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xavier thivet

which timing belt for my esprit?

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Hi, i m looking for a new timing belt for my esprit turbo from 1983 (USA model) but when i ask which model fits i have many different answers from Lotus ans from the different lotus shops i have asking for. The original reference was A912E6697F but is no longer available. Lotus ans sj gives B912E6697F as new reference. PNM gives A907e0191Z reference (but they say that A907e0191Z  has a square tooth pattern and B912e6697F has a round tooth pattern). Also i found that Gates T188 seems to fit...

 

Well well i don't know what to think about all these informations.

 

 

 

 

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What does your current one say on it? Round or square?

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Round = Gates Powergrip 5206

Square = Gates Powergrip 5146

 

Both readily available in the UK.

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Not that it matters much but the Gates 'belt is a smidgen narrower than the Lotus 'belt.

It's also cheaper ;0)

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Naughty me - should have mentioned that.  They're 1mm narrower.  I've fitted them for years with no issues.

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ok thanks for this information. Well in Lotus club France they gave me another manufacturer  : Quinton Hazell QTB122. 133 teeth and larger 3/4

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It's your choice, but I wouldn't put a QH belt near a Lotus.

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I don't know if it's the same now, but years ago QH would source their stock from all over the place then repackage it, so you couldn't be sure of quality.  Also, the only belt I've ever had fail within its service period was a QH.  So I don't touch them!

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OK thanks for these explications. But even if the Gates 'belt is a smidgen narrower than the Lotus 'belt it s not a problem?

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Not at all.  Provided it's fitted and tensioned correctly it will be fine.  I've done loads of them.  In fact, some Lotus specialists supply them!

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