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Author Topic: fixed lower cambelt idler on 2.5  (Read 793 times)

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JamesV6CDX

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fixed lower cambelt idler on 2.5
« on: 17 November 2009, 20:30:47 »

Does anyone know if the fixed lower idler can be fitted to a late 2.5 engine - or is the concentric one absolutely required?

I have a 2.6 kit spare, I'll use the pulleys off it for my 2.5 if that idler will fit...
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JamesV6CDX

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Re: fixed lower cambelt idler on 2.5
« Reply #1 on: 17 November 2009, 20:31:29 »

Just to clarify, what I'm asking is, will the timing be correct on the 2-4-6 bank, with the lower idler fitted, to the 2.5 lump... or does it need the concentric one to set it..
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Marks DTM Calib

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Re: fixed lower cambelt idler on 2.5
« Reply #2 on: 17 November 2009, 20:34:50 »

Should be spot on if the heads have not been skimmed
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JamesV6CDX

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Re: fixed lower cambelt idler on 2.5
« Reply #3 on: 17 November 2009, 20:47:27 »

Quote
Should be spot on if the heads have not been skimmed

That's what I thought, but wasn't 100% sure having never done it - thanks Mark :y
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JamesV6CDX

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Re: fixed lower cambelt idler on 2.5
« Reply #4 on: 17 November 2009, 20:48:46 »

Does fitting new pulleys to old backplate cause any issues?

I can't see for one min that it would (especially with new bolts and a bit of thread lock)

Was Jimbob's just a bad component?
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Marks DTM Calib

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Re: fixed lower cambelt idler on 2.5
« Reply #5 on: 17 November 2009, 20:52:12 »

Backplate is no issue...jimbobs was just the fact it was covered in oil following machining!.

Wont make that mistake again!
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Dazzler

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Re: fixed lower cambelt idler on 2.5
« Reply #6 on: 17 November 2009, 21:11:07 »

Used the old backplate when i changed mine, i also fitted an adjustable pully instead of the fixed one.
No probs with any of it :y
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