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medium working 250 Xflow EFI (need a hand) 


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 Post subject: medium working 250 Xflow EFI (need a hand)
Posted: Sat Jan 14, 2006 12:53 am 
Getting Side Ways
User avatar

Age: 28

Posts: 721

Joined: 31st Dec 2005

Ride: EF V8 Futura, 180sx

Location: Brisbane, Burpengary
QLD, Australia

Hey guys i was looking around for a nice cam for my 250 Xflow EFI and i cam across this

good mid range torque & horsepower between 1800 -5000 RPM
Intake 282 deg
Exhaust 291 deg
Intake .486"
Exhaust .512"
DURATION @ .050" lift
Intake 204 deg
Exhaust 214 deg

Is it too big or can i go bigger
i got the tighe cam 140HT which people said it to large for efi

Also are Powerboss lifters any good of there better one to buy there $54

Also for $14 i might as well install the SPEED PRO PERF VALVE LOCKS

Crow cam valve springs
They are suitable for Hydraulic cams up to .540" lift, They are approximately 1.480" in diameter and can be installed easilly with no machine work.

The installed height for these springs is 1.820 and they will give you approximately 110 lbs with the valve closed and around 280lbs at .500" valve lift, the solid height for this valve spring is approximately 1.140"

What do all you guys think of this stuff

this is all off ebay i also plan to get larger injectors off ebay also fuel pump and other gear

Like to hear your opinion i got some money for 18th Birthday on the 13th which id like to invest it into my second block to get up and running



Ford EF Futura Black
18" koya Strykers, AU engine with port and polish EB head, crow valve springs, standard cam, Large aftermarket RX7 turbo, T5 manual 3" intercooler piping, 600x300x100 intercooler core, MSII with innovate wideband O2 sensor and guage. BA F6 bodykit

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