** TIPS ON DYNO TUNING & STREET TUNING **

[deevergote]

I dunno about the gear ratio...

Be careful with the torque though! The stock axles aren't the strongest things in the world. You could probably make hybrid axles from Prelude parts that would be stronger.

[MRX]

I'm saving up for the gator axles...as long as i don't drop the clutch from dead stop i'm fine. Its the inertia that keeps snapping them from a stop

[deevergote]

That's true. It must kill the clutch holding back all that torque though...

Man, I can't wait to see what you can do! I'll be coming to you for help boosting my hatchie for sure And Carlos of course... he has a vested interest in that thing! (I'm gonna tough it out and see what I can do with it)

[Fearit22]

Looking good man. Considering your car doesn't really have much done besides the turbo those are good numbers right there. I'm sure you will still get a lot more out of it, and I wouldn't expect any less from you

[Sho Nuff]

Thats at the flywheel or wheel. The sheets say flywheel. Pretty impressive regardless.

[MRX]

thats wheel hp...to test the flywheel you have to drop the tranny.

[HondaFan81]

my iab's are wide the freak open too i can't believe it just starts with that much torque. Next will be dyno TUNING...i'll test alot of things and definately run the car with the iab's closed to see how it affects the motor.

And is it just me or did they set my gear ratio off??? I swear its not a 3.970 ratio

I assume you still have the F22 trans. here are gear ratios, 3.970 is nothing...weird:

USDM F22
3.307 1
1.809 2
1.230 3
.903 4
.705 5
4.062 final


Also, are them numbers really wheel horsepower? Could they be corrected flywheel numbers based off wheel numbers? Just want to make sure.....good luck on dialing in your motor.

[MRX]

actually its hub power, i stand corrected. There was an STI that had run earlier in the day and put down 265hp..and he had some bolt-ons. The STI is rated at 300hp out the box so its hub power. I chose the dynapack because it doesn't rely on friction to make its measurements and can detect detonation better than a conventional chassis dyno

And i tried asking the techs which gear ratio they wanted but they never answered. Then when i asked them if the 3.970 was supposed to be the final drive number but again they didn't answer. I knew it was a 4.0 somethin. I'll run it by them next time. The dynapack calculated the final drive by itself. Can the lightened flywheel change the ratio at all?

[HondaFan81]

A lightened flywheel will reduce the rotational mass, which will allow you to spin the engine up more freely, but your gear ratio will remain unchanged unless you change the final drive ratio and/or the transaxle gear ratios.

Speaking of which, has anyone confirmed that our F22 final drive ratio are swappable with the H23 and/or H22's? Also, are any of these trans gears swappable?

[deevergote]

According to Fizzbob7, the H22 and F22 final drive are not interchangable. I was hoping to make a hybrid tranny using F22 parts myself! Better gas mileage while cruising in 5th gear would be wonderful, and I don't need that gear to race!

Fizz is the only one who offered anything on that question though. While he usually does know what he's talking about, there is a possibility that he's wrong... In this case I'm hoping so!

[MRX]

dear god do i hope he's wrong too lol. Cause 3rd gear is TOO FRIGGIN' LONG!!! I've always felt like i was going backwards when i hit 3rd . I hope to offset it with my new flywheel, regardless...this is certainly one of those times i wish i had a civic or integra engine. But then again...if bisi can adapt a d-series tranny to an f22 block then why can't we?

[92ex]

I'm saving up for the gator axles...as long as i don't drop the clutch from dead stop i'm fine. Its the inertia that keeps snapping them from a stop

So you're saying if you do a 3k launch from a stop, you'll brake the axles? I thought the accord axles were stronger then that, if not, I need to get some new ones, cause I will be doing 3k launches.

[MRX]

3-4K rpm drop and an axle will snap on me yup

[deevergote]

Don't forget, MRX is making a hell of a lot more torque than most... more than me, for sure!

[MRX]

This sticky needs more activity. We need another good topic of discussion in here. We've covered fuel, cam gears, and etc. but i don't think too many ppl are keen on ignition timing so i'm thinking we should start talking about that now. Somebody start off with a question...