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  1. Kilroy

    Dual 48s on a 260 Merc v8 Jets and PV starting point

    I recently came into a few 48s and am thinking of running a hybridized pair on my 260 one a super Navarro intake... What would be a good starting point for jets and power valves? I found 69 and 43s for the 97s with search... Is it the same for 48s or would that lean it out too much with the...
  2. Kilroy

    Breaking free old frozen transmissions: Tricks?

    I have this 49 Merc transmission that I'd like to see what I can salvage from it... It didn't look bad on the outside but the inside is frozen with some combination of rust and old grease. It's been soaking in penetrating oil and Posphoric acid in rotation for a couple days now and it's...
  3. Kilroy

    R10 overdrive compatibility

    I just picked up a bunch of overdrive parts, in my quest to have an overdrive, torque tube trans in my roadster behind my flathead, and am curious about the r10 tailhousing and compatibility across the years. Specifically, I have a nice Zephyr torque tube r10 assembly and a really nice tbird (I...
  4. Kilroy

    Newly assembled Flatty cranking force??

    Help me just validate my assumption here... :cool: I've got an assembled flathead that hasn't been run yet. I can turn it over with a breaker bar (plugs in), and cranked it with the plugs out with the starter to make sure the oil was flowing, etc... But with the plugs in, the starter don't move...
  5. Kilroy

    8ba flywheel dowel pins: Run without?

    So I got a new aluminum flywheel and installed it. I was vaguely curious about the 2 empty holes in the crank when I put it together, but didn't concern myself with it... I just realized what they were for... So my question is, how necessary are the dowel pins? Is it worth buying the pins and...
  6. Kilroy

    49-51 Fuel Pump Pushrod Bushing: Reamer size?

    Wow, it's been a while and how times have changed.. I used to be "40 Phil" on here years ago. The new site looks nice. Formalities aside, I have a 49 flatty with a fuel pump pushrod bushing that was 'installed with an interference fit':o Bruce Lancaster said he thought that a 1/4" ream might...
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