu wrote:

Guys i have a tazz 160i sould i gas flow the 4a-fe or the 7a-fe head i have both which one will give me more


both are extactly the same

2007 Seat Ibiza
ex 160i xe(dbn stock)

Re: 4a-fe or 7a-fe?

4afe is better to gas flow , but you dont see much gains from doing this cause you have to do other slight modz on the head itself  ../../extensions/custom_smilies_2/img1/wink

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Re: 4a-fe or 7a-fe?

the 7afe has bigger injectors i think. id say go with the 4afe and do the dave repsold coversion.

Re: 4a-fe or 7a-fe?

Use that money to buy a 4age head!

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Current- RunX TRD Import 150hp 145nm atw
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Ex- 96 Golf Vr6
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Re: 4a-fe or 7a-fe?

Tsov wrote:

Use that money to buy a 4age head!

That should be a direct bolt on right? ECU mapping after that - piggy or stand alone?

Re: 4a-fe or 7a-fe?

are the bottom ends the same? WRT bore and stroke?

2002 MR2, 2zz-GE 6speed
PPE ceramic coated race header
Apexi PFC
Custom intake

Re: 4a-fe or 7a-fe?

use a 1zz-fe crank on the 7a-fe and it will be a 1900cc

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