Does the Endyn SC mod really work

[rjaffey]

I agree you've been through a lot there, but lower temps at higher boost should equal more power. There are a lot of variables to mess with and I'm wondering what you've tried in order to tune your car? Last I remember, you needed to replace a rather restrictive exhaust system...

On another note, the owner of this fine site we're all using here had the mods done on his system. Any comments from you 1QuickSi?


[This message has been edited by rjaffey (edited February 07, 2002).]

[11psiGSR]

Here is my list of current engine mods:

?ENDYN? modified, Jackson Racing Supercharger @ 12-16lbs
50-70 Shot, Dry manifold NOS
?ENDYN? modified, Wiseco pistons (9.3:1 CR)
?ENDYN? modified, Eagle rods
Posted block
?ENDYN? aero treated crankshaft
?ENDYN? ported and polished head and 5 angle valve job.
?ENDYN? valve springs
EFI Systems PMS Engine management
EFI Systems InterACQ for Windows data logging software with Dell CPi PII laptop.
RC 440cc injectors
?ENDYN? modified Bosch fuel pump
STR Fuel Rail
Vortech Fuel Pressure Riser
J&S Ultra Safeguard v2.0 w/monitor
MSD 6BTM ignition
MSD Blaster SS coil
MSD Blaster Cap
MSD 8.5mm wires
Unorthodox Adjustable Cam Gears (I&E)
Nakayama Intake
Kamikaze 4-1 headers with 2.5? downpipe
CarSound 3? Cat
Thermal R&D 3? Stainless exhaust
Moroso Aluminum Oil pan
Moroso Catch can

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[This message has been edited by 11psiGSR (edited February 07, 2002).]

[217gsr]

Wow. Just out of curiosity, 11psiGSR. . . do you have a current dyno plot or current 1/4 mile times?

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6 psi JRSC GSR: 3" intake -> 217 hp/155 ft-lbs.
New: Endyn stepper, GSS342

[Peyomp]

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by 11psiGSR:
Here is my list of current engine mods:

?ENDYN? modified, Jackson Racing Supercharger @ 12-16lbs
50-70 Shot, Dry manifold NOS
?ENDYN? modified, Wiseco pistons (9.3:1 CR)
?ENDYN? modified, Eagle rods
Posted block
?ENDYN? aero treated crankshaft
?ENDYN? ported and polished head and 5 angle valve job.
?ENDYN? valve springs
EFI Systems PMS Engine management
EFI Systems InterACQ for Windows data logging software with Dell CPi PII laptop.
RC 440cc injectors
?ENDYN? modified Bosch fuel pump
STR Fuel Rail
Vortech Fuel Pressure Riser
J&S Ultra Safeguard v2.0 w/monitor
MSD 6BTM ignition
MSD Blaster SS coil
MSD Blaster Cap
MSD 8.5mm wires
Unorthodox Adjustable Cam Gears (I&E)
Nakayama Intake
Kamikaze 4-1 headers with 2.5? downpipe
CarSound 3? Cat
Thermal R&D 3? Stainless exhaust
Moroso Aluminum Oil pan
Moroso Catch can

<HR></BLOCKQUOTE>

Wow, so you got a stand alone ECU and you unplugged your exhaust... and you still can't get any power at more than 12psi? Are you using the EFI PMS for fuel and ignition maps, or are you still relying on the Vortech FMU?

Have you had Ed at Engineered Performance or anyone else try to extract power from high boost using the PMS, since you unplugged your exhaust? I assume you got it through him, since thats his system of choice.

Doesn't seem possible that you wouldn't make a boat load of power with an Ed tuned engine eating 17psi at 220F... thats a hell of alot of air density getting pushed in.

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[11psiGSR]

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by 217gsr:
Wow. Just out of curiosity, 11psiGSR. . . do you have a current dyno plot or current 1/4 mile times?

<HR></BLOCKQUOTE>

Yes, I have had many dyno runs since around July of last year. The last one was in early December. Don't have in scanned in.

1/4 mile times? Yeah, right. Not until the car is running right... all it would do is piss me off if I took it to the track.

[11psiGSR]

[QUOTE]Originally posted by Peyomp:[/qoute]
Wow, so you got a stand alone ECU and you unplugged your exhaust... and you still can't get any power at more than 12psi? Are you using the EFI PMS for fuel and ignition maps, or are you still relying on the Vortech FMU?

Vortech SFMU has been removed... only using PMS for fuel.

Have you had Ed at Engineered Performance or anyone else try to extract power from high boost using the PMS, since you unplugged your exhaust? I assume you got it through him, since thats his system of choice.

Ed has done all tuning on the car since I got the "shaft" from ENDYN. Ed has spent many hours with the car. He knows me and the car well. I've been going to Ed for over 4 years now.

Doesn't seem possible that you wouldn't make a boat load of power with an Ed tuned engine eating 17psi at 220F... thats a hell of alot of air density getting pushed in.

I agree... on paper everything seems good. In reality, it is AT BEST... as fast as it was when the project began.

If you have any ideas for me to try, I would love to hear them... I am sure Ed would be interested too. Next time you talk to him, ask him about my car. He can reiterate what we have gone through.

Allan



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[11psiGSR]

BTW: The hp/tq figures above are WITHOUT NOS. We are scared to squeeze the juice with it running the way it is.

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[Peyomp]

If Ed can't make it work... I sure as fuck can't. I guess there is problem with the engine itself if the blower works as stated. I've only met the guy once, but I've heard enough about him to know he's good.

So is the problem that you get big detonation at above 12psi due to the heat and the high CR Endyn recommended? And he can't extract any more power from it because he has to crank the timing back so far that it goes away, to avoid detonation?


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[11psiGSR]

[QUOTE]Originally posted by Peyomp:[/qoute]
If Ed can't make it work... I sure as fuck can't. I guess there is problem with the engine itself if the blower works as stated. I've only met the guy once, but I've heard enough about him to know he's good.

I have spoke to many people about the situation... Including the gentlemen that's last name is attached to our intake manifolds. His opinion after a 1 hour or so conversation was to start over with a new motor and blower. Apparently what sounds good on paper, has turned out to be far from reality.

So is the problem that you get big detonation at above 12psi due to the heat and the high CR Endyn recommended? And he can't extract any more power from it because he has to crank the timing back so far that it goes away, to avoid detonation?

Detonation does rear it's ugly head. Although I would not consider 9.3:1 high, it's certainly seems for this application it is. Timing is impossible to hold on the car. Ed has a dyno run of a 95 GSR (same year), with a JRSC @ 9lbs and a bone stock motor running a little over 250hp. The only difference between our situation is ENDYN did not "massage" his motor and blower. Since has has the PMS w/datalogging, we ran our dyno runs side by side. At any given RPM I am AT LEAST 10 degrees behind in timing.

[AMslp_late]

I was thinking the opposite on the compression ratio. Maybe run less boost and more compression? But that means taking your engine apart... so screw that. You know 220 degrees F is pretty damn hot no matter what psi you're shoving it in at. If this blower runs cooler than a non-"modified" blower at that psi... it would probably do the same on a smaller scale at a lower psi. So maybe running lower boost is your answer.... but then again you really need higher compression to make up the difference.
Oh yeah and the fabled intercooler (holy grail) would help a helluvalot.

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96gsr 4door w/ a big hole where the motor is supposed to be!
Current daily driver = 88 civic LX hybrid JDM B16A5 - 1/4...14.6 @ 94