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Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

Bogs down when letting clutch out

 
Old 03-13-2019, 02:57 PM
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Default Bogs down when letting clutch out

Hey guys. New to this forum, so hello! I recently bought an old Datsun Z with a 350 and a T-56 (ridiculous, I know). The motor and tranny seem like they're in good shape, however since I've bought the thing, I've noticed that it struggles really, really hard get going from first gear. I can tell i'm on the border of chirping the tires every time I need to get going from a start, just because if I used a normal amount of gas, it would immediately die. I also end up riding the clutch for a very long time, and I'm sure the clutch wont last long at this rate. I'm very new to the SBC and carburetor's in general, so any advice would be appreciated. It idles fine (once it gets started) and doesn't stumble if I just rev it in neutral, so I think its getting enough fuel.
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Old 03-16-2019, 06:20 PM
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Anyone with any input? Or am I posting this question in the wrong section of the forum? For the record, I've been driving stick for 10 years or so, and have driven many different cars with a manual transmission. None have given me quite this much grief before.
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Old 03-25-2019, 07:25 PM
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revving in neutral doesn't mean much as there is no load on the engine. when you put a load on the engine, like letting the clutch out, the fueling needs of the motor change significantly. it sounds like the carb or ignition needs some work. what carb and ignition system are you using?
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Old 04-16-2019, 11:01 AM
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Another item to check is the actual engagement of the clutch. Your clutch may be worn out and engages almost immediately requiring you to slip the clutch to get going.
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