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-   -   efr 6258, a good low boost option? (https://www.miataturbo.net/diy-turbo-discussion-14/efr-6258-good-low-boost-option-81348/)

Leafy 10-07-2014 06:26 PM

4.3 + 5 speed is common in csp cars. Its too slow for SSM unless you rev to 9k.

concealer404 10-07-2014 06:26 PM


Originally Posted by ryansmoneypit (Post 1173778)
sorry I meant 430 but it's pretty common for the autocross low horsepower guys I think.

Maybe if they can rev and/or like using 3rd gear, i suppose.

turbofan 10-07-2014 06:28 PM


Originally Posted by ryansmoneypit (Post 1173777)
I just got my 949 twin disc organic in the mail, and the 15 by 9 949wheels should be here next week. But I see where you're going with this. So who needs a EFR for a decent price?

Where did you pick up the X9 6uls?

Leafy 10-07-2014 06:29 PM


Originally Posted by turbofan (Post 1173781)
Where did you pick up the X9 6uls?

There's a set for sale right now in the south east with a set of 225 half used rivals on them for $700.

ryansmoneypit 10-07-2014 06:43 PM


Originally Posted by Leafy (Post 1173782)
There's a set for sale right now in the south east with a set of 225 half used rivals on them for $700.

well this sounds like a better deal than what I got..

ryansmoneypit 10-07-2014 06:46 PM


Originally Posted by Leafy (Post 1173779)
4.3 + 5 speed is common in csp cars. Its too slow for SSM unless you rev to 9k.

I understand. I keep forgetting that anything but a stock engine puts me in ssm, and I'm bored with the 103 hp.

well then, I have an extra 500 or so for a set of rods. and a super small BB turbo.

Or the supercharger....aww geeeeze.

turbofan 10-07-2014 06:57 PM

Buy the rods and rebuild your motor. (only if you're going to rebuild it anyway... at your boost levels, stock motor is fine...) Buy a used little turbo and manifold setup, they pop up from time to time. If you don't like it, sell it for what you paid. the engine management and rods are useful no matter what your FI.

Stealth97 10-07-2014 08:09 PM

With the price if rods, youd be absolutely silly to build a performance motor on stock rods. Silly.

ryansmoneypit 10-07-2014 09:39 PM

Understood.

18psi 10-08-2014 12:33 AM

I just might have a freshly rebuilt and mint condition t25 for sale very soon.

...just sayin

ryansmoneypit 10-08-2014 06:59 AM

PM me when you are ready.

thenuge26 10-08-2014 10:16 AM

With stock '95 pistons (9:1) and forged rods you could run the EFR. 949 has forged rods for <$400.

Ryan_G 10-08-2014 10:20 AM

You can also get forged rods off ebay for 250 shipped that have arp hardware. They are very strong too. Many members have used the with success.

ryansmoneypit 10-08-2014 12:39 PM

Yeah, I'm going to do the rods for sure. Im going to use the 2554 bb. .

krissetsfire 10-08-2014 01:29 PM

I'd say get a log, 2554, have fun.

I've done the ebay rod bit. They are every bit as good as the m-tuned or whatever. Took mine to the machine shop and had them balanced and the machinist couldn't tell the difference between my rods and a set of manley rods he had.

When I built my motor I went all out. If I did it again I'd just replace my rods maybe some arp head studs and call it a day.

18psi 10-08-2014 01:53 PM

which ebay seller did you get them from ?

I only ask cause I'm kinda sorta keeping a list of "known good" ebay rod sellers, even though they probably all come from the same shop in china.

Ryan_G 10-08-2014 03:20 PM

I got mine from greatautoperformance.

greatautoperformance on eBay


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