Can the engine block from a 4AF or 4AFE engine have the head off a 5AFE and it's EFI gear fitted to it! Basically what I'm saying is with a JDM Corolla AE91 FX-ZS with a 5AFE engine, will the 4AF block be a straight swap (if it does swap) or will the EFI system need changes done also after the 5FAE head etc is able to be swapped onto a 4AF or 4AFE block! Just curious, is there any advantage in power in the 4AFE over the 5AFE seeing there's only about 200cc difference between them!
mugenb20b,
Dec 10, 3:57am
No, but there will be if you stick a 16 valve 4AGE head on.
ema1,
Dec 10, 9:29am
Bump .Any more takers!
trdbzr,
Dec 10, 10:47pm
why bother with that swap when a 16v 4age will be a much better option!
ozz1,
Dec 11, 12:03am
x1
yes it can.butno noticeable power increase.
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