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crispykman
Fordmods Newbie
Age:23
Posts: 8
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Location: melbourne VIC, Australia
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 Posted: Sun Jun 22, 2008 12:13 pm Post subject: my ef 4.0L |
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| anyone know if you can get straight cut gears for a worked ef 4.0L engine
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krisisdog
Fordmods - Getting Side Ways
Age:19
Posts: 1868
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Location: Grafton NSW, Australia
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| Posted: Sun Jun 22, 2008 6:59 pm Post subject: |
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| Either that or for the 'box.
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crispykman
Fordmods Newbie
Age:23
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| Posted: Thu Jul 03, 2008 2:06 pm Post subject: |
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| well i dont know thats why i`m asking to see if any one makes straight cut gears to replace the chain. Just like v8`s go straight cut gears so you have no timing chain
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XR6EB
Fordmods Stock as a Rock
Age:26
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Location: Western Sydney NSW, Australia
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| Posted: Thu Jul 03, 2008 6:13 pm Post subject: |
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| I've been looking for years, and have never found any.
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XR6EB
Fordmods Stock as a Rock
Age:26
Posts: 117
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| Posted: Fri Jul 04, 2008 10:36 am Post subject: |
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| Krytox wrote: | Thats because no idiot would make them.
Think about it, the front end would end up looking like a Lucas Oil Stabiliser Display.
You'd be better off with a belt setup. but once again, what for and no-one would and too much work for a aussie engine. |
Running a Jim Mock DEV 5 cam, I "stretched" the timing chain and broke the chain guides TWICE in the first 11000km of my rebuild!!!! Straight cut gears would have eliminated this issue and saved me $2000 in repairs [the second time a pieces of the chain went into the sump and destoryed the oil pump as well. The car stopped in the middle of Liverpool. $$$$ expensive trip getting it towed home + the time off work with no car + cancelling my holidays because I used up the money on the repairs !!!] And yes, I did realise that it would end up looking like a Lucas Oil display, but I wasn't concerned if it resloved my issues!
Anyway, thats just my feedback. Hopefully others can learn from my experiences.
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fiftyone
Fordmods - Getting Side Ways
Age:21
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Location: Ballarat VIC, Australia
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| Posted: Fri Jul 04, 2008 11:26 am Post subject: |
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| how often do the chains on an i6 need replacing, if at all?
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FairmontXR6
Fordmods - Getting Side Ways
Age:23
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Location: Brisbane QLD, Australia
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| Posted: Fri Jul 04, 2008 6:22 pm Post subject: |
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| XR6EB wrote: | | Krytox wrote: | Thats because no idiot would make them.
Think about it, the front end would end up looking like a Lucas Oil Stabiliser Display.
You'd be better off with a belt setup. but once again, what for and no-one would and too much work for a aussie engine. |
Running a Jim Mock DEV 5 cam, I "stretched" the timing chain and broke the chain guides TWICE in the first 11000km of my rebuild!!!! Straight cut gears would have eliminated this issue and saved me $2000 in repairs [the second time a pieces of the chain went into the sump and destoryed the oil pump as well. The car stopped in the middle of Liverpool. $$$$ expensive trip getting it towed home + the time off work with no car + cancelling my holidays because I used up the money on the repairs !!!] And yes, I did realise that it would end up looking like a Lucas Oil display, but I wasn't concerned if it resloved my issues!
Anyway, thats just my feedback. Hopefully others can learn from my experiences. |
I had the same issues with my dev5 cam/head kit. I had the chain and gears and guides replaced the next day after we fitted the kit. Cam stretched the chain again, took the cam back out 4 weeks later and put in the stock xr cam, then put in a billet from surecam - no problems since. I wouldn't mind the straight cut gear setup, even if it is a bit noisy. Once I get the block rebuilt, a new chain will go in again.
As quoted, I hope ppl learn from my experiance as well.
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tickford_6
Fordmods - Getting Side Ways
Age:25
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Location: townsville QLD, Australia
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| Posted: Fri Jul 04, 2008 8:18 pm Post subject: |
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| XR6EB wrote: | | Krytox wrote: | Thats because no idiot would make them.
Think about it, the front end would end up looking like a Lucas Oil Stabiliser Display.
You'd be better off with a belt setup. but once again, what for and no-one would and too much work for a aussie engine. |
Running a Jim Mock DEV 5 cam, I "stretched" the timing chain and broke the chain guides TWICE in the first 11000km of my rebuild!!!! Straight cut gears would have eliminated this issue and saved me $2000 in repairs [the second time a pieces of the chain went into the sump and destoryed the oil pump as well. The car stopped in the middle of Liverpool. $$$$ expensive trip getting it towed home + the time off work with no car + cancelling my holidays because I used up the money on the repairs !!!] And yes, I did realise that it would end up looking like a Lucas Oil display, but I wasn't concerned if it resloved my issues!
Anyway, thats just my feedback. Hopefully others can learn from my experiences. |
it'd be easier and cheap to just buy a different cam. the cam is the problem, not timing chain.
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Nigel
Fordmods - Getting Side Ways
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Location: Sydney NSW, Australia
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| Posted: Fri Jul 04, 2008 8:25 pm Post subject: |
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I had similar issues on a 4.1 engine I had rebuilt. The combination of Stage 4 cam and high volume oil pump did the damage - but on that car it was the dizzy drive gears that got munched. Apparently if you had big valve springs the cam would flex as well causing a poor fit to the oil pump gear.
Some very very carefull thought is required for big cams.
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