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| Glowing EF |
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is there a noticable difference power wise between ef/el xr6 compression ratio and standard ef/el compression
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| TROYMAN |
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power wise you wouldnt notice the difference..
according to the factory manual the std ef/el is 9.30:1 and the xr6 is 9.35:1.. which is bugger all really! |
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| FordFairmont |
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Posts: 6113 Joined: 8th May 2007 |
also take into account that 95% of eseries heads have been machined for a new gasket, some of them a couple times !!
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| Glowing EF |
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you reckon id be better off just getting a non xr engine and putting higher comp pistons in, i was told was big difference in comp between xr and non xr
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| FordFairmont |
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Posts: 6113 Joined: 8th May 2007 |
just by fitting an Au headgasket will raise comp to approx 9.8:1
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| Glowing EF |
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i dont want to play around with my motor 2 many kms on it, i want 2 get a different motor and rebuild it with higher compression pistons,theres somthing seriously wrong with my motor, stage 2 cms cam stg 3 cms head, extractors full exhaust slightly bigger injectors, cold air induction, lsd manual and still being eatn alive by a stock v6 ecotec WTF
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| shyun |
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Glowing EF wrote: i dont want to play around with my motor 2 many kms on it, i want 2 get a different motor and rebuild it with higher compression pistons,theres somthing seriously wrong with my motor, stage 2 cms cam stg 3 cms head, extractors full exhaust slightly bigger injectors, cold air induction, lsd manual and still being eatn alive by a stock v6 ecotec WTF could always try resetting the ecu or maybe getting a new fuel pump?
_________________ ED XR6, LeMans Red, 5-Speed |
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| Glowing EF |
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its got new fuel pump, changed ecu 2 an xr6 new coil all new sensors and switches
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| krisisdog |
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Is the cam dialled in right??
I wouldnt recommend the bigger injectors either, |
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| GeZza200 |
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wow you should be leaving those ecotecs behind bigtime, stock for stock you should be beating them
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| KWIKXR |
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Somethings wrong there for sure, with all those mods, the car should be going fairly hard i would of thought, a lot harder than a stock v6 commy.
Have you had it on a dyno to see what power its making and if the afr's are okay? I wouldnt recommend bigger injectors either unless they are AU items. From factory they seem to run fairly rich. |
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| Glowing EF |
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cam was dialed by joe from cms, we redialed a few times 2 get it perfect, injectors are off an au, i dynod the car awhile ago before manual conversion, the stg3 cms head and the new coil, pulled 117rwkw, oh and cam was slighly smaller
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| WagonDad |
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ACL Race series pistons come with a 5cc dish as apposed to stadard 8.5cc, raises comp to 9.6:1 from standard 9.3:1, if you combined that with a AU head gasket you would get around 10.1:1. thats assuming every thing is standard to start with, it doesnt take many cc to raise compression a few points.
_________________ 4.0L EF Fairmont Station Wagon. EL GT Snorkel. K&N Pod in air box. 3" Intake piping.
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| skidder |
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Glowing EF wrote: cam was dialed by joe from cms, we redialed a few times 2 get it perfect, injectors are off an au, i dynod the car awhile ago before manual conversion, the stg3 cms head and the new coil, pulled 117rwkw, oh and cam was slighly smaller Sorry if I missed it, but have you done a compression test on your engine? And is the ignition timing still stock or has it been changed? (yes, i know it's an ef) Have you asked Joe what his thoughts on the matter are? Only because I know the majority of his cars (well those on here anyway) have been pulling good times and numbers...
_________________ EVL098 wrote: Cramping in the hand from having it on your Wang for an excessive period of time is a definate con. Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays? AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone. |
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| Glowing EF |
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i had a problem before, i had a tooth out on my aux shaft, me and joe tried getting it back into place with out taking timing cover off, then after figured out that it only worked with troy (green machine) becase his bottom chain guide was broken, so we made the hole bigger for the bracket bolt on the dizzy dummy buteven before it still didnt feel right, and after didnt feel like much difference, im considering get a new bottom end, buying a ACL race engine rebuild kit and rebuilding it
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