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-   -   question on turbo+light flywheel (https://www.miataturbo.net/prefabbed-turbo-kits-3/question-turbo-light-flywheel-21720/)

urgaynknowit 05-29-2008 08:36 PM

question on turbo+light flywheel
 
ok, heres my scenerio , i hit 7-8 psi in 1st, 2nd, 8-9 psi in 3rd, and finally 10 psi in 4th and 5th

why dont i hit 10 psi in all gears?

im guessing because of the 7lbs flywheel

whatdo you guys think

Saml01 05-29-2008 09:06 PM

Are you using an EBC?

levnubhin 05-29-2008 09:29 PM

Thats weird. While im still running on the WG (8psi) I know for sure I would hit atleast 10 psi in first.
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kotomile 05-29-2008 09:35 PM

I run a Fidanza in mine, no problem getting full boost in any gear.

urgaynknowit 05-29-2008 09:42 PM

hmmm,, no im on mbc, so i dont know, perplexes me lol

kotomile 05-29-2008 10:05 PM

If it's any consolation, as a general rule fourth is considered "high boost gear" by many. Something about having enough load on the engine.

Arkmage 05-29-2008 10:20 PM

I can hit 12 psi in 2nd gear when I get traction:dunno:

Braineack 05-29-2008 10:49 PM

the faster you accelerate, the harder it is for the turbo to keep up. since 1st gear with a lightened flywheel goes by in a flash, the turbo doesnt spool up. same with second and so on. you'll make more boost faster in 4th and 5th.

miatamania 05-30-2008 11:12 AM

so is the car just as fast or slower?

urgaynknowit 05-30-2008 11:45 AM

its both lol

y8s 05-30-2008 12:08 PM

if the motor is spinning faster, then the wheels must be too.

i vote faster.

Saml01 05-30-2008 01:55 PM

Unless youre an airplane on a tread mill.

mike_671 05-31-2008 01:38 AM

Can you post a video of your miata tearing it up on the roads. I wanna see how it performs with a threes inch and 10psi and + now a 7 pound flywheel.

miatamania 05-31-2008 09:02 AM


Originally Posted by y8s (Post 264401)
if the motor is spinning faster, then the wheels must be too.

i vote faster.

Thats what I was thinking...as long as it is making some boost...its making power, its just getting out of first faster...so...?

urgaynknowit 05-31-2008 09:52 PM

ill make a video as soon as it stops raining

97montego 06-04-2008 09:09 AM

I also have a Fidanza Flywheel, and I find first is my most likely gear to overboost (15 psi). Go figure.

miatamania 06-04-2008 09:14 AM

the irony. What turbo/setup though?

97montego 06-04-2008 09:30 AM

Sorry, Sig doesn't seem to work, It's a '97 with FMII Hydra. GT2560RS, FM Cat and 2.5" FM turbo single exhaust.

Sig seems to work now:)

miatamania 06-04-2008 11:37 AM

with a disco potato too, beats me. I've got a 9lb flywheel, we'll see if I have any issues shortly.

StankCheeze 06-04-2008 04:02 PM

I heard from someone that if you can't afford a fancy flywheel, it's beneficial and quite easy to have a machine shop lighten the stock flywheel. Is this accurate? Does anyone have any links to more info?


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