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    Low RPM Drivability Issue / 1973 351C

    73inNH, Just to be 100% clear here, The OEM pcv setup on our cars were designed to have a vacuum side and a pressure side. The vacuum side consists of a vacuum port at the carb (or spacer under the carb) for pcv vacuum and pcv valve in the left rocker cover. The pcv pressure side consists...
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    Need help understanding timing

    bigfoot72, Go back and read your very first sentence of your thread, you state you want to get your timing correct BEFORE adjusting your carb!. The people in the know here are going to tell you it is Not the main jetting and SURELY not the secondary jetting. Stanglover has shown you what to...
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    Modern Driveline quote

    Paul at Modern Driveline knew about the truck bellhousings being deeper, he stated good luck finding one, little did he know that I had gone thru some in looking for the aluminum bell I am now using, will still have to use a 1/4'' spacer between the bell and trans. As suspected shorter input...
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    Modern Driveline quote

    Talked to Paul at Modern Driveline, super helpful and great guy to talk to. Expecting a new quote, he told me what was available and what was not and my best route. Lesson learned, go to the source Boilermaster
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    Modern Driveline quote

    This just in. I kind of remember when I was searching for my aluminum bellhousing (C5az 6392 d) that I went thru about 3 or 4 bells that had the same small block pattern (engine) and trans pattern that were about 1/2'' too deep and are for 1983-84 ford trucks David Kee makes mention of this on...
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    Odd 4 Speed 1st Gear Engagement Issue

    73inNH. Look for oil dripping between the engine plate and bell housing or between the bell and front of the transmission. I usually like to take the spring off and look for about 1/8'' between the release lever and adjuster at the pivot. you should be able to spread the two with your thumb...
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    Odd 4 Speed 1st Gear Engagement Issue

    73inNH, Pretty sure Don means leaking oil on the clutch disc. Otherwise that would be a new one on me.
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    Need help understanding timing

    Thanks bentworker SAFETY first.
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    Need help understanding timing

    Bigfoot72, For anyone to be able to help you, we are going to need to know these specifics. 1 what pump slot is your accelerator pump in ? 2 what is your base timing 3 what is your idle speed (with vacuum advance disconnected and plugged) 4 how many (distributor degrees) is your mechanical...
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    Modern Driveline quote

    OK, So only the 10 spline transmission offers the Ford (wide pattern) which I am guessing is 8-1/2'' x 6-1/4'' with 4-13/16'' opening All the 26 spline transmissions are (TKO) bolt pattern. Both 501-18085 (26 spline) and 501-18086 (10 spline) offer a shortened input shaft (guessing that is...
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    Modern Driveline quote

    Hemikiller, I would be elated if I only had to get just a 26 spline clutch disc. I did email MD and asked if the input shaft could be shortened of if I would have to purchase an extra and shorten it myself. I will have to research and see if all the mounting bolt patterns for the 26 spline...
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    Modern Driveline quote

    Don, I spelled out to Modern Driveline word for word exactly what I had and what I wanted. Perhaps I got the same guy that works from home for Comp Cams.
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    Modern Driveline quote

    OK, Truth be known, I have been looking for a 5 speed manual for quite sometime, Decide to email Modern Driveline and ask for a quote. I tell them what I have (71 stang, 408 C , zero balance flywheel @ 164 tooth count and using OEM aluminum bell with 11'' long clutch which is already dialed in...
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    Low RPM Drivability Issue / 1973 351C

    73inNH. Bentworker makes a good point. if you adjusted your idle mixture with the pcv disconnected and plugged and then added it to the mix you are going to be leaner than you were before, also what pcv valve are you using ? different pcv valves have different metering values. I too like the...
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    Low RPM Drivability Issue / 1973 351C

    73inNH, Sweet, by all means keep checking.
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    Low RPM Drivability Issue / 1973 351C

    73in N. I am not a Edelbrock/Carter guru by any means, strictly Holley spoken here, however, I see you have your accelerator pump in the richest position and Clevelands Do like quite a bit of accelerator pump right now. That being said, with the engine fully warmed and choke fully opened and...
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    Low RPM Drivability Issue / 1973 351C

    73inNH, did you adjust timing since the carb and manifold swap if not leave the timing alone. suggest you get some carb spray and test for leaks and if none are found bolt your old carb back on (if possible) and see if the issue is gone, if it goes away, then you know you have a carb and (only...
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    New Engine Noise

    Dude, both the tiny exhaust leak and motor mount sound like possibilities. Any chance you could secure your phone in the engine bay to take a recording while letting the clutch out while in gear and listen to your recording and compare to the previous ?? Safety first !!!
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    Low RPM Drivability Issue / 1973 351C

    73inNH, Did you have this low speed issue before the carb swap, or did this issue pop up because of the carb swap ?
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    New Engine Noise

    Dude, After listening to your videos, I am convinced your noise is at camshaft speed or 1/2 of crank speed. So you checked the distributor cap, but what about the advance weights or a screw coming loose from inside the distributor ? The other would be the fuel pump eccentric and or cam gear...
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