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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jan 2009 Posts: 1,644 Shop Shark | | Shop Shark Joined: Jan 2009 Posts: 1,644 | OK anyone out there using a YF carter,for 235, does it have port vac. or manifold vac and if it has manifold vac have you had trouble with the timming being advanced at idle,I put a 4480s on my 235 and she just did not idle right with manifold vac because the timming was fully advanced and do all YF2100s carters have manifold vac.I understand that as soon as I'm off idle that carb would be fine ,but just could not get the idle right .
And if you have any other YF cater what # is it?
Pete
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