Anyone use EFI Specialists?

Post by **JRex** » Fri Apr 17, 2009 6:06 am

I'm slowly piecing together my KA-T setup and I was wondering if anyone is running an EFI tune? They seem to be reasonably priced, and I have heard a few good things about them but am looking for a little more insight. I was looking into ordering the Daughterboard upgrade from them, because I don't want to send my ECU off.

Post by **WDRacing** » Fri Apr 17, 2009 6:56 am

I changed your title, EFI is electronic fuel injection. So asking if anyone uses EFI isn't gonna narrow down the results to well

It's also a good thing to include a link if you can.

EFI Specialist

WD

Post by **JRex** » Fri Apr 17, 2009 10:34 am

haha thanks. I didn't even think about that.

Post by **Chris28** » Fri Apr 17, 2009 8:34 pm

Yes, I have an EFI Specialist tuned ECU and my car runs very well. Startup idle is a little rough, but I'm sure that is due to my iacv not being set correctly.

I'm running his 370cc injector and stock mafs tune, however I am still n/a. The car is quicker than a stock KA. I am very pleased, I can't wait till I add boost.

Post by **JRex** » Sun Apr 19, 2009 4:47 pm

Thanks for the insight. Anyone else tuned by them?

Post by **ghx407** » Mon Apr 20, 2009 3:47 am

I have an EFI Specialist tune (740cc inj., Z32 MAF). I got it used for $150 IIRC. Like all pre-set ECU tunes, it was on the rich side, but nothing that the SAFC couldn't correct. The tune has worked great for the 2 years that I've had it.

So that you have real numbers and make an informed decision, here is the final dyno run (blue lines) with the final SAFC corrections to the EFI Specialist tune.

Post by **WDRacing** » Mon Apr 20, 2009 4:40 am

Good info man

Post by **JRex** » Tue Apr 21, 2009 5:26 pm

Wow that is good info. Thanks a lot.

Post by **oz240red** » Wed Apr 22, 2009 4:52 am

Cool man, a quick question,

Are those HP and torque numbers the limit of your turbo or the injectors?

Let's say you wanted to hit 400Hp, you would just need to raise the boost?

Post by **ghx407** » Thu Apr 23, 2009 5:19 am

oz240red wrote:Cool man, a quick question,

Are those HP and torque numbers the limit of your turbo or the injectors?

Let's say you wanted to hit 400Hp, you would just need to raise the boost?

Yup.

Post by **GTR PrYdE** » Thu Apr 23, 2009 4:42 pm

ghx407 wrote:I have an EFI Specialist tune (740cc inj., Z32 MAF). I got it used for $150 IIRC. Like all pre-set ECU tunes, it was on the rich side, but nothing that the SAFC couldn't correct. The tune has worked great for the 2 years that I've had it.

So that you have real numbers and make an informed decision, here is the final dyno run (blue lines) with the final SAFC corrections to the EFI Specialist tune.

What size turbo are you running? 19psi seems like alot of boost for 325whp

Post by **ghx407** » Thu Apr 23, 2009 8:41 pm

GTR PrYdE wrote:
What size turbo are you running? 19psi seems like alot of boost for 325whp

T3/T04e, .50 Comp, .63 Turb, 57 trim. Boost spikes to ~19psi @ 4200 RPM because I run a manual boost controller with a 10psi WG. MBCs tend to cause some boost spike.

Boost levels off to 15-16 psi by 5000 RPM and HP peaks at 5700 RPM.

Post by **JRex** » Tue Apr 28, 2009 2:41 pm

Anyone else running an EFI tune?

Post by **redss** » Fri May 01, 2009 6:43 am

GTR PrYdE wrote:
What size turbo are you running? 19psi seems like alot of boost for 325whp

A GT2871R with a right pair of cams can make close to 400hp at the wheels with 20psi of boost..

Post by **GTR PrYdE** » Sun May 03, 2009 6:47 pm

redss wrote:
A GT2871R with a right pair of cams can make close to 400hp at the wheels with 20psi of boost..

I believe that, but then you've completely maxed out the T2, and have no room to upgrade.

Post by **GTR PrYdE** » Sun May 03, 2009 6:48 pm

This extra power was made just from leaning out the tune?? That's awesome.

Post by **keinplan** » Tue May 05, 2009 12:32 pm

I run EFI. I had it tuned for 550cc, Z32 with a Greedy 20g turbo running 14psi low boost and between 18psi and 20psi high for a whole year and it worked out really great. I did have some problems with the idle (very lean), and the tune was a little on the save side, AFR's @ 11.0-11.7 under full boost, but with my Neo I was able to fine tune it myself. I recently send my ECU off for a re-tune and just got it back with the new tune. This one is for 750cc, Z32. Same turbo and going for 20psi low boost and 25psi high on 110. As soon as I put everything back together I will let you know more about my new tune! Other then that, Khiem has been a great person to work with. He’s a trust worthy and good guy to deal with.If you have more questions, feel free to PM me.

Post by **JRex** » Wed May 06, 2009 6:05 am

Thanks for the info dude. I heard that most tunes that aren't done in person are going to need some adjusting, so I defiantly planned on getting a SAFC to fine tune it once it's in the car.

For now I plan on running SR T25, 370cc, Z32 MAF on about 10lbs. Nothing compared to what your running but we'll see how it goes. Not sure what that is going to make number wise.

Post by **keinplan** » Wed May 06, 2009 2:57 pm

I'm guessing around 250whp with that set-up. You don't think that running with Z32 MAFS and 370cc is gonna equal out and then fine tuning with a SAFC would be plenty... If your going for a bigger set-up (300whp), I would recommend a ROM tune.

Yea man, the ROM tune is NOT perfect, I had some adjusting to do when I first got it... But hopefully with Khiem's new updated version for the S14's, since I was the first to get an S14 with 550cc injectors tuned, I'm really anxious to see how well this tune will run (especially idle

).

Post by **JRex** » Wed May 06, 2009 3:10 pm

What do you mean by the Z32 MAF and 370s equaling out?

Let me know how it turns out. I am pretty much set on getting a tune by them because I have heard nothing but good stuff.

Post by **JRex** » Mon Jun 15, 2009 9:50 am

Well now that EFI has relocated to Switzerland looks like I'm going to have to go a different route.

Post by **480sx** » Mon Jun 15, 2009 9:56 am

Enthalpy is a great option for what your looking for.

Post by **JRex** » Mon Jun 15, 2009 9:57 am

I've heard really good stuff about them. But the price is what's making me hesitant. EFI was about half the price. Looks like I don't have much of a choice now though.

Post by **480sx** » Mon Jun 15, 2009 10:00 am

Telling you dude, Scotts tune is worth every penny. Its held 24 psi on pump 93 for me before. Its made 535 hp, and handled over 30 PSI of boost on a STOCK BLOCK(temporarily lmao, the rods gave out) for a while.

Post by **JRex** » Mon Jun 15, 2009 10:11 am

Yea my little T25 probably won't hold much more than 10 psi. If I decided to go with a bigger turbo setup etc, I would have to get it re-flashed correct?

Post by **Razi** » Mon Jun 15, 2009 11:38 am

480sx wrote:(temporarily lmao, the rods gave out)

LMAO

So, EFI is moving to Switzerland?Anyone know when will he start tuning and shipping out ecus again?

Post by **JRex** » Mon Jun 15, 2009 11:54 am

The Website says:

"EFI Specialist is not taking anymore orders at this time. Please check back in in July for updates. If you need a retune or support, please call 1-510-996-1063. If it's an emergency, please call my Switzerland number at 41763266530 (dial 011 and the number if you're calling from the U.S). I am 9 hours ahead if you're calling from the west coast, 7 hours from central, and 6 hours from the east coast."

Post by **Chris28** » Mon Jun 15, 2009 1:51 pm

Hmmm that's interesting. Hopefully I won't need a retune for a while haha.

Anyone use EFI Specialists?

Anyone have an EFI tune?

Re: Anyone have an EFI tune? (JRex)

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Re: (GTR PrYdE)

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Re: (redss)

Re: (ghx407)

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Re: (480sx)

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