<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Using the most-up to-date technology available, to me, my Stamps.Com postal scale. I find that #1&4 are 55grams heavier at 1.697kg, than #2&3 at 1.640&47kg. So the weight variance follows to brand difference. They all look the same, flat top and full skirt. <div><br></div><div>Now off till next week to a machine shop with better scales and the ability to fix it. Will be taking the crank and flywheel as well for balance checking. </div><div><br></div><div>Thanks to all who responded. </div><div><br></div><div>Best,</div><div>Bill B </div><div><br><div><br><div dir="ltr">Serenity Now......</div><div dir="ltr"><br>On May 23, 2020, at 7:33 AM, DAVID MASSEY <dave1massey@cs.com> wrote:<br><br></div><div dir="ltr">
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<div><font size="3">Indeed. When I was in college I drove an MGB. (there. I said it. Now you know.) At one point I decided to rebuild the engine. Now, at some point during production they changed from a long skirt piston to a short skirt piston. My engine had two of each. I drove it that way for quite a few years and who knows how long it had been that way before I got it.</font></div>
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<div><font size="3">I'm sure it contributed to the roughness of the engine but it ran just the same.<br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: DAVE HOGYE <dlhogye@comcast.net><br>
To: Geo Hahn <ahwahneetr@gmail.com>; bill beecher <notakitcar@yahoo.com><br>
Cc: Dave Ranteer <triumphs@autox.team.net><br>
Sent: Fri, May 22, 2020 10:43 pm<br>
Subject: Re: [TR] TR3 Pistons<br>
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Having the same pistons in the same engine at the same time is surely the preferred method by anyone who might know the difference and or gives a damn. However, I'm sure it's possible to keep a TR engine running with different combinations of just about any part that would fit. Even different size pistons, of course with their matching liners, would still make an engine run and propel the car down the road. For how long and at what speeds or level of performance is another story.
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The end result is up to you and depend on your requirements.
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Dave H.
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On May 22, 2020 at 6:36 PM Geo Hahn <ahwahneetr@gmail.com> wrote:
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Seems like they would be your best chance at balance right out of the box.
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On Fri, May 22, 2020 at 6:20 PM bill beecher <
<a rel="nofollow" shape="rect" ymailto="mailto:notakitcar@yahoo.com" target="_blank" href="mailto:notakitcar@yahoo.com">notakitcar@yahoo.com</a>> wrote:
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Is it just me or shouldn’t all the pistons be the same brand?
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<br clear="none"> #1&4 have “
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