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bosch pump rebuild
#4
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The wear on the inside of the casing indicates that the dynamic advance has room to go a bit further.

Limited I assume by the force needed to overcome the pressure of the springs in the advance unit.

So either internal pump pressure is down for whatever reason, or there is some room for it to go a bit further, either by increasing internal case pressure or by taking a bit off those springs and shimming back to length with a washer?

I've no idea how much I would have to shim off to get the increased movement though, and would want the dynamic advance response to revs to stay the same. again I can try increasing the internal case pressure, but without a way of measuring it, its like midding in the dark.

Can someone lend me a test bench?
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Messages In This Thread
bosch pump rebuild - by zx_volcane - 11-06-2012, 05:09 PM
RE: bosch pump rebuild - by Dave - 21-08-2012, 04:20 PM
RE: bosch pump rebuild - by zx_volcane - 21-08-2012, 09:13 PM
RE: bosch pump rebuild - by londondan86 - 22-08-2012, 11:09 AM
RE: bosch pump rebuild - by zx_volcane - 22-08-2012, 11:37 AM
RE: bosch pump rebuild - by CJ_Derv - 22-08-2012, 11:40 AM
RE: bosch pump rebuild - by zx_volcane - 22-08-2012, 12:25 PM
RE: bosch pump rebuild - by CJ_Derv - 22-08-2012, 02:44 PM
Re: bosch pump rebuild - by darrenjlobb - 11-06-2012, 05:11 PM
Re: bosch pump rebuild - by zx_volcane - 11-06-2012, 05:14 PM
Re: bosch pump rebuild - by zx_volcane - 11-06-2012, 05:58 PM
Re: bosch pump rebuild - by Dave - 11-06-2012, 06:29 PM
Re: bosch pump rebuild - by zx_volcane - 11-06-2012, 06:35 PM
Re: bosch pump rebuild - by Dave - 11-06-2012, 06:44 PM
Re: bosch pump rebuild - by zx_volcane - 11-06-2012, 08:18 PM
RE: bosch pump rebuild - by CJ_Derv - 20-08-2012, 10:12 PM

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