rebuilding my 4g63

jose m gilarte · Post by **jose m gilarte** » Tue Nov 22, 2005 7:14 pm

iam rebuilding my 4g63 sohc i wouldn't mind getting around 200 hp at the wheels. is it easy to acheive and roughly at what price some suggestions would be great in what to buy and to do to acheive this. :)

Cookiemonster · Post by **Cookiemonster** » Tue Nov 22, 2005 7:36 pm

Multi-point injection with intercooler will make that power with a standard head, standard cam, and standard TC-06 turbo on standard internals using 14psi boost.

GustiX · Post by **GustiX** » Wed Nov 23, 2005 10:02 am

Removing the balance shafts will give you about 15 hp (or so I was told :)
The only "cost" is a little bit of extra vibration

flav · Post by **flav** » Wed Nov 23, 2005 10:47 am

Intercooler is a nice mod. $1000
NOS is a nice addition. $700
Porting for crisp response. $200 +
TC06/T3 wheel. $700
...and what gustix and cookie said will see u in there nicley.
The suggested boost is close to the pistons limit so forged is something to look at if you want to go more.

MrBishi · Post by **MrBishi** » Wed Nov 23, 2005 11:08 am

Cookiemonster wrote:Multi-point injection with intercooler will make that power with a standard head, standard cam, and standard TC-06 turbo on standard internals using 14psi boost.

I think this might be a bit optimistic for 200 whp. I have L300 MPI, intercooler, 3" exh, 15psi, stock everything else and make 155whp. I could lean on the motor some more, but doubt I could gain an extra 50hp.

Cookiemonster · Post by **Cookiemonster** » Wed Nov 23, 2005 4:05 pm

I made 149rwkw with MPI, intercooler and 14psi boost. Everything else standard. The MPI included Motec and multi-coil.

RiceThief · Post by **RiceThief** » Wed Nov 23, 2005 6:07 pm

[quote="MrBishi]I think this might be a bit optimistic for 200 whp. I have L300 MPI, intercooler, 3" exh, 15psi, stock everything else and make 155whp. I could lean on the motor some more, but doubt I could gain an extra 50hp.[/quote]

I made 179hp on 12psi with mpi with a fuel only computer, intercooler, 3inch exhaust and standard turbo so 155 seems like a pretty low figure.

GustiX · Post by **GustiX** » Wed Nov 23, 2005 9:08 pm

How much is power is lost from engine to wheels? 10%, 20%, 30% ?
My '87 4g63 is rated at about 178 hp original with intercooler and
I think around 7 psi.

flav · Post by **flav** » Thu Nov 24, 2005 6:50 am

roughly a third for most cars

MrBishi · Post by **MrBishi** » Thu Nov 24, 2005 7:27 am

What gear are these dyno runs done in? Mine was 4th (1:1).

Cookiemonster · Post by **Cookiemonster** » Thu Nov 24, 2005 4:03 pm

gotrice? · Post by **gotrice?** » Thu Nov 24, 2005 5:37 pm

Dont you have a TD06 or something?

jose m gilarte · Post by **jose m gilarte** » Thu Nov 24, 2005 5:46 pm

so with a better cam and a bit of head work including the other mods mentioned it should be able to acheive? :?

Cookiemonster · Post by **Cookiemonster** » Thu Nov 24, 2005 6:05 pm

gotrice? wrote:Dont you have a TD06 or something?

I do now.. yes. Not then.

Cookiemonster · Post by **Cookiemonster** » Thu Nov 24, 2005 6:06 pm

jose m gilarte wrote:so with a better cam and a bit of head work including the other mods mentioned it should be able to acheive? :?

Very easily with cam and headwork.

Austarion

rebuilding my 4g63

rebuilding my 4g63

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