tscompusa

iTrader: (31)

I know some of you will appreciate me sharing these results to the community. This is the FP Green 73HTA /w SS housing.

Vehicle is located at 4300ft above sea level in Utah, temps pretty cold around 33F, so that helps with power of course, but the elevation not so much.

We first were only going to run 91oct and nothing else, but after we seen how horrible quality the 91 was, we came up with another solution.

Instead of running straight E70 and running out of fuel early around 470whp, we decided to make a custom mix 70% e70 and 30% 91oct.

I'm very happy with the outcome. Not only did we not run out of fuel, but it made very respectable power for the mod list in my opinion. Injector duty did not surpass 82%.

Mod list is:

Stock Block /w 91K miles on it
FP Green w/ 84mm Surge Port
FP SS Stainless housing
TiAL MV-S 38mm External Waste Gate
GSC S2 Cams
Walbro 255
FIC 1120cc Injectors (81% IDC)
ARP L19 Head Studs
Ported OEM Exhaust Manifold
3’’ MAP O2 Eliminator Downpipe (recirculated)
3'' Megan Racing Test Pipe
3'' Magnaflow Catback
3.5'' ETS FMIC /w ETS Upper/Lower Pipe
4'' DIY Silicone Intake /w Amsoil cone filter
Synapse Synchronic DV VTA (Push, Port A)
GrimmSpeed 3 Port
Tephra v7 Speed density /w ecuboost

Graph below:




Any questions feel free to ask.

Boost Demon

iTrader: (22)

91 octane Premium is just a cruel joke. Is the gas mix easy for the customer to replicate? Good to see nice results with tasteful mods in all the right areas!

evo8426

iTrader: (27)

That spool is terrible. Thanks for posting.

nickelndime

With the SS green/e85 on my stock block I'm seeing 20 psi at 3,850 rpm and 300 tq at 4,050 rpm. I'm running smaller hks 272's and letting the boost spike 30-31 and tapering to 28 psi up top. I'm guessing this one's spooling a little slower due to the s2's and looks as if he's taking it easy with the boost down low and ramping it up top to nourish the stock block maybe? Also the lower timing with the poor fuel isn't helping I assume.

Don't get me wrong mine is no spool monster but is respectable and is making 540+ hp VD at only 28 psi up top on those little hks 272's.

evo8426

iTrader: (27)

It's hitting at the same point as my SS Red with Kelford 272, I don't think the cams have any effect on spool. Not from my experience even with S3. Please start up a thread with your results, if you don't mind. I find them hard to believe.

ctfpevoVIII

iTrader: (4)

+1 I would also like to see your results, I know your saying 540 on VD /e85 but your running a green with 28 psi up top seems stretched for the green at that boost and HKS 272. I went from HKS 272 to s3 and there was a drastic change up top as in like 50+ hp peak.

nickelndime

I'll post when I get home. I was starting my pulls at 3,500 rpm and my spool was later but the one I began around 2,900-3,000 I'm sure it made 20 psi just before 4,000 and 300 tq about 200 rpm after.

wickedep

nice to see more s/s housing results... great numbers.

tscompusa

iTrader: (31)

Yes its easy to mix and maintain this. The added 91 makes it not have as quick of spool as pure e85, but he can make a lot more power with his walbro 255 now atleast.

Kelford 272 are not as big as S2 not even close. I was hitting 33psi by 3600RPM in 3rd gear with a 2.3L and fp black (MHI) & kelford 272 with a stock final drive years ago.

Cams play a huge roll in spoolup.

evo8426

iTrader: (27)

If you say so...

tscompusa

iTrader: (31)

In regards to the comments I made above I was looking off the other log we did in 4th gear. I'll edit my responses to make more sense & show that as well.

tscompusa

iTrader: (31)

I didnt notice this cars spool until mentioned above. That all said, the quicker something spools the more low end torque it produces in these cars cases. low end power is what bends rods.

I did go out of my way to hold this car back, but not to the point to hurt its spool. If its spooling average or below average for its setup then its something else within the vehicles setup causing it.

Few things to point out that are very important:

1. The vehicle has a S2 cam which is a lot different then a S1 cam in regards to spool profile (from real world experience on HUNDREDS of cars tuned)

2. Elevation level was 4300ft.

3. Fuel was not a true E70-E85 mixture. To put it into perspective, a modded walbro 255 with my VD cannot make more then around 460-470WHP on a single walbro no matter what you do.

So take this into account. We are running 527WHP with a walbro 255 that normally is out of steam by 430WHP unmodded, 460WHP modded, so if you do some math you will see how low of ethanol content were burning in this car. Im pretty certain this car has an unmodded pump.

So its able to make 90WHP over what it originally could on a E70 blend, so there's that much 91oct in the car.

The exact ratio the customer used was: 9 gal of e70. so theres 4.2 gal of 91oct gas that was so poor quality it knocked even at 20psi, so it is basically barely even usable.

Less ethanol = slower spool
Less ethanol = hotter air charge / less dense / less efficient / lower VE

4. Its an evo 9 with an evo 9 5 speed gear box, meaning the 3rd gear is VERY short. it cant load the car up enough to even get it to spool decent in 3rd gear.

That said, it does have mivec, which usually makes a world of difference, night and day in fact, but this car in 3rd doesn't get going quick.

Now in regards to this car:

The main thing thats hurting it is the gearing in 3rd gear of the IX gearbox. Its just way to short. It has not enough time to load anything up.

Heres an example of this car from 3rd gear vs 4th gear:




Random pulls combined:



Raw data of 4th gear:




I can post raw of 3rd also, but we already distinguished the spool is poor.

So I didn't notice this being this lazy down low until someone else mentioned it, but this particular car in general is laggy.

I'm not sure 100% how much load difference there is from 3rd vs 4th on a evo IX 5 spd box but its clearly dramatic based on the above data I just shared.

its possible the 4th in the 5 spd on 9 gearing is very similar to stock 3rd in the 8 trans.

Either way i wouldn't of shared this result if i would of caught the spool myself being that far off.

Unless there's an actual mechanical issue with this car this is real world results from this particular setup.

I have dozens upon dozens of FP green SS housing results i could post if anyone wants to see anymore stuff let me know.

tscompusa

iTrader: (31)

At the end of the day this is what matters most

nickelndime

I only posted in this thread to defend the turbo, also defending your tune by trying to point out possible reasons for the delayed spool. I think the numbers are great given the fuel, altitude ect.

tscompusa

iTrader: (31)

That's possible because the temps are cold where he is. Also if he has good E85 and it can take the timing its possible.

That said, if you want to prove yourself, go to the track and come back with the MPH that backs the #'s up.

540WHP should trap 130MPH in 1/4.

For every 1F colder it is around 1WHP. Temps play a huge roll in power. Colder air is much denser also.

Going from HKS 272 to S3 shifts your powerband drastically to the right. You suffer low end for top end.

Every setup isn't going to respond the same way to cam changes entirely though in regards to how much it alters one side or the other of the powerband.