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Thread: 1700 Pinto.... Back on!

  1. #161
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    Re: 1700 Pinto.... Back on!

    dont know, a 2.0 i have had loads of 2.0 skimmed 0.100" which is about 2.5mm and a couple a bit further still, i dont see why a 1600 should be any different, the limit probably being the spark plug hole.

    with really heavily skimmed heads i use bike plugs, i feel loctite-ing the the plug adapters in place lessens the risk of cracking the head doing the plugs up, with the added advantage of moving the plug tip away from the piston

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  3. #162
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    Re: 1700 Pinto.... Back on!

    I managed to resue the 1300 head by sleeving the inlet ports with steel tube, glued in with epoxy. It still left a 35.5mm port.

    Unfortunately, I then broke through on one of the throats, so it's scrap! There's no way a 1300 head has enough metal to get the flow that I'm looking for. It would probably be ok on a ......1300! Lol.Click image for larger version Name:	20191121_105550_resized.jpg Views:	72 Size:	120.2 KB ID:	84822

    I suppose it was a big ask to go from this;
    Click image for larger version Name:	20191008_180329.jpg Views:	75 Size:	110.1 KB ID:	84823
    Last edited by Memphis; 21-11-2019 at 11:59.

  4. #163
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    Re: 1700 Pinto.... Back on!

    dave walker once said to me they were great for a 1600, definitely too small for a 2.0, might be ok for a quick 1800 but he wasn't sure on that............

  5. #164
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    Re: 1700 Pinto.... Back on!

    It's been a 5 year itch... but at least I now know it won't work. All it's cost me is a little time as I hadn't ordered any valves, and on a plus point, I'm getting pretty good with a die grinder. All good practice.

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    Re: 1700 Pinto.... Back on!

    So I have another 1600 head to modify, but this time I'm going to get the chambers welded to raise compression, followed by a skim if necessary. It's not cheap, but I've come this far so I may as well carry on! It hasn't been a major priority recently, but that has changed with the purchase of a very nice Pinto powered, live axled Westfield. Ok, so it's not my preferred Sylva Striker, but there are none around at the moment and loads of people after one. This one has been totally rebuilt from a bare chassis upwards, and is perfect for my 1700 project.
    Click image for larger version Name:	20200223_130701_resized(1).jpg Views:	27 Size:	104.6 KB ID:	85143

    Time to get the die grinder out again!

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