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Resurgence of a F100
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[QUOTE="6speedsd, post: 1526909, member: 1242"] Did a little tinkering today. I talked to Comp, and they say I should be at nearly 17" of vacuum at idle with this cam. I'm at 10. I advance the timing from 12 to 14, which got me up to 12" vacuum. Readjusted idle screws, turn and a half seems to be the sweet spot for the most vacuum. Any more or less and it'd drop to 11. Rechecked for vacuum leaks...carb cleaner sprayed around all connections, base of carb, throttle shafts, and all around the intake manifold/head surface. No change what so ever. Went for a drive, and damn does this thing like more timing. Much snappier when you hit the skinny pedal, and it almost...not completely....got rid of my stumble at light throttle. When I got back, I hooked my advance up to full manifold vacuum, just to see what my advance was pulling. At idle, it was advancing to 34 degrees. I'm making progress I think. Electric choke has stopped working now for whatever reason. I have 12v key on to it, and it's set almost straight up in the middle of the scale. Always something I guess. Did a burnout...I guess you could call it that. It breaks them both loose rather easily, but I have axle hop some kinda bad. Whole truck was lunging...so I let off and didn't press my luck. The rear leaf springs are super soft..nice for a comfortable ride, but not so much for performance. I know rear gearing would be night and day with this truck, but without some sort of OD, it would be undrivable at freeway speeds, which is 90% of my driving. I'm pushing 3000rpms now at 75...a better gear would have me 3500+, and that's just not feasable. Sent from my SM-G950U using Tapatalk [/QUOTE]
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