3100under 2.8 heads and intake is it possible. (any help ?)

[Shelby Tucker]

I need some info! Has anyone done this converison? My name is Shelby,and would like to here from someone who has done this swap. im wanting to put it in my fiero but dont want to have to deal with a bunch of emmisions proplems. One more question will the exaust manifolds bolt up to my 2.8 heads. Many thanks to anyone with this info...

[RacerX11]

Are you talking about 2.8 iron heads? If so, then no, it will not work without changing the pistons. The 3100 pistons combined with the large-chamber iron heads will result in extremely low compression.

Marty

[Shelby Tucker]

2.8 iron heads what would be the best swap?no modifactions

I am wanting to do an easy swap to my fiero,im wanting to put a 3.1 or ? any help in this area, im an newbie to this message but that is why im here. I have an 86 fiero and its time to freshen up the lower end, im wanting to put a little extra under my stock heads and intake. im open to sugestions, marty said if i put a 3100 under my iron heads i will lose a bunch of conpression! ok can any one suggest an easy lower swap? my name is shelby, and i would be very thankful. If you can leave my an e mail address im sure ill have a few questions thanks shelby

[bszopi]

Why not just swap in an entire 3100/3400? It would be relatively cheap and easy, and you'd benefit from the newer engine design. Why the urge to keep the stock top end?

[patgizz]

or a camaro/firebird iron head 3.4

[akira]

If you want to keep the top the same with iron heads just use 3.1 RWD pistons, they do make them at $28 cdn each with pins. They were in some camaro's early 90's