Question about 1987 Ford F 350

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I have a back fire and i have re timed it I think

I have a back fire and i have re timed it I think the timing is 16% bftds i have chack for vac leaks and new plugs and wires new distribtor culd i be 180 off

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  • Ford Master
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Thats only at 4000rpm ,try 8 btdc at idle with a strobe light then when revved it should go up to 12/16btdc

Posted on Jun 22, 2009

  • Colin Stickland
    Colin Stickland Jun 23, 2009

    me a ford expert ??¿ just seen thingy above my name iam a cowboy bodge artist but after 40yrs in game i can fix somethings first time round ,must go have to write my article for the local british mag here in alicante spain biggest problem you will have with an older car is the fact that it was designed to run on a higher grade of petrol than the unleaded 95 octane thats used now hence the 8 degrees and not the 12 or so that your engine no doubt is specified for but 8º should stop it from pinking and it should have stelite coated valves and seats so you shouldnt need a lead additive.If backfire persists and engine idles runs ok then find a local old boy like myself to check out carb and any air leaks on the inlet manifold,From experience a lot of the younger mechanics only know whats wrong if they can plug something in and they have never seen a distributor cap or carb ,give them twin carbs and a distributor with 2 sets of points and watch them squirm and cry?? best of british

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