Question regarding setting timing and spout connector

Phinney · March 27th, 2011, 01:21 PM

I am playing with the timing now trying to get this car up to its potential. Heres what I have done

I set the initial timing while the car was idling with the spout connector in place to 10 BTDC. Took a test drive and it had more power, but less than it did before the rebuild.

I just tried setting timing with the spout disconnected, and I set initial timing to 18 BTDC (someone said it is safe to go this high). I turned the engine off and then plugged the spout back in. When i started the car again the timing was sitting right around 30 BTDC! Is that normal? Is that what is supposed to happen. I let it idle and revved it a few times but I am afraid to drive it like that until someone tells me I should.

Any help is appreciated!

EDIT I am running about 16-18 PSI right now on my IHI

zonker · March 27th, 2011, 08:33 PM

to set the timing you have to pull the spout so it doesn't add the eec's share of timing in.

set it with spout disconnected at 10 BTDC. Then drive it. If it's running ok, and no detonation, then pull the spout and set it at 18 BTDC. Drive and check again.

Got detonation? Power loss?

If yes, then pull spout and set timing at 14 BTDC. Drive again.

Keep doing this until you clear yourself from any detonation, then pull the spout and back it off 2 degrees from that setting and leave it there.

Phinney · March 27th, 2011, 08:56 PM

Well so far the power has only gone up with no detonation to 18 BTDC. Am I to assume I should go up another two degrees? Then more? At what point am I wasting some of the power created during combustion?

03 R Code · March 28th, 2011, 02:03 AM

With a decent amount of boost you should not set the timing that high. Will most likely blow the head gasket very soon, unless the hardware and gasket are better than factory pieces.

Phinney · March 28th, 2011, 07:13 AM

I have a full set of sealed power gaskets for turbo engine in it. Honestly if a blown head gasket is all I have to worry about it, bring it on! That's about a five minute repair on this engine!

Cgross609 · March 29th, 2011, 02:13 AM

Haha No doubt! Most time consuming part is getting everything out of the way to pull the head! lol

03 R Code · March 29th, 2011, 02:53 AM

What if that blown gasket allows coolant to get on top of a cyliner? Then it's more than a 5 minute job! Not worth the risk for an extra few hp, for me at least.

March 27th, 2011, 01:21 PM	#1
Phinney Regular 2004 Mustang Convertible Join Date: Apr 2009 Location: Fort Lauderdale, FL Posts: 156 iTrader: 0 reviews	Question regarding setting timing and spout connector I am playing with the timing now trying to get this car up to its potential. Heres what I have done I set the initial timing while the car was idling with the spout connector in place to 10 BTDC. Took a test drive and it had more power, but less than it did before the rebuild. I just tried setting timing with the spout disconnected, and I set initial timing to 18 BTDC (someone said it is safe to go this high). I turned the engine off and then plugged the spout back in. When i started the car again the timing was sitting right around 30 BTDC! Is that normal? Is that what is supposed to happen. I let it idle and revved it a few times but I am afraid to drive it like that until someone tells me I should. Any help is appreciated! EDIT I am running about 16-18 PSI right now on my IHI __________________ 2004 Convertible - SOLD 1999 Coupe - SOLD 1966 Coupe - SOLD 1987 TurboCoupe - Cut in prices! 1970 Coupe - Soon to be 140 Turbo! 1984 El Camino Conquista - moving truck 2011 Convertible V6 Base 2012 Coupe GT Premium 5.0 Baby!

March 27th, 2011, 08:33 PM	#2
zonker Enthusiast 1991 Mustang LX 2.3 Join Date: Sep 2010 Location: Temecula, CA Posts: 660 iTrader: 0 reviews	to set the timing you have to pull the spout so it doesn't add the eec's share of timing in. set it with spout disconnected at 10 BTDC. Then drive it. If it's running ok, and no detonation, then pull the spout and set it at 18 BTDC. Drive and check again. Got detonation? Power loss? If yes, then pull spout and set timing at 14 BTDC. Drive again. Keep doing this until you clear yourself from any detonation, then pull the spout and back it off 2 degrees from that setting and leave it there. __________________ Rob 1987 Mustang 2.3 LX Convert (T5) project 2.5 N/A HP 1991 Mustang 2.3 LX Convert (A4LD) 1992 Mustang 2.3 LX Convert (A4LD) 41.52 mpg!! 1994 Capri XR2 1.6 Turbo Convert 1999 ZX2 S/R 2.0 Coupe http://zxtuner.com

March 27th, 2011, 08:56 PM	#3
Phinney Regular 2004 Mustang Convertible Join Date: Apr 2009 Location: Fort Lauderdale, FL Posts: 156 iTrader: 0 reviews	Well so far the power has only gone up with no detonation to 18 BTDC. Am I to assume I should go up another two degrees? Then more? At what point am I wasting some of the power created during combustion? __________________ 2004 Convertible - SOLD 1999 Coupe - SOLD 1966 Coupe - SOLD 1987 TurboCoupe - Cut in prices! 1970 Coupe - Soon to be 140 Turbo! 1984 El Camino Conquista - moving truck 2011 Convertible V6 Base 2012 Coupe GT Premium 5.0 Baby!

March 28th, 2011, 02:03 AM	#4
03 R Code MM Fanatic unstoppable @ speed of light Join Date: Jul 2006 Location: Knees deep in dat ass Posts: 3,103 iTrader: 0 reviews	With a decent amount of boost you should not set the timing that high. Will most likely blow the head gasket very soon, unless the hardware and gasket are better than factory pieces. __________________ Political correctness is a doctrine fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end.

March 28th, 2011, 07:13 AM	#5
Phinney Regular 2004 Mustang Convertible Join Date: Apr 2009 Location: Fort Lauderdale, FL Posts: 156 iTrader: 0 reviews	I have a full set of sealed power gaskets for turbo engine in it. Honestly if a blown head gasket is all I have to worry about it, bring it on! That's about a five minute repair on this engine! __________________ 2004 Convertible - SOLD 1999 Coupe - SOLD 1966 Coupe - SOLD 1987 TurboCoupe - Cut in prices! 1970 Coupe - Soon to be 140 Turbo! 1984 El Camino Conquista - moving truck 2011 Convertible V6 Base 2012 Coupe GT Premium 5.0 Baby!

March 29th, 2011, 02:13 AM	#6
Cgross609 Regular 93 Mustang LX 2.3 T-5 Join Date: Sep 2010 Location: Vegreville, AB Posts: 270 iTrader: 0 reviews	Haha No doubt! Most time consuming part is getting everything out of the way to pull the head! lol __________________ 93 2.3l LX U.S. 15x7 ten hole rims Calypso green Moates QH T-5 Conversion Dual 2.5" Exhaust with Thrush Welded muffler

March 29th, 2011, 02:53 AM	#7
03 R Code MM Fanatic unstoppable @ speed of light Join Date: Jul 2006 Location: Knees deep in dat ass Posts: 3,103 iTrader: 0 reviews	What if that blown gasket allows coolant to get on top of a cyliner? Then it's more than a 5 minute job! Not worth the risk for an extra few hp, for me at least. __________________ Political correctness is a doctrine fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end.

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