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Old 05-13-2002, 08:42 PM
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Wink tuning 302 boss

feel kinda dumb-- have a 302 boss engine and am trying to remeber 40 yrs ago when I used to work on engines (small time)had nothing but chevs, and now I cant remember how to put in the points and dont have gap seting info, any pointers from you ford fellows on what steps to take on a simple tune-up. Also has any one heard of a c5 tranny which is what is supposed to be in my 40 ford pickup I just purchased??? Thanks for any help and dont make me feel to stupid!!!
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Old 05-13-2002, 09:01 PM
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Well, I'm a Chevy fellow, but a tuneup needs to include checking the mechanical advance system in the distributor. make sure the wieghts move freely and the bushings are in good shape, as well as the springs. If not, replace.

Go ahead and replace the cap and the plug wires and plugs.

You probably have points too. Set those as per the manual.
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Old 05-13-2002, 09:25 PM
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Your point gap is 21, dwell 27,gap them by loosening the two screws slightly,putting the rubbing block of the points on the high lobes on the distributor shaft.tighten the bottom screw of the points just barely snug,loosen the top and move in and out until you get the gap you need then tighten down.you can twist the rotor back and forth to see the opening and closing of points. hope this helps (wrenchturner)it like riding a bike once you've done it it all comes back, on the trans.Ive only heard of FMX,C4,C6

[ May 13, 2002: Message edited by: wrenchturner ]

[ May 13, 2002: Message edited by: wrenchturner ]</p>
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Old 05-13-2002, 10:55 PM
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[quote]1982 brought the C-5 which was essentially a stronger C-4 with a centrifugal torque converter lock-up clutch and an enhanced valve body for smoother shifting. It was produced through 1986 and was completely replaced by the AOD.<hr></blockquote>

-Baumann Engineering

The glass is held in the channel with glass tape which is available at any glass shop. You might want to have them set it as it requires hitting the glass with a rubber hammer.
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Old 05-14-2002, 06:21 PM
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According to Haynes service manual for a 1970 302 Boss, point gap is 0.020inch, dwell is 32 degrees, and base timing is 16deg BTC with manual trans. In 1971 ford switched to the 351 Boss. Also manual says Autolite AF-32 spark plugs with a 0.035inch gap for 302 Boss. Pretty much what wrenchturner said except I was surprised to see the high base timing. I'm sure you know but remember to re-set base timing after final dwell setting. Good luck.
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Old 05-15-2002, 05:34 PM
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i think you have your answers but i just had to add this: cruise o matic,merc o matic,mx,fm2,fx,fmx,c4,
c4s,c6,c5,aod and the newer electronic models. all auto trans offered by ford over the years. wow,which one to use? c4 or c6 are the best performance units.
however i recently found out that there are some great aod units by trans companies that will hold up just as well. so far i know of nothing bad about the c5 but do not know of anyone using one to race. good luck with your pick up.
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