I have a 96 gsr with minor bolt-ons: cold air intake, n1 exhaust. Will I benifit from changing to OBDI and adding the mugen program? What about cam gears?
What are the benefits and drawbacks?



[Modified by jdmciviceg, 6:33 PM 12/12/2001]

 

Be careful with the Mugen program because it revs to 9k rpm! Cams would be a more worthwhile project before spending $$$ on an ECU that won't really benefit you unless you have the capability to take it to it's full potential. Good luck!

 

What cams do you suggest will go well with the stock computer? And what hp-trq can I expect to get?
I friend put jun stage3 cams into his 99 si, the car ran like **** until he went OBDI and Mugen.
Skunk 2?
Jun?
Type-r?

 

TTT

 

It really depends on your budget and what you want to accomplish. What type of driving do you plan to do? Road racing? Drag racing? Daily driving? You need to plan out your mods/set a goal.

I think the CTR cams are a good choice. But I went that route because of a limited budget. My initial goal was to be able to keep up with a stock ITR, which I feel I can do. So I set a plan to be able to attain that goal. If I was going to keep the car for the long haul I'd go OBD1 eventually to be able to rev higher, but that would require upgrading the valvetrain (and a lot more money).

Going to an OBD1 program is beneficial but, to me and my budget, it was not justifiable yet.

I'm sure the Jun 3 cams require a lot of proper tuning and I'm sure the stock ECU would have a hard time with that cam combo unless he had a piggyback unit to control fuel and so on, like a VAFC unit and good dyno tuning. The stock ECU was not tuned for such a bigger cam whereas the Mugen, Skunk, etc. would be more capable and apt. Hence, the reason your friend's car runs better now.

 

umm... I think the car runs like ***** cause he doesn't have a JUN ecm... The Mugen program and Spoon programs are for Type R cams. The Skunk 2 program is for the Skunk 2 cams. Cam gears aren't worth a ***** if you have stock crap. That includes ECM. I know there is no way in hell that you will be able to run a JUN III cam in a stock motor for long, either you'll get tired of the shitty run or you'll blow the motor.. Also there is not really a way to tune the III with just a "piggyback"... JUN makes the ECM for a reason. If you really want to cheat the system so to speak try Toda B with Mugen ECM. But if I was you I think I wouldn't rely on Honda-tech for all my research. Talk to your local Import Tuning shop to see what you can do. If you don't have one then try one of the US's JUN authorized dealers like Modern Garage. If you want their number IM me or go the the site. http://www.moderngarage.com. They will be happy to help you and at the same time not feed you full of ****. Good luck!

 

you can run jun 3 with toda program and raise the vtec up to 6,000 rpm

 

Gee3 is right you need to set goals for what kind of HP you are looking for. I prefer CTR OR ITR cams. why because your looking at more potential hp for the street. jun skunk or spoon do pruduce alot of power but at the higer end. If your going to keep your car a daily driver, how often are you going to be revving your car 9k. and even if you do, are you willing to upgrade you internal head parts? if your internals cant handle 9k redline then why even spen 6 to 9 bills on cams when you cant even use that power. But then again that goes back to the question on what do you want to do with your car and how much time and money you are wiiling to spend. cams and and ecu is only the begining if you want real hp. good luck with what u decide...


[Modified by Cramerox, 2:15 AM 12/14/2001]

 

check out this link. it dynos all the cams and compares them all.\
http://jdmfan.com/articles/itr-cams_analyzed/

 

Thanks for all the useful info, I'll keep you posted on what I do and the outcome. I plan on having some internal work done by the spring, starting off with cams. I've done the cosmetics, now it's time to get serious. Ohh yeah, The original post was made using my roomates login.

 

Guys i have a question,i have a 98 GSR with about 55k on it,do you think putting ITR cams,springs/retainers will still give me a reliable GSR,right now the motor feels great burns no oil.Cause my goal is to have a fun daily driver and i still want my 100k out of this motor,And would i just need the Intake cam?any suggestions are well appreciated.


[Modified by MAGGSGSR, 3:57 PM 12/14/2001]

 

I think you will be fine with just the ITR cams, I don't think you need the springs and retainers.

 

if you want to rev SAFELY above 8000 rpm up to about 8500 rpm you'll need to upgrade the springs. MAGGSGSR you can get ITR intake springs from MIke at IPS for about 80.00 - ITR exh springs are the same as GSR intake springs - so just swap you GSR intake springs to the exh. side and buy ITR intake springs and rev to 8500 all day long

 

I have a GSR so why would a need to swap exhaust springs?And as for the cams,i understand the ITR intake cam is diff and the exhaust is the same is that right? would only need to swapp the ITR intake cam and retainers.Never mind i see your point swap the GSR intake with exhaust and install ITR intake springs.


[Modified by MAGGSGSR, 8:43 PM 12/14/2001]