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Old 06-10-2010, 02:06 PM   #201
BenGSX
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Chapter/Region: BAIC
Location: Elk Grove, CA
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E85.. 68HTA - internally gated - lightly ported. Ebay TMIC.. 3" TBE. 3" CAI w/ rescaled maf (forget about running more than 21 psi on the 68HTA without a larger maf)

The turbo has absolutely no problem holding 28PSI to redline.. Cant explore further without more fuel..

Bone stock block 05 2.0 wagon.

First dyno plot at 23 PSI..

Second at 26 PSI..


Timeslips and video from the following day. - Was launching pretty soft to try and preserve the stock 05 5 speed.. Trans survived the track, but third gear disintegrated after about 2 months of daily driving at 26 psi Probably have a few more 10ths on the table with a harder launch..









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Last edited by BenGSX; 06-10-2010 at 02:16 PM.
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Old 06-10-2010, 02:32 PM   #202
801_STi
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07 yellow clearbra
swp sti "Pearl"

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where;d you get the larger MAF or howd you rescale it or whatever?
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Old 06-10-2010, 02:48 PM   #203
Phatron
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you can get a larger MAF intake pretty much anywhere.....APS, Perrin, KSTech......

You can "guesstimate" the rescale by doing

New MAF = [ (cross sectional area of New MAF) / (cross sectional area of old MAF) ] * old MAF

To fine tune the closed loop portion of the MAF you can make changes based on your fuel trims if you're using an Access Port.....or if you're using opensource you can use the MAF scaling tab in the romraider logger....or one of the various MAF scaling spreadsheets that folks have made.

To fine tune the open loop portion of the MAF you need a wideband. You make changes to the MAF scale so that the measured AFR's match the AFR's in your Open Loop fueling table.
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Old 06-10-2010, 03:28 PM   #204
JDM_OBP
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'05 HTA68'd WRX
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UPS just dropped off my turbo, will have everything on by the end of the month. wooo hooo! can't wait. here's what I have so far:

hta68 pnp'ed, ess fmic, dw 750cc, walbro fp, gms ebcs, invidia up/dp, n1 race, cobb ap

all this on stock 2.0 and drivetrain.
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Old 06-18-2010, 12:48 AM   #205
Caldono
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2005 92x
FP HTA 68 turbo
APS TMIC
Walbro fuel pump
850 cc modified injectors
HKS catless UP
PDE high flow catted DP
STi cat back
Stock air intake

Getting the engine built with STi internals, since cylinder #4 had a knocking rod. I want some input as to whether the numbers from the last tune look good and whether I should get it re-tuned now that it's 10 over stock...

The dyno was done by the previous owner and he said the target boost was 20psi on 91oct. When I took the DP off for emissions, it was completely black inside and it took me THREE tries to finally pass with the stock DP! When I started it up after switching maps to E85, it was completely flooded and had a pretty rough idle. So maybe the injectors are too big? Any input helps, THANKS!


Last edited by Caldono; 06-18-2010 at 01:01 AM.
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Old 06-18-2010, 01:02 AM   #206
DG39
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Chapter/Region: NWIC
Location: Salem(OR)/vancouver(WA)
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05 EVO VIII
99 impreza L

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Facility: http://www.tunedbypsi.com/
Type of Dyno: Dyno Jet
Baseline # for a stocker at the dyno: ?
Boost: 23
Fuel:E85
Target AFR:12.5
SAE Corrections: ?
Peak HP at RPM:379.38
Peak Torque at RPM: 431.00
Mods:HTA68, Turbo XS FMIC, AVO SRI, DW1000cc injectors, Walbro 255 fuel pump, Agency Power DP, AVO CBE.

i
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Old 06-18-2010, 02:55 AM   #207
Team Scream
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01 Aerosim GC8 Coupe

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^^^ looks like a bit of a rich dip in that plot between 3 and 4K.
Maybe some more on the table if you can get that squared away.
At least you might get some better mid range during spool?
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Old 06-18-2010, 11:12 AM   #208
snobordboi
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VF39 Brembos etc

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Quote:
Originally Posted by Caldono View Post
2005 92x
FP HTA 68 turbo
APS TMIC
Walbro fuel pump
850 cc modified injectors
HKS catless UP
PDE high flow catted DP
STi cat back
Stock air intake

Getting the engine built with STi internals, since cylinder #4 had a knocking rod. I want some input as to whether the numbers from the last tune look good and whether I should get it re-tuned now that it's 10 over stock...

The dyno was done by the previous owner and he said the target boost was 20psi on 91oct. When I took the DP off for emissions, it was completely black inside and it took me THREE tries to finally pass with the stock DP! When I started it up after switching maps to E85, it was completely flooded and had a pretty rough idle. So maybe the injectors are too big? Any input helps, THANKS!


I would say a retune is in order, especially after rebuilding the motor! The guys at Revolutions should be able to wring a bit more out of it safely, and it will probably run better as well, especially with a good E85 map!

That is, if you are in the Springs, if you are in Denver, take it up to Harvey in Longmont "the boost creep".
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Old 06-18-2010, 11:14 AM   #209
Phatron
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and his target afr says 12.5.....but its more like 11.5
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Old 06-18-2010, 06:28 PM   #210
rexblake
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2010 Audi S4
Black

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Quote:
Originally Posted by Caldono View Post

Getting the engine built with STi internals, since cylinder #4 had a knocking rod. I want some input as to whether the numbers from the last tune look good and whether I should get it re-tuned now that it's 10 over stock...

The dyno was done by the previous owner and he said the target boost was 20psi on 91oct. When I took the DP off for emissions, it was completely black inside and it took me THREE tries to finally pass with the stock DP! When I started it up after switching maps to E85, it was completely flooded and had a pretty rough idle. So maybe the injectors are too big? Any input helps, THANKS!
The question is, did they use a correction factor on the dyno? If those are uncorrected, it wouldn't be to bad, especially only on 20psi. You know what psi your pushing on the E85 map?

Injectors are not to big, those are really tiny actually for E85. I'm sure the altitude helps, but I maxed out my 750cc on E85 really fast with my 68hta, so I switched to 1000cc's. Perhaps the injector table is not scaled correctly for you size though, that could cause you to run rich.
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Old 06-20-2010, 01:32 PM   #211
Caldono
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Quote:
Originally Posted by snobordboi View Post
I would say a retune is in order, especially after rebuilding the motor! The guys at Revolutions should be able to wring a bit more out of it safely, and it will probably run better as well, especially with a good E85 map!

That is, if you are in the Springs, if you are in Denver, take it up to Harvey in Longmont "the boost creep".
Quote:
Originally Posted by rexblake View Post
The question is, did they use a correction factor on the dyno? If those are uncorrected, it wouldn't be to bad, especially only on 20psi. You know what psi your pushing on the E85 map?

Injectors are not to big, those are really tiny actually for E85. I'm sure the altitude helps, but I maxed out my 750cc on E85 really fast with my 68hta, so I switched to 1000cc's. Perhaps the injector table is not scaled correctly for you size though, that could cause you to run rich.
Yeah, i'm thinking its probably a safe idea to give Harvey a call. I've heard nothing but good things from him! Thanks!

I think that run was corrected actually. It doesnt look too bad, i'm just hoping a retune will get the #'s closer to 300. I'm pretty sure its still 20psi on E85. The car was never tuned on ethanol, the guys at Revolutions just gave me a map for it.

I'm switching out the stock air intake when I get the car back next week, when I get it retuned i'll post up the new Dyno and let you guys know why it was running rich. Thanks guys!
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Old 06-20-2010, 11:01 PM   #212
rexblake
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Quote:
Originally Posted by Caldono View Post
Yeah, i'm thinking its probably a safe idea to give Harvey a call. I've heard nothing but good things from him! Thanks!

I think that run was corrected actually. It doesnt look too bad, i'm just hoping a retune will get the #'s closer to 300. I'm pretty sure its still 20psi on E85. The car was never tuned on ethanol, the guys at Revolutions just gave me a map for it.

I'm switching out the stock air intake when I get the car back next week, when I get it retuned i'll post up the new Dyno and let you guys know why it was running rich. Thanks guys!
Retune it. If they didn't tune it on E85 but simply gave you a map for it I'd say that's your issue. I certainly hope they didn't charge you anything for the map. That sounds sketchy as hell to me.

You will be able to run much higher boost with E85, I was hitting 29psi with my 68hta on E (not at altitude though).

+1 for Harvey, he tuned my Dom 3xt-r. Great guy and good tuner.
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