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| Eagel Customs |
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El falcon change head and now no compression ???
has anyone had this happen before mind you it has the wrong cam in the head??? |
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
you havn't provided enough information for any of to give you any real help.
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| Eagel Customs |
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well what info would you like just ask and i will tell.
the head if off a 97 el wagon with a 95AA part number and the cam has a 94DA part number on it. there for the cam dose not match the head and the head that was on there was a 94DA part number. so there for where have i gone wrong ??? y dose she have spark and flue pres but no compression someone told me that there may be a bent vale??? any info would be good need more info just ask need the car done asap !!! |
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
If it's got zero compression across all 6 cyls after a head change its holding valves open.
Part number on the came doesn't matter, all the stock cams have the same base circle diameter and interchangeable. Why did you replace a tickford head, 'DA' is a tickford number, with a regular head? the 94DA cam will be a late EDXR or early EFXR cam. |
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| Eagel Customs |
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sorry gents got the part numbers wrong for the heads the old one is a 94AB and the new one is 95AA
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| Eagel Customs |
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tickford_6 wrote: If it's got zero compression across all 6 cyls after a head change its holding valves open. Part number on the came doesn't matter, all the stock cams have the same base circle diameter and interchangeable. Why did you replace a tickford head, 'DA' is a tickford number, with a regular head? the 94DA cam will be a late EDXR or early EFXR cam. the engine turns over but it is like you are just turning it over without a head on it ??? its holding valves open ??? would you say that the head has bent vales or some thing wrong ???? |
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| XRfairmont67 |
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pull a spark plug out and hold your finger aver the plug hole, have a mate crank it over and see if theres any compression.
sometimes they take a bit of cranking to get it to fire and start up, did u do the timing etc by the book when u refitted it the cam wasnt a regrind was it? |
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| TROYMAN |
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sounds like the cam timing is out???
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| GUNNING |
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TROYMAN wrote: sounds like the cam timing is out??? That sounds about right...... 
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| KevinED |
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 Sorry about this thread from the dead, but I have just done a front cover reseal on my EL, and it now has no comp on 1 and 6. The others are 180 cold! Any ideas? While the timing was difficult and stopping did occur, it wasn't harsh. Cheers Kevin |
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| macxr8 |
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Age: 55 Posts: 451 Joined: 3rd Jan 2005 Ride: AU XR6 with BF Turbo engine Location: Sydney |
Did you rotate the engine at all with the chain off?
Sounds like the pistons may of hit the valve on 1 & 6 and bent them
_________________ RIP |
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| phongus |
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KevinED wrote: :evil: Sorry about this thread from the dead, but I have just done a front cover reseal on my EL, and it now has no comp on 1 and 6. The others are 180 cold! Any ideas? While the timing was difficult and stopping did occur, it wasn't harsh. Cheers Kevin Sorry I am a bit confused from both posts you made (the other being in the manual conversion thread). By front cover seal, do you mean timing chain cover? If so, did you remove the timing cover? Did you reset the timing chain tensioner after reinstalling the timing cover?
_________________ phongus = Post whore 2006 |
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1x confused Falcon..EL Falcon with full AU running gear...VCT, 5 speed, IRS, AUII front suspension, brakes, and steering RIP