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250 2V Mods - XA Falcon 

 

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 Post subject: 250 2V Mods - XA Falcon
Posted: Tue Feb 27, 2007 2:18 pm 
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Age: 110

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Ride: XY GT, XY GS 351, XY Fairmont

Location: Perth
WA, Australia

I just purchased a XA Falcon 500...what can I do to the engine? I don't know much about the 250's

Its still original engine and all, only thing that that has been done is an electronic dizzy

 

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XY Fairmont: 250, 3 on the tree, everything original except the paint
XY GS: 351, 4 speed - http://www.youtube.com/watch?v=B7AiMqt6zFw
XY GT: 351, 4 speed

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Posted: Tue Feb 27, 2007 3:34 pm 
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Location: Karratha
WA, Australia

Do you have a 2v head? i got one of your interested.
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Posted: Tue Feb 27, 2007 4:36 pm 
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Age: 110

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Gallery: 8 images

Ride: XY GT, XY GS 351, XY Fairmont

Location: Perth
WA, Australia

Yes, it already has it

 

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XY Fairmont: 250, 3 on the tree, everything original except the paint
XY GS: 351, 4 speed - http://www.youtube.com/watch?v=B7AiMqt6zFw
XY GT: 351, 4 speed

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Posted: Tue Feb 27, 2007 5:05 pm 
Getting Side Ways
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Age: 110

Posts: 564

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Gallery: 8 images

Ride: XY GT, XY GS 351, XY Fairmont

Location: Perth
WA, Australia

Is there anything that easy to do that will give it a bit of a boost?

 

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XY Fairmont: 250, 3 on the tree, everything original except the paint
XY GS: 351, 4 speed - http://www.youtube.com/watch?v=B7AiMqt6zFw
XY GT: 351, 4 speed

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Posted: Tue Feb 27, 2007 5:14 pm 
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SA, Australia

The usual I6 mods work well - the exhaust is a good place to start.

Depending on the age its amazing what a good service will do. Replace the plugs, leads, dizzy cap & rotor, and new air filter. Fresh oil and flushed cooling system. Give the carby some attention - can of carby cleaner down the throat or put a kit through it, or even replace it. Other than that, an aftermarket cam (unfortunately not quite as easy as the later model stuff), roller rockers, headwork, more compression, etc.

Besides the engine, new set of gears in the diff whill help the engine.

 

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Posted: Tue Feb 27, 2007 5:20 pm 
Getting Side Ways
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Age: 110

Posts: 564

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Gallery: 8 images

Ride: XY GT, XY GS 351, XY Fairmont

Location: Perth
WA, Australia

The engine has been redone 10,000kms ago. The leads, dizzy etc are all new...

Oil and cooling are first priority.

Carby wise I am not sure what is best... I got a 650cfm holley sitting here but thats a bit toooo big :P

 

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XY Fairmont: 250, 3 on the tree, everything original except the paint
XY GS: 351, 4 speed - http://www.youtube.com/watch?v=B7AiMqt6zFw
XY GT: 351, 4 speed

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Posted: Tue Feb 27, 2007 7:18 pm 
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Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
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You'd be amazed at how big a carby you can run on some engines. I fitted a 350 Holley on a 1600 Gemini, a 600 vac 2nd on a 250 Xflow, and saw a pair of 780 Holleys on a 265 Hemi in a Charger and did 13.7's 1/4 mile as run in street trim. And a mate has a modified Holley on a Centura with a 265 in it, the carby is around 730 CFM.

 

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Posted: Tue Feb 27, 2007 9:03 pm 
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Location: Karratha
WA, Australia

I have a 350 holly on a pre cross flow manifold, 2 of them actually.
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Posted: Tue Feb 27, 2007 9:18 pm 
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Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

bowsaw wrote:
I have a 350 holly on a pre cross flow manifold, 2 of them actually.


Was that a 2V cyl head????
I have a set of triple DHLA 45's on a slant six.
And there was some guys in Melbourne that were running triple DHLA 52's on a 265 Hemi.

 

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Posted: Wed Feb 28, 2007 1:48 am 
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a bigger carby isnt allways better most times on a stock motor it will make it lazy, a stock 250 wouldnt warrent a 350. i have a calculation somewhere to work out the exact size carby and jet sizes depending on engine specs.
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Posted: Wed Feb 28, 2007 6:18 am 
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theres no need going further then 350cfm on a stock/mild 250.
extractors from ebay or wreckers.
sport exhaust
free flow air filter
wheel alignment & balance.
get it re-jet & re-graph the dissy during tune-up to tie things up.

Thats all I'll would do unless you wanna go further.

 

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Posted: Wed Feb 28, 2007 12:52 pm 
Getting Side Ways
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Age: 110

Posts: 564

Joined: 22nd Oct 2006

Gallery: 8 images

Ride: XY GT, XY GS 351, XY Fairmont

Location: Perth
WA, Australia

Any tips for extractors? I would rather get a new set as the engine bay + engine is all nice and new :)

 

_________________

XY Fairmont: 250, 3 on the tree, everything original except the paint
XY GS: 351, 4 speed - http://www.youtube.com/watch?v=B7AiMqt6zFw
XY GT: 351, 4 speed

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Posted: Wed Feb 28, 2007 2:30 pm 
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Ride: XE 351 & BA XT FALCON

Location: Thornlie
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Pacemakers.I can recommend a good exhaust shop in perth metro area if need it :lol:
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Posted: Thu Mar 01, 2007 9:31 pm 
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If you're after a budget brand, go for genie/wildcat. nice touch for what its worth.
No point going all out for the expensive brand when theres only 1/2 to 2 hp deference.

 

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Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!!

Pakrat wrote:
You can buy them seppertly

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Posted: Thu Mar 01, 2007 9:57 pm 
Getting Side Ways
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Age: 110

Posts: 564

Joined: 22nd Oct 2006

Gallery: 8 images

Ride: XY GT, XY GS 351, XY Fairmont

Location: Perth
WA, Australia

Slick wrote:
If you're after a budget brand, go for genie/wildcat. nice touch for what its worth.
No point going all out for the expensive brand when theres only 1/2 to 2 hp deference.


I have about 6k to spend on the engine.... anything else worth doing?

 

_________________

XY Fairmont: 250, 3 on the tree, everything original except the paint
XY GS: 351, 4 speed - http://www.youtube.com/watch?v=B7AiMqt6zFw
XY GT: 351, 4 speed

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