Classic Audi Technical Technical Info » Ignition Timing

Reply
 
Thread Tools Display Modes
Old 10-10-17, 07:04 PM   #11
missfire
making wooden things
Classic Audi Club Member
 
missfire's Avatar
 
Join Date: Dec 2009
Location: cow land
Posts: 8,138
Default

Quote:
Originally Posted by quattrodave View Post
Not sure about the NG engine but on my 7A there are 2 marks on the flywheel a 0 for TDC and a 12 for BTDC (TDC = top dead centre, BTDC = before top dead centre) the engine should be timed with a strobe to the BTDC mark, effectively firing 12 degrees before it gets to TDC (on the 7A) thats why when you move your distributor about 10mm it runs better as you are getting closer to the correct BTDC setting.

If you locate the 0 mark in the transmission housing try moving the engine a few mm anticlockwise using the front crankshaft bolt to locate the other BTDC mark which sounds like its a 15 on your engine not a 12 as on my 7A.
Solved by the sound of it, good stuff.
missfire is offline   Reply With Quote
Old 10-10-17, 07:09 PM   #12
pastit
Grown up member
 
Join Date: Sep 2017
Posts: 23
Default

Quote:
Originally Posted by missfire View Post
These ones -

https://www.ebay.co.uk/sch/i.html?_o...XC788&_sacat=0

XC788, they fit all the five pots.
When I put my model in the drop down it says does not fit ? Should I ignore that ?
pastit is offline   Reply With Quote
Old 10-10-17, 07:27 PM   #13
missfire
making wooden things
Classic Audi Club Member
 
missfire's Avatar
 
Join Date: Dec 2009
Location: cow land
Posts: 8,138
Default

Yep, they're all the same, here is a listing from the same seller, for an NG, same parts. A case of computer says no!

http://www.ebay.co.uk/itm/QUINTON-HA...8AAOSwAO9ZPxis
missfire is offline   Reply With Quote
Old 11-10-17, 12:28 PM   #14
mikes2
Senior Member
Classic Audi Club Member
 
Join Date: Nov 2007
Location: Polmont
Posts: 1,318
Default

you can only set it with the engine running
__________________
1991 90 quattro 20v sport
1993 S2 estate
mikes2 is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT. The time now is 11:34 AM.

Powered by vBulletin®
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright ©2007-2008 Classic Audi | Site by Roadrunna