| Re: [GMCnet] I love my Howell EFI [message #315119 is a reply to message #315089] |
Sun, 26 March 2017 00:29   |
George Beckman
Messages: 1085
Registered: October 2008
Location: Colfax, CA
Karma:
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Senior Member |
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ljdavick wrote on Fri, 24 March 2017 20:20
I know it will need some fine tuning, and I still have to fix the transmission vacuum modulator (no 3rd gear), but once I get back to work I expect we'll be putting her back on the road in earnest.
Larry,
I have had great luck with my EBL as well.
The transmission not shifting up may only be a vacuum leak. The modulator reacts to vacuum and a crack in the hose at the modulator or above at the intake manifold can cause no third gear. When my hose at the modulator developed a crack, my transmission would not shift up until I reached about 55mph. Then the shift was forced by the governor.
Check the tubes for cracks.
'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
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