Is 15 Degrees At 15lbs Too Advanced?

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09-16-2003, 03:50 AM

#11

jspecracer7

Senior Member

Join Date: May 2002

Location: Okinawa, Japan

Posts: 4,928

Quote:

Originally Posted by Badog' date='Sep 16 2003, 08:17 AM

Jason getting snippy in the evil forum, same thread. But don't go there.

Jason who? The rx7club owner or is "Jason" some kind of "tuner" now. The guy has terrible customer service...I'm not even going to think about his rotary ignition knowledge.

09-16-2003, 05:43 AM

#12

jasonD

Junior Member

Join Date: Apr 2003

Location: England

Posts: 14

Quote:

Originally Posted by IGY' date='Sep 16 2003, 12:32 AM

Bridge port, 19psi, 19 degrees, no split. This motor ran for over a year and then was taken apart for refresh. This was done with SDS and an Electomotive hpv-1.

I personally like around 16 degrees at 15psi tapering up to 18 degrees after peak torque. This on a power fc with 4 degrees of split.

Is this timing on fuel alone, or with water injection as well?

Jason

09-16-2003, 09:11 AM

#13

IGY

Senior Member

Join Date: Dec 2001

Location: Okinawa Japan at McDonalds

Posts: 472

Quote:

Originally Posted by jasonD' date='Sep 16 2003, 07:43 PM

[quote name='IGY' date='Sep 16 2003, 12:32 AM'] Bridge port, 19psi, 19 degrees, no split. This motor ran for over a year and then was taken apart for refresh. This was done with SDS and an Electomotive hpv-1.

I personally like around 16 degrees at 15psi tapering up to 18 degrees after peak torque. This on a power fc with 4 degrees of split.

Is this timing on fuel alone, or with water injection as well?

Jason [/quote]

No water injection and only 96 octane pump gas.

09-16-2003, 09:23 AM

#14

sub-zero

Member

Join Date: Feb 2002

Posts: 94

I have ran up to 20 PSI on 92 without water injection and 16 degrees at peak torque. I ran all Summer at 18 PSI. My AFR`s are very rich and probably helps.

09-16-2003, 10:53 AM

#15

94touring

Senior Member

Join Date: Jul 2001

Location: Tulsa, OK

Posts: 3,346

I run on 93 pump.

If anything you want to lower the timing in peak torque, this is where it is most dangerous, then gradually bring it back up to keep the power curves steady.