As you say, i don’t think Ford sells pistons for a Black top Zetec as a spare, they want you to replace the whole bottom end. The Zetec SE is the same.
Jim From: susanandmartin Sent: Thursday, March 25, 2021 3:28 PM To: quantumowners@googlegroups.com Subject: RE: [Quantum Owners] 2L Zetec Blacktop Pistons Not that it helps with your quest, but (hopefully) of interest. When I was working at Ford we had an engine being tested for cold start durability at a University. As proof (if it was ever needed) that starting an engine repeatedly from cold with a fuel-enriched intake mixture would wreck an engine, there was a need for new pistons after several months and x000’s of start procedures. When trying to source new pistons, however, it was found they were not listed as a spare and could only be bought with an engine block. As this wouldn’t help our engine block durability testing, great discussions ensued taking several hours and it was agreed some pistons could be supplied direct from the assembly line (maybe one car was released without pistons? 😊). This is a good example of how Ford goes to great lengths with their testing (and probably other manufacturers do as well). Martin Scott Sent from Mail for Windows 10 From: Nigel Plant Sent: 25 March 2021 12:15 To: Quantum Owners Group Subject: [Quantum Owners] 2L Zetec Blacktop Pistons Probably one that's right up Jim's street. Does anyone have the Ford specification for 2L Zetec blacktop pistons. Need gudgeon pin diameter, compression height essentially all the key dimensions. I have broken a piston on my Xtreme turbo such that it needs reboring and cannot get any standard but oversize pistons. Am also told that Nural and Mahle have no production plans to manufacture any. I can get forged pistons and rods, which would be better performance wise but didn't want to drop compression to 8:1 or fork out £1200. 9:1 is my ideal for the power I want. I have found a custom piston manufacture for forged pistons alone, but they require a piston (no problem) and the key specs. For information, I have learnt one interesting point that people may find useful. Although the silvertop and black top have different length conrods (ctr to ctr) and different compression heights. The combined total of conrod length and compression height for the silvertop and blacktop are the same, meaning a set of silvertop conrods and pistons can be used to replace the blacktop ones. Thanks for any help on the specs. Nigel Plant -- -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to quantumowners@googlegroups.com To unsubscribe from this group, send email to quantumowners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. 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To view this discussion on the web visit https://groups.google.com/d/msgid/quantumowners/605cac02.1c69fb81.6c006.721fSMTPIN_ADDED_MISSING%40gmr-mx.google.com. -- -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to quantumowners@googlegroups.com To unsubscribe from this group, send email to quantumowners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. Neither the Quantum Owners Club nor the individuals associated with the Quantum Owners Club or in the preparation of the above information shall have any liability to any person or entity with respect to liability, loss, or damage caused or alleged to be caused directly or indirectly by the instructions contained within this or related message(s). --- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to quantumowners+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/quantumowners/F9F61C313F874DC69459BA51EB68A588%40JimQuad.
