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250 crossflow engine queries 

 

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 Post subject: 250 crossflow engine queries
Posted: Sun Dec 05, 2010 9:08 pm 
Parts Gopher
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my crossflow has very noisy lifters but i've heard that its a common thing in the 4.1's is this true and how long do they last usually? im not sure if these engines are like the L24's or 18rgue's and bang on forever and a day just a little insight would help as this is my first ford
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 Post subject: Re: 250 crossflow engine queries
Posted: Sun Dec 05, 2010 9:41 pm 
Getting Side Ways
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noisy lifter? will go for ages. but one day if you get a missfire it may have collapsed. they aren't hard to change though

 

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 Post subject: Re: 250 crossflow engine queries
Posted: Sun Dec 05, 2010 10:28 pm 
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how easy is it? can you get it through the side of the block or do you need to remove the head?
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 Post subject: Re: 250 crossflow engine queries
Posted: Sun Dec 05, 2010 10:32 pm 
Getting Side Ways
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need a long magnet. if your lucky and they haven't worn excessively and mushroomed over you can pull the rocker cover, rockers and pushrods out and pull them out

 

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Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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 Post subject: Re: 250 crossflow engine queries
Posted: Sun Dec 05, 2010 10:33 pm 
Parts Gopher
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alright cool cheers heaps for that
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 Post subject: Re: 250 crossflow engine queries
Posted: Sun Dec 05, 2010 11:00 pm 
Stock as a Rock
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if its alloy head you can pull the rocker cover off and get them out with a magnet or bent coat-hanger.. if it is iron head... the head has to come off
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 Post subject: Re: 250 crossflow engine queries
Posted: Sun Dec 05, 2010 11:06 pm 
Parts Gopher
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awesome!! its alloy so sounds alot easier then it is with the dirty r30 skylines lol
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 Post subject: Re: 250 crossflow engine queries
Posted: Mon Dec 06, 2010 7:24 am 
Getting Side Ways
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Waggen wrote:
if its alloy head you can pull the rocker cover off and get them out with a magnet or bent coat-hanger.. if it is iron head... the head has to come off


really? thats s**t. i've only ever owned alloy head crossflows

 

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Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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 Post subject: Re: 250 crossflow engine queries
Posted: Mon Dec 06, 2010 11:10 am 
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The cams are known for being a bit soft from XD to XF. They wore out out pretty quick when people were too lax in servicing.

 

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 Post subject: Re: 250 crossflow engine queries
Posted: Mon Dec 13, 2010 4:31 pm 
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they are really particular with the running in of the cam, have to use very good running in lube and oil, and adhere to running in the cam properly
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 Post subject: Re: 250 crossflow engine queries
Posted: Mon Dec 13, 2010 5:56 pm 
Parts Gopher
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bought new lifters and once i got home kinda realised can't be my lifters because compression is fine in all cylinders its more of a tapping/knocking noise but like i said compression is fine but when i rev the engine a bit it starts to splutter any ideas? i was thinking that my rockers might be a tiny bit loose i know its something to do with the 4th cylinder just would like an idea of what it could be before i go replacing everything and ending up with a rebuilt engine
Paul.
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 Post subject: Re: 250 crossflow engine queries
Posted: Thu Dec 16, 2010 1:38 am 
Parts Gopher
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was my bloody rockers on 1st cylinder loose as a hilton sisters furry bits! was worn that much it was sitting about 4mm lower then the bolt at its tightest which also leads me to believe it happened from lifter problems not getting any oil into it, any idea's where i can get some cheap rockers?
Paul.
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 Post subject: Re: 250 crossflow engine queries
Posted: Thu Dec 16, 2010 8:07 am 
Getting Side Ways
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or the cam is gone. lobe worn off

 

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Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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 Post subject: Re: 250 crossflow engine queries
Posted: Thu Dec 16, 2010 11:21 am 
Parts Gopher
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:x hope not! but i guess i'll find out
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