Smog Pump - Diesel Truck Forum -
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post #1 of 3 (permalink) Old 02-27-2009, 11:42 PM Thread Starter
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Smog Pump

I have a 85 model 6.9 can i take the smog pump belt off and make it run better or will it mess the motor up. thanks
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post #2 of 3 (permalink) Old 02-28-2009, 01:12 AM
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There is no smog pump on it.

Are you looking at the vacuum pump??? You NEED that.

'93 F-250 HD, 7.3L IDI, 5spd - FARM TRUCK
I Support: Trailer brakes an every axle over the towing vehicle's GVW; CDLs for RVers; Safety inspections for ALL vehicles and 6 axle trucks (97K GVW proposal).

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post #3 of 3 (permalink) Old 03-06-2009, 07:33 PM
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If it looks like this,

It is your VAC pump and you do need it. It's hard to say if someone may have added something over the years.
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1979 f350 4x4 6.9 Diesel,Everything new or better than.

Mechanically injected cause chips are for dippin
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