<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: firstgenaddict</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: marshall</div><div class="ubbcode-body">Another interesting fact i came across by one of mould making engineers at a casting facility quite a while back,was that they did not use steel liners in the bores of the Mclaren cars,they had the forged piston iron plated.I thought he was crazy but came to find out it was true.Thanks marc. </div></div>
Yea this is amazing isn't it... I was in awe when I found out as well!
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I believe the block alloy was Reynolds 390 (same as Vega), and they did run without iron sleeves. I believe (but not 100% certain) that production Porsche 928 blocks were the same alloy and they also did not run sleeves.
Click on link and read this old newspaper article from 1971 where the McLaren team said the aluminum cylinder walls wore LESS than iron cylinders.
https://news.google.com/newspapers?n...2868&hl=en