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Before I start, I dont want a rocket ship, and I am on a reasonable budget aswell...
I have an XE 250 carb, with 3 speed auto (yuck), and want abit more get up and go with out major fuel effiecency losses...
My ideas are
1) Extractors
2) 2.5" Exhaust
3) Electric Cooling fan
4) New cam (mild) - any suggestions& what results should I expect??
5) Regraph dizzy
thats about it...
What sort of budget should I be looking at to do this, and at the end of the day, are the gains going o be worth the money/hassle?
I think a manual conversion would be your best bang for ya buck
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1993 ED XR6 M5 (1 of 329)
Polynesian Green
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1993 EBII Fairmont (Now wrecking, PM if you want any parts)
1988 Nissan R31 Skyline
On my previous car, an XF falconm I ran extractors, 2 1/2 inch exhaust, mildly ported alloy head, AFR intake with a holly 350 carb. I ran constant 14.1-14.4's with the 3 speed auto and 3.23 gears. The fuel economy did not change from stock.
thats about it...
What sort of budget should I be looking at to do this, and at the end of the day, are the gains going o be worth the money/hassle?
anyone got any suggestions/comments?
250 carbed engines are sluggers, not worth the hassle cause you're going to be disappointed.
You need to do serious work to the engine to get some satisfaction out of it.
I wouldn't bother with the electric fans, the clutch fan setup is fine (I tried the thermos on my XD and in the end I went back to the Clutch setup)
Whilst I agree the 250's are slugs they do respond quite well to exhaust and cam combinations, whilst I haven't personally done the cam, my XD has a twin barrel webber (on the XE manifold) Genies and 2" exhaust. Mines a manual with the 2.92 ratio LS Diff. Cruises nicely on the open road and delivers around 550 kms out of a 75 lt tank.
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