later model evo head installation

[stariontron]

hey guys, its been a very , very long time since i've been on here (heck, the last time i was, "dohc" was still a dirty word - now youve got a whole section devoted to it!

anyway, i'm still punting about in the same old dash starion as always. except now shes getting a bit tired in her advanced age. and coincidentally, i've been offered an evo 5 short block for $500. its a recon'd head but the block has a blown big end bearing. my starion bottom end is still strong.

so i'm seriously considering doing the swap, buit it seems like 90% of what you guys have documented is for the earlier model heads. is it feasible to do the conversion with a later model evo head? would really appreciate your thoughts on this. cheers

[MR Bender]

im not to sure on the later heads on the starion bottom end.
its just easy to bolt on the older heads on the starion block because the pretty much bolt on.

anyway this mite be able to help you.
http://forums.austarion.com/viewtopic.p ... hlight=evo

[fugazi]

Isn't the EVO4-on turned the opposite way?
But that's maby not a problem?

[MR Bender]

yes it is.

[fugazi]

There you gooo.... noooooo problem! :D

[redzone]

hey guys, its been a very , very long time since i've been on here (heck, the last time i was, "dohc" was still a dirty word - now youve got a whole section devoted to it!

anyway, i'm still punting about in the same old dash starion as always. except now shes getting a bit tired in her advanced age. and coincidentally, i've been offered an evo 5 short block for $500. its a recon'd head but the block has a blown big end bearing. my starion bottom end is still strong.

so i'm seriously considering doing the swap, buit it seems like 90% of what you guys have documented is for the earlier model heads. is it feasible to do the conversion with a later model evo head? would really appreciate your thoughts on this. cheers

you will have to weld up the extra oil drain holes and make sure all other coolant holes etc line up, the manifolds being on opposite sides is only an advantage for us having rhd.. the other alternative to welding up those holes is to use a later model 4G63 or 4G64 RWD wideblock motor like from a triton or van, and build that up, however you cannot fit oil squirters and the 7 bolt have had problems with crankwalk apparently, although that only seems to affect owners with big clutches who sit at the lights with the clutch depressed often..

if you want to sell the dash stuff (manifolds and head etc) let me know..

[stariontron]

ok so the verdict is, a 4+ head is doable, but significantly more tricky than an earlier model head? i might hold off and look for something earlier then. and yes, at that point, my dash setup will be for sale i guess

[fugazi]

And the 1g/6bolt head has larger intake than the 2g/7bolt... and different headbolts... fill in you pros... who realy knows!

[thrash]

i've been offered an evo 5 short block for $500.

even if you don't do the conversion, buy it and keep it!!


and.. you actually still use icq? LOL

[stariontron]

i've been offered an evo 5 short block for $500.

even if you don't do the conversion, buy it and keep it!!


and.. you actually still use icq? LOL

haha nope, but thats how long ago i was last on austarion!

[stariontron]

hi again, just a quick update, managed to find an evo 2 head (its amazing how cheap evo stuff is now that drift cars are "cool" and 4wd drag cars arent!)

anyway next step for me is to find an inlet manifold and switch the throttle body over... for some reason, theres a lot of evo 4 ones for cheap, and no 1-3 manifolds. does anyone know if the evo 4 inlet manifold will bolt to the earlier head?

cheers

[fugazi]

Yes... might need some mods but.... it's turned the opposite way... that will make it right in a Starion!
And the evo4 mani's got holes for (extra-) injectors!

[dwlee]

With an evo 4 inlet on an evo1-3 head you have to fill the holes for the injectors and make an adapter plate to block off the egr port on the head.

[stariontron]

ok but the ports themselves line up just fine then?

[dwlee]

Yes the ports and studs all line up (with in casting tolerances anyway).