lee Posted March 12, 2022 Report Share Posted March 12, 2022 Ok 150bhp 1972 CP So, overdrive works BUT pops out of O/D after you’ve lifted and as you reapply the throttle. Also noticed when you lift the Rev counter needle reads lower (not in keeping with the revs). Obviously connected to the OD issue as the Speedo drive is located here. Help greatly appreciated Quote Link to post Share on other sites
tr graham Posted March 12, 2022 Report Share Posted March 12, 2022 Switches on the top of the box need re adjustment . graham Quote Link to post Share on other sites
RogerH Posted March 12, 2022 Report Share Posted March 12, 2022 (edited) Hi Lee, also check the thick rubber gaiter around the gear stick - it may be being pushed by the gaiter. Check the front and rear Engine/GB mounts for going soft. Roger Edited March 12, 2022 by RogerH Quote Link to post Share on other sites
Mike C Posted March 12, 2022 Report Share Posted March 12, 2022 Is the oil level in the G/B OK ? My type A starts jumping out on full throttle if the oil level is low. The engine revs will drop as the O/D cuts in. Quote Link to post Share on other sites
lee Posted March 13, 2022 Author Report Share Posted March 13, 2022 14 hours ago, tr graham said: Switches on the top of the box need re adjustment . graham Thx Graham. That’s sounds technical 13 hours ago, RogerH said: Hi Lee, also check the thick rubber gaiter around the gear stick - it may be being pushed by the gaiter. Check the front and rear Engine/GB mounts for going soft. Roger It’s only the overdrive popping out, assume you’re thinking it’s the gear? 10 hours ago, Mike C said: Is the oil level in the G/B OK ? My type A starts jumping out on full throttle if the oil level is low. The engine revs will drop as the O/D cuts in. Yeah I think I’ll check the lever. yeah I realise revs will drop to a point but the revs on the gauge slowly carry on dropping. (Not the actual revs) Quote Link to post Share on other sites
RobH Posted March 13, 2022 Report Share Posted March 13, 2022 The rev counter is driven from the distributor Lee - nothing to do with the gearbox or speedo drive. Quote Link to post Share on other sites
lee Posted March 13, 2022 Author Report Share Posted March 13, 2022 3 hours ago, RobH said: The rev counter is driven from the distributor Lee - nothing to do with the gearbox or speedo drive. That’s even more strange then. Quote Link to post Share on other sites
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