trchris Posted January 26, 2020 Report Share Posted January 26, 2020 Guys I will shortly be changing cam followers on my 4a and at the same time am thinking about changing the camshaft to either a Newman PH 1 or Piper TR3BP270 as they seem to be almost similar for road use, does the front camshaft carrier need any machining to allow for correct free play? Chris Quote Link to post Share on other sites
RogerH Posted January 26, 2020 Report Share Posted January 26, 2020 Hi Chris, I fitted the PH1 a couple of years ago and it was a straight fit. If you go for the Newman PH1 speak to them about followers. They some very nice chilled iron followers. Roger Quote Link to post Share on other sites
trchris Posted January 26, 2020 Author Report Share Posted January 26, 2020 Hi Roger thanks for the advice as always, I'm leaning to the PH1 with the matching followers as many have mention how good they are but wasn't sure regarding the front retainer clearance Chris Quote Link to post Share on other sites
iain Posted January 26, 2020 Report Share Posted January 26, 2020 You will need to check the front bearing gives the correct end float for your chosen cam. I used a Kent “hi torque” cam which I find very tractable. Also ensure your new followers can freely rotate in their bores. Iain Quote Link to post Share on other sites
signalredshaker Posted January 26, 2020 Report Share Posted January 26, 2020 Hey, this must be the thing to do! Went for the chilled iron followers- with hole for extra lubrication and very reasonable cost. Cam is PH1 type- I think the number is Newman list number. James Quote Link to post Share on other sites
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