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MORE POWER for my 4.1 x-flow 

 

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 Post subject: MORE POWER for my 4.1 x-flow
Posted: Fri Aug 03, 2007 11:39 am 
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Age: 38

Posts: 11

Joined: 29th Jul 2007

Ride: coon xf

Location: Takapau
New Zealand

I have just bought a 85 falcon ute on LPG , it's a stock 4.1 with 3 speed auto and i'm wondering how I can get more killerwatts out of her with minnimal cost . And also what measurement a compression test should be . Any tips would be much appreciated thanks . :twisted:

 

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Posted: Fri Aug 03, 2007 12:16 pm 
Getting Side Ways
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Age: 29

Posts: 2563

Joined: 19th Feb 2007

Gallery: 21 images

Ride: 98 EL Futura

Power: 199 rwkw

Location: Lilydale
VIC, Australia

I'd always start with a decent set of extractors and a 2.5" exhaust and go from there

 

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EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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Posted: Fri Aug 03, 2007 7:24 pm 
Getting Side Ways
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Age: 49

Posts: 6467

Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

Lower the diff ratio, its more than likely to be 2.77:1. Change them to 3.23 or 3.27:1 in LSD. Get a hi stall convertor, about 2,500rpm, then start on the donk. Extractors, tweek the dizzy, cam...etc...

 

 

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Nathans XF Ute 250 Xflow. 005.jpg
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Posted: Fri Aug 03, 2007 7:36 pm 
Getting Side Ways
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Age: 41

Posts: 3785

Joined: 5th Nov 2004

Ride: Ford

Location: Victoria
VIC, Australia

A bloke up the road has a 4.1 XE with twin down draught Webers, A lumpy cam and extractors and it is one of the most powerful 4.1's I've ever known. He's selling the car so I might buy it for a few parts then I'll be selling the engine and gearbox.

 

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Posted: Fri Aug 03, 2007 10:54 pm 
Getting Side Ways
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Age: 39

Posts: 1807

Joined: 6th Feb 2006

Location: CENTRAL
VIC, Australia

the crossy go hard with the right set up, i have a crossy that would blow the doors off most of the N/A I6's on here, doesnt really have a idel under 1200 rpm and is paracticly underivable under 1500rpm, only cost around 1k to build.

anyways mate what is the ute for work, fun, daily driver ? and what are you looking to spend ?
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