351 Clevland LPG Problems - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 2 (permalink) Old 01-26-08, 07:52 PM Thread Starter
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Question 351 Clevland LPG Problems

I have 1976 F350, I have an IMPCO 300A sitting on a vacume Holley (unsure of size), was just needing to know if anyone knew the original tune-up settings for the IMPCO? Can some one plezzzzzz help?

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post #2 of 2 (permalink) Old 02-04-08, 04:38 PM
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Re: 351 Clevland LPG Problems

hi, no worries. with the 300A set the main fuel mix adjuster (9/16" spanner fits on flats) to the centre. then for base idle setting, remove 12mm plug in vapour hose fitting(if fitted) then with small/med flat blade screwdriver, gently screw idle mixture screw in(clockwise) untill it GENTLY stops, then undo (anticlockwise) it 3 turns. this will get it running, then once engine is warm reset idle mix with engine running. test drive and all should be well. to be correct you should then have the mixer set up on a gas anyliser or by someone who is good with them. hope that helps. any q's just contact me.

Craig Johnston.
Ford, Performance & Vintage engine specialist.
email- cjperformance@lizzy.com.au
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