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Old 06-11-2003, 04:39   #1 (permalink)
1972 XA GS Fairmont
 
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250 x-flow into an XA

Would it be worth putting a 250 x-flow into my XA Fairmont? Everyone puts 8s in XA's but i dont wanna. Will i be able to get 200 kW out of a 250 x-flow?
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Old 06-12-2003, 04:06   #2 (permalink)
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i'd suggest putting a eb or newer motor into it

use the xh ute cross member
to get engine in the bay
but as for the rest i wouldnt know mate
maybe put up a thread about doing that
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Old 06-13-2003, 18:15   #3 (permalink)
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200kw out of an 8 gives you smoothness and nice torque, 200Kw out of a X Flow 6 with give you a very grumpy motor. If you are than against 8's do what gm destrpya says.
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Old 06-19-2003, 00:33   #4 (permalink)
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chris ya ****in VCAL put in an 8 ya cheap ****
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Old 06-23-2003, 04:29   #5 (permalink)
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How would you go about getting that sort of power out of a 250 xflow? I've got a 250 in reasonable nick with perry extractors, 2 1/2" sys and a K & N unit on top of the stock weber. It'd be pushing it to get 140 kw. I want more power and I'm getting a new cam and lifters, but I reckon tripple webers would be a pain in the arse and I don't know what else I could do for more power, aside from porting the head.

Cheers.
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Old 06-25-2003, 00:46   #6 (permalink)
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Re: 250 x-flow into an XA

webbers or fuel injection and a massive cam with some excessivly ported cyl head.
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Old 06-25-2003, 00:47   #7 (permalink)
100 SPEED LIMITED SILVAEA
 
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Re: 250 x-flow into an XA

webbers or fuel injection and a massive cam with some excessivly ported cyl head. would help a lot towards ur cause
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Old 06-26-2003, 21:34   #8 (permalink)
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Re: 250 x-flow into an XA

weber manifold + weber style EFi throttles plus COME stage 3 head, cam and lifters package on a rebuilt bottom end and a set of extractors and exhaust should reap about 180kw.
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Old 06-26-2003, 23:24   #9 (permalink)
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Go the COME racing stage 3 head and matching cam with a holley 465 and a redline manifold, I did and it was a huge increase over stock, i beat a 5l VL the other day.
You will be happy with the results but otherwise go an 8, my next car will have 351 clevo in it.

Dan
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Old 06-27-2003, 23:03   #10 (permalink)
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Re: 250 x-flow into an XA

heatseeker stage5 cam, anti pump-up lifters, BALANCE IT, lighten flywheel, port head, larger valves, Redline torker manifold, 350/500holley, 200CI flat top pistons on 250CI rods to boost compression-up around 11-11.5:1, Optimax, as minimum, prefers Avgas or shell racing fuel. Had this combo in a speedway car, not sure on exact power output but 3rd gear donuts were a hell of a ride.
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