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Tuning for high octane 

 

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Posted: Sat Dec 11, 2004 10:14 am 
Getting Side Ways
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Ride: R32 GTR

Location: Brackistan
VIC, Australia

Epitome wrote:
EL's have a knock sensor and are supposed to run the maximum advance for the fuel flowing into them, at all times.

Therefore you may not find that advancing the timing would do anything anyway.


On my EL, I run LPG using the most poverty pack Impco setup and I now get more power on LPG than other i6 falcon boys do on ULP. All I did was bumped the timing up about 6-8 degrees. Iniitally went about 10 degrees till I heard knock then backed off a few. Basically on LPG I was about half a car length slower than a regular falc on ULP, now I'm about half a car length quicker, to 100km/h.

Oh, economy has gone up from 350km/tank to about 450km/tank but that includes the torque converter clutch mod, which also makes it drive a lot less like a heap of s**t.
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Posted: Sat Dec 11, 2004 10:54 am 
Getting Side Ways
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Age: 39

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Joined: 5th Nov 2004

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Ride: ALTED XR6 - ALTED EA - EF TAXI

Location: Sunshine Coast QLD
QLD, Australia

Im still runing ULP in mine, have not tied pulp yet ... must try that .. and advance it a bit more hehe .
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Posted: Sat Dec 11, 2004 8:24 pm 
Getting Side Ways
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Bozz wrote:
Epitome wrote:
EL's have a knock sensor and are supposed to run the maximum advance for the fuel flowing into them, at all times.

Therefore you may not find that advancing the timing would do anything anyway.


On my EL, I run LPG using the most poverty pack Impco setup and I now get more power on LPG than other i6 falcon boys do on ULP. All I did was bumped the timing up about 6-8 degrees. Iniitally went about 10 degrees till I heard knock then backed off a few. Basically on LPG I was about half a car length slower than a regular falc on ULP, now I'm about half a car length quicker, to 100km/h.

Oh, economy has gone up from 350km/tank to about 450km/tank but that includes the torque converter clutch mod, which also makes it drive a lot less like a heap of s**t.



are the guy who modded the lock up clutch to be locked while accelerating?

hope you can afford new converters a few times a year. converter lock up clutches are not very big and not designed to transmit very much power

 

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Posted: Sat Dec 11, 2004 9:06 pm 
Getting Side Ways
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Age: 39

Posts: 1434

Joined: 5th Nov 2004

Gallery: 15 images

Ride: ALTED XR6 - ALTED EA - EF TAXI

Location: Sunshine Coast QLD
QLD, Australia

tickford_6 wrote:
Bozz wrote:
Epitome wrote:
EL's have a knock sensor and are supposed to run the maximum advance for the fuel flowing into them, at all times.

Therefore you may not find that advancing the timing would do anything anyway.


On my EL, I run LPG using the most poverty pack Impco setup and I now get more power on LPG than other i6 falcon boys do on ULP. All I did was bumped the timing up about 6-8 degrees. Iniitally went about 10 degrees till I heard knock then backed off a few. Basically on LPG I was about half a car length slower than a regular falc on ULP, now I'm about half a car length quicker, to 100km/h.

Oh, economy has gone up from 350km/tank to about 450km/tank but that includes the torque converter clutch mod, which also makes it drive a lot less like a heap of s**t.



are the guy who modded the lock up clutch to be locked while accelerating?

hope you can afford new converters a few times a year. converter lock up clutches are not very big and not designed to transmit very much power


Its alright, bozz has a 5spd sitting here waiting for me to chuck in for him :)
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Posted: Sun Dec 12, 2004 8:16 am 
Getting Side Ways
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Posts: 625

Joined: 6th Nov 2004

Ride: R32 GTR

Location: Brackistan
VIC, Australia

tickford_6 wrote:
Bozz wrote:
Epitome wrote:
EL's have a knock sensor and are supposed to run the maximum advance for the fuel flowing into them, at all times.

Therefore you may not find that advancing the timing would do anything anyway.


On my EL, I run LPG using the most poverty pack Impco setup and I now get more power on LPG than other i6 falcon boys do on ULP. All I did was bumped the timing up about 6-8 degrees. Iniitally went about 10 degrees till I heard knock then backed off a few. Basically on LPG I was about half a car length slower than a regular falc on ULP, now I'm about half a car length quicker, to 100km/h.

Oh, economy has gone up from 350km/tank to about 450km/tank but that includes the torque converter clutch mod, which also makes it drive a lot less like a heap of s**t.



are the guy who modded the lock up clutch to be locked while accelerating?

hope you can afford new converters a few times a year. converter lock up clutches are not very big and not designed to transmit very much power


Absolute rubbish. Think of the poor XH panel van/ute owners. Take one for a drive and tell me what the lockup clutch does when driving. Why does the ECU tell the TCC to lock up if you keep the selector in third gear, above 65km/h?

For those that dont know, this is the XH shift sequence for normal acceleration, on economy mode:

First
Second (20km/h)
Third (45km/h)
Lockup in third (50km/h)
Fourth (70km/h)
Lockup in fourth. ( >85km/h)

On kickdown to third above 50km/h, the lockup clutch engages. at up to about 3/4 throttle. Above about 70km/h, on kickdown to third, the ECU will not allow the TCC to be unlocked. Extra throttle results in kickdown to second. Can you feel the pain all these XH owners are going through by replacing the TC every few months? The horror!

On a standard EB2 > EL, why does the ECU tell the TCC to lock up if you keep the selector in third gear, above 65km/h? Get to 80km/h in third gear and try accelerate harder WITHOUT the TCC disengaging or kicking down to second gear? Can you feel the poor torque converter clutch slipping like crazy? Didn't think so.

--------
edit:

On a further note, why does my auto's fluid look and smell brand new, after 20,000km of hard driving with the TCC mod? Every other auto I've seen has already discoloured and has an odour to it.

I wouldn't mind finding out from an auto specialist how durable the auto is in the XH to find out if it needs more or less frequent rebuilds compared to standard EB2 to EL falcons. The reason your standard falcons dont lock up is because it creates a lot of NVH. Having the TC in slip mode makes it nice and smooth for the obese target market of the car. The trade vehicles such as utes and panel vans are not needed to be as smooth or quiet so they have a different shift pattern.
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Posted: Sun Dec 12, 2004 8:29 am 
Getting Side Ways
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Posts: 625

Joined: 6th Nov 2004

Ride: R32 GTR

Location: Brackistan
VIC, Australia

au2low wrote:
tickford_6 wrote:
Bozz wrote:
Epitome wrote:
EL's have a knock sensor and are supposed to run the maximum advance for the fuel flowing into them, at all times.

Therefore you may not find that advancing the timing would do anything anyway.


On my EL, I run LPG using the most poverty pack Impco setup and I now get more power on LPG than other i6 falcon boys do on ULP. All I did was bumped the timing up about 6-8 degrees. Iniitally went about 10 degrees till I heard knock then backed off a few. Basically on LPG I was about half a car length slower than a regular falc on ULP, now I'm about half a car length quicker, to 100km/h.

Oh, economy has gone up from 350km/tank to about 450km/tank but that includes the torque converter clutch mod, which also makes it drive a lot less like a heap of s**t.



are the guy who modded the lock up clutch to be locked while accelerating?

hope you can afford new converters a few times a year. converter lock up clutches are not very big and not designed to transmit very much power


Its alright, bozz has a 5spd sitting here waiting for me to chuck in for him :)


Waiting for *YOU* to chuck it in? I'm holding you to that, I'm gonna go out on the beach while *YOU* are doing it :) :D
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Posted: Mon Dec 13, 2004 7:28 pm 
Getting Side Ways
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Age: 43

Posts: 2705

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Ride: 2009 FG XR6 Sedan

Location: Melbourne
VIC, Australia

MAN ive opened a can of worms here lol!!!
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