Fordmods Logo

Maximum RWHP out of SOHC 4.0L with completely standard ECU 

 

Page 1 of 1 [ 7 posts ] 

 
 Post subject: Maximum RWHP out of SOHC 4.0L with completely standard ECU
Posted: Mon Apr 10, 2017 10:36 pm 
Fordmods Newbie
Offline

Age: 29

Posts: 4

Joined: 12th Nov 2016

Ride: Ford eb falcon

Location: Orange
NSW, Australia

G'day All,

Have a EB falcon Speedway car. Looking to see what power people have got out of a completely standard ECU as class requirements. All I will be adjusting will be distributor and Vernier Cam gear.

Current Mods are standard bottom end, 94AB Cylinder Head, decked 40thou, minor porting clean up around valves, stage 3 crow cam, Vernier cam gear, double valve Springs, pacemaker 4480 extractors, 3inch exhaust and just pump and reg for 98 Octane plus booster which will see 106.
What power roughly should it make at the wheels. Manual with 4.11's and 15inch wheels 235/60 15
Cheers
Top
 Profile  
 
 
 Post subject: Re: Maximum RWHP out of SOHC 4.0L with completely standard ECU
Posted: Tue Apr 11, 2017 2:20 pm 
Getting Side Ways
Offline
User avatar

Age: 54

Posts: 839

Joined: 12th Aug 2007

Gallery: 22 images

Ride: AU2 XR8 ute & 91 EA bitsa

Location: Melbourne
VIC, Australia

By saying 'completely standard ECU' , I gather you mean no J3 chips can be used to fine tune the engine?

Can you use an ED XR6 300kPa fuel reg and change to AU injectors? You're going to need more fuel in the top rev range with a bigger cam.

I reckon you might be pushing to get over 150rwkw without a chip to correct the fuel and spark.

 

_________________

AU2 XR8 with Raptor VL, ported Yella Terra GT40P heads, Scorpion 1.6 RRs, XE264HR-14 Comp Cam, ceramic coated Hurricane Headers, 60lb injectors, Walbro 255, 200cfi cats, 3" exhaust & Snow Performance water methanol injection

Top
 Profile  
 
 
 Post subject: Re: Maximum RWHP out of SOHC 4.0L with completely standard ECU
Posted: Tue Apr 11, 2017 2:55 pm 
Fordmods Junkie
Offline
User avatar

Posts: 11711

Joined: 17th May 2005

Gallery: 11 images

Ride: EL Fairmont, VFR400 racer

Power: 144 rwkw

Location: Melbourne
VIC, Australia

Shortshift wrote:
By saying 'completely standard ECU' , I gather you mean no J3 chips can be used to fine tune the engine?

Can you use an ED XR6 300kPa fuel reg and change to AU injectors? You're going to need more fuel in the top rev range with a bigger cam.

I reckon you might be pushing to get over 150rwkw without a chip to correct the fuel and spark.


I think 150rwkw can be achievable. I got 144rwkw without J3 chip/AU injectors, but I was running XR6 300kPa, manual box with 3.23 diff, Wade 1674 and timing advanced for 98RON. In saying that, not sure if the Dyno was being nice or not.

 

_________________

phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

Top
 Profile  
 
 
 Post subject: Re: Maximum RWHP out of SOHC 4.0L with completely standard ECU
Posted: Wed Apr 12, 2017 9:34 am 
Fordmods Newbie
Offline

Age: 29

Posts: 4

Joined: 12th Nov 2016

Ride: Ford eb falcon

Location: Orange
NSW, Australia

I will be using a sard adjustable fuel reg and bosch 044 pump. Injectors I would have to find out if I can go AU. So AU injectors first straight up to the EB style injection? No chips are allowed in the division. Hoping to achieve just over 200rwhp, hoping so haha
Top
 Profile  
 
 
 Post subject: Re: Maximum RWHP out of SOHC 4.0L with completely standard ECU
Posted: Wed Apr 12, 2017 12:31 pm 
Fordmods Junkie
Offline
User avatar

Posts: 11711

Joined: 17th May 2005

Gallery: 11 images

Ride: EL Fairmont, VFR400 racer

Power: 144 rwkw

Location: Melbourne
VIC, Australia

Justo_88 wrote:
I will be using a sard adjustable fuel reg and bosch 044 pump. Injectors I would have to find out if I can go AU. So AU injectors first straight up to the EB style injection? No chips are allowed in the division. Hoping to achieve just over 200rwhp, hoping so haha


AU injectors are a straight fit and will run with standard ECU. From memory my EL ran a little richer after the swap, I could smell the petrol more than with the E-series injectors. Not sure if it was placebo or just ECU relearning fuel map or something.

Throw it on the dyno and you will definitely find out what powers you're pulling. Good luck

 

_________________

phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

Top
 Profile  
 
 
 Post subject: Re: Maximum RWHP out of SOHC 4.0L with completely standard ECU
Posted: Sat Apr 15, 2017 8:53 pm 
Fordmods Junkie
Offline
User avatar

Age: 38

Posts: 1000491

Joined: 6th Nov 2004

Gallery: 2 images

Ride: AUXR6 HP With Ducati SupA Bike!

Location: Perth
WA, Australia

i had 180rwhp with my au xr6 hp,
was an auto , with full zorst, K+N and an extra hole in the airbox,

also did a 14.9 1/4 :)

not sure how much more you can get though.. maybe a few hp here and there..

are you allowed to modify the head? as a port match and more compression
could yield some gains

 

_________________

RIP SCOTT

Top
 Profile  
 
 
 Post subject: Re: Maximum RWHP out of SOHC 4.0L with completely standard ECU
Posted: Tue Apr 18, 2017 9:42 pm 
Fordmods Newbie
Offline

Age: 29

Posts: 4

Joined: 12th Nov 2016

Ride: Ford eb falcon

Location: Orange
NSW, Australia

Yeah nice. Yeah I decked the head for more comp and ported around the valves so will be interesting to see how it goes. I'll be happy with 200rwhp to be competitive
Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 1 of 1  [ 7 posts ] 

Who is online

Users browsing this forum: No registered users and 28 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Wed Sep 20, 2017 6:42 pm All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names