ignition timing gti 8v
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ignition timing gti 8v
how to with a strobe light? where are the tdc marks flywheel or crank pulley, do i need to remove cam belt covers?
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Re: ignition timing gti 8v
Umm............Isn't this continuously calculated by the ecu from the tdc sensor and computed by demand?
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Re: ignition timing gti 8v
The usual way is to paint a white stripe on the flywheel inside the inspection opening below the thermostat housing. TDC is marked with a line stamped in the flywheel circumference so you need to make your mark at 6deg or whatever it is before this. Then when timing is done make marks on the distributor base and mounting to prevent having to retime again after any removal.
Have you checked that the vacuum advance diaphragm is ok and working ??
Have you checked that the vacuum advance diaphragm is ok and working ??
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Re: ignition timing gti 8v
i dont think the bosch jetronic has a tdc sensor, only the motronic?Way2go wrote:Umm............Isn't this continuously calculated by the ecu from the tdc sensor and computed by demand?
90 BX Tzd turbo 294k SORN undergoing major surgery
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90 BX Tzd turbo estate 46k awaiting surgery
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74 D Super 5 black
05 Volvo V50 2.0d 180k
65 Peugeot Boxer work van 280k - x 137
Re: ignition timing gti 8v
vacuum advance is working ok, but this will need to be disconnected when timing up, right?Jaba wrote:The usual way is to paint a white stripe on the flywheel inside the inspection opening below the thermostat housing. TDC is marked with a line stamped in the flywheel circumference so you need to make your mark at 6deg or whatever it is before this. Then when timing is done make marks on the distributor base and mounting to prevent having to retime again after any removal.
Have you checked that the vacuum advance diaphragm is ok and working ??
90 BX Tzd turbo 294k SORN undergoing major surgery
90 BX Tzd turbo estate 46k awaiting surgery
65 Peugeot Boxer Van the new workhorse
52 Toyota Rav4 180k Bulletproof Jap reliability
90 BX Tzd turbo estate 46k awaiting surgery
65 Peugeot Boxer Van the new workhorse
52 Toyota Rav4 180k Bulletproof Jap reliability
Re: ignition timing gti 8v
It should have a tdc sensor for injection and ignition timing is on the dissy cap iirc, cam and crank timing is done with the beltrutter123 wrote:i dont think the bosch jetronic has a tdc sensor, only the motronic?Way2go wrote:Umm............Isn't this continuously calculated by the ecu from the tdc sensor and computed by demand?
1991 Citroen BX 16v - Red
1991 Citroen BX 16v - Silver
1992 Citroen BX 16v - White
1989 Peugeot 205 MI16 - Miami Blue
2002 Peugeot 406 est. HDI110 exec - Dark Blue
2006 Citroen C6 2.7HDi Exclusive - Storm Grey
Scrapped:
G650PGX 1989 ph.2 red BX 16v
G-VOT 1989 ph.1 White BX 16v
1991 Citroen BX 16v - Silver
1992 Citroen BX 16v - White
1989 Peugeot 205 MI16 - Miami Blue
2002 Peugeot 406 est. HDI110 exec - Dark Blue
2006 Citroen C6 2.7HDi Exclusive - Storm Grey
Scrapped:
G650PGX 1989 ph.2 red BX 16v
G-VOT 1989 ph.1 White BX 16v