Fordmods Logo

Ef or au 4.0 engine 

 

Page 1 of 1 [ 4 posts ] 

 
 Post subject: Ef or au 4.0 engine
Posted: Sun Sep 22, 2013 11:48 pm 
Oompa Loompa
Offline

Posts: 43

Joined: 28th Apr 2013

Ride: EF falcon

Location: Perth
WA, Australia

I have a ef falcon with a au xr6 Engine the engine has a cracked oil ring its blowing clouds of white smoke on de accelaration . I want to replace the motor should I get a average k au bottom end and put my tickford head on it or use a ef botom end and use my tickfordhead what would be better in performance

Car has these mods

Shift kitted auto
4:11 LSD
Pacemaker 2 1/2 inch single exhaust
Au xr6 Tickford engine with larger exhuat ports
440cc injectors


Ef bottom end or au bottom what one should I use
Top
 Profile  
 
 
 Post subject: Re: Ef or au 4.0 engine
Posted: Mon Sep 23, 2013 5:56 am 
Getting Side Ways
Offline
User avatar

Age: 25

Posts: 4599

Joined: 30th Aug 2010

Ride: BF XR6,

Location: NEWCASTLE
NSW, Australia

Au falcon has a higher compression ratio and is screwed together better. Au is newer than an e series engine

 

_________________

BF XR6
xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

Top
 Profile  
 
 
 Post subject: Re: Ef or au 4.0 engine
Posted: Mon Sep 23, 2013 10:23 am 
Getting Side Ways
Offline
User avatar

Age: 49

Posts: 6467

Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

jake8090 wrote:
I have a ef falcon with a au xr6 Engine the engine has a cracked oil ring its blowing clouds of white smoke on de accelaration .

Car has these mods

Shift kitted auto
4:11 LSD
Pacemaker 2 1/2 inch single exhaust
Au xr6 Tickford engine with larger exhuat ports
440cc injectors


Have you got a J3 chip or similar aftermarket ECU for using those bigger injectors ???
If not, then you will be having a "bore wash" problem, thinning the oil, and buggering the engine in general.
Oil rings don't crack....they get gummed up however, from lack of servicing.

 

_________________

http://youtu.be/jJTh9F3Vgg0

Top
 Profile  
 
 
 Post subject: Re: Ef or au 4.0 engine
Posted: Mon Sep 23, 2013 6:05 pm 
Technical Contributor
Offline

Age: 60

Posts: 6817

Joined: 22nd Jun 2005

Gallery: 8 images

Ride: EF Fairmont

Location: Campbelltown
NSW, Australia

jake8090 wrote:
I have a ef falcon with a au xr6 Engine the engine has a cracked oil ring its blowing clouds of white smoke on de accelaration . I want to replace the motor should I get a average k au bottom end and put my tickford head on it or use a ef botom end and use my tickfordhead what would be better in performance

Car has these mods

Shift kitted auto
4:11 LSD
Pacemaker 2 1/2 inch single exhaust
Au xr6 Tickford engine with larger exhuat ports
440cc injectors


Ef bottom end or au bottom what one should I use


Why are you using 42lb injectors? they are twice the size you need for 4.0L NA, and with the small mods you have they are not required. As cjh said, you will overfuel and stuff you oil and the engine.
Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 1 of 1  [ 4 posts ] 

Who is online

Users browsing this forum: No registered users and 14 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 Thu Dec 14, 2017 6:25 am All times are UTC + 11 hours

 

 

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