Engine management/tuning help.

JapCarForum Car Manufacturers Lexus/Toyota IS200 / IS300 / SPORTCROSS / Altezza Engine management/tuning help.

Engine management/tuning help.

Engine management/tuning help.

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ozzie b
Member

56

25-02-2021, 08:32 AM

#1

Right so here's the thing, I've got an idea of what I want and most of the parts needed to do it.

With me being an amateur (at best) DIY mechanic when it comes to fuelling/ engine management I haven't a clue.

So, I have a larger pulley for the charger between 145-150mm

At the minute I have no ecu as far as I know and the car runs well, no missing stuttering or delay on acceleration or anything like that.

If I install the new pulley will I need some sort of re map or ecu?

Will I need or is it worth getting some larger injectors.

I don't want to run the risk of it leaning out and f£&@ing my engine all together so any help appreciated Smile

Smile

Being back mechanical fuel injection / carbs ey! Wink

Wink

ozzie b

25-02-2021, 08:32 AM #1

Right so here's the thing, I've got an idea of what I want and most of the parts needed to do it.

With me being an amateur (at best) DIY mechanic when it comes to fuelling/ engine management I haven't a clue.

So, I have a larger pulley for the charger between 145-150mm

At the minute I have no ecu as far as I know and the car runs well, no missing stuttering or delay on acceleration or anything like that.

If I install the new pulley will I need some sort of re map or ecu?

Will I need or is it worth getting some larger injectors.

I don't want to run the risk of it leaning out and f£&@ing my engine all together so any help appreciated Smile

Being back mechanical fuel injection / carbs ey! Wink

Sparkystav
Administrator

14,683

25-02-2021, 08:53 AM

#2

Ecu would be advisable. Need to add fuel at the top end.

Injectors I'd say no and see how you go.

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

Sparkystav

25-02-2021, 08:53 AM #2

Ecu would be advisable. Need to add fuel at the top end.

Injectors I'd say no and see how you go.

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

ozzie b
Member

56

25-02-2021, 09:20 AM

#3

Any opinions on an ecu to go for? I've had a quick look and can only seem to find stand alone ones ATM a bit excessive for what I will be running I think! Smile

Smile

ozzie b

25-02-2021, 09:20 AM #3

Any opinions on an ecu to go for? I've had a quick look and can only seem to find stand alone ones ATM a bit excessive for what I will be running I think! Smile

Sparkystav
Administrator

14,683

25-02-2021, 09:21 AM

#4

An emanage ultimate is more than enough mate

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

Sparkystav

25-02-2021, 09:21 AM #4

An emanage ultimate is more than enough mate

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

ozzie b
Member

56

25-02-2021, 09:23 AM

#5

Don't suppose there is any more pocket friendly alternatives Confused

Confused

lol

ozzie b

25-02-2021, 09:23 AM #5

Don't suppose there is any more pocket friendly alternatives Confused lol

Sparkystav
Administrator

14,683

25-02-2021, 09:46 AM

#6

Anything that can add fuel should do for just a pully upgrade.

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

Sparkystav

25-02-2021, 09:46 AM #6

Anything that can add fuel should do for just a pully upgrade.

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

ozzie b
Member

56

25-02-2021, 10:03 AM

#7

Cheers for the help, thinking if I'm doing it might aswell do it right, other bits and bobs are following so need to be able to do mapping as I want her running right.

ozzie b

25-02-2021, 10:03 AM #7

Cheers for the help, thinking if I'm doing it might aswell do it right, other bits and bobs are following so need to be able to do mapping as I want her running right.

ozzie b
Member

56

25-02-2021, 10:06 AM

#8

What boost are u running btw stav? was going to ask a while ago Smile

Smile

id love me some Gte internals one day!

ozzie b

25-02-2021, 10:06 AM #8

What boost are u running btw stav? was going to ask a while ago Smile id love me some Gte internals one day!

Sparkystav
Administrator

14,683

25-02-2021, 12:40 PM

#9

I'm running 1.25 at the moment mate.

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

Sparkystav

25-02-2021, 12:40 PM #9

I'm running 1.25 at the moment mate.

[Image: LexuS-Copy.jpg]

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.

OutlawJapClub Admin Team

ozzie b
Member

56

25-02-2021, 12:46 PM

#10

Will the e manage unit need a vehicle specific harness or would the universal harness kit be enough for someone who knew what they were doing? Nice, bet it sounds with that turbo barble Wink

Wink

would love to see it one day, hopefully will be at a few meets this year all being well Smile

Smile

ozzie b

25-02-2021, 12:46 PM #10

Will the e manage unit need a vehicle specific harness or would the universal harness kit be enough for someone who knew what they were doing? Nice, bet it sounds with that turbo barble Wink would love to see it one day, hopefully will be at a few meets this year all being well Smile

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