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 Mahle racing piston/ cyl set ? Trying to sell some stuff a friend had.  He had a stroke and will never drive again...sad story that many of you know Anyway, he has a set...NIB... of Mahle 100mm racing pistons and cyl for an 84-86 Carrera that he never even took out of the box. I have them listed on eBay but would like to know what HP you'd get with them installed in a good tight engine. That would help with the eBay ad. | 
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 Mark- I don't know if this helps and of course there's many factors.  Mid-80's Ruf Mahle kit with 98mm / 10.3:1 compression ratio, Ruf's ECU and exhaust they claimed 260 hp DIN. (If its OK with the rules, perhaps you can post it in the parts for sale + ebay link??) | 
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 Well it all depends on what kind of crank, exchaust, heads , inlet and fuel system is going to be used And what compression the engine will have after install.. Cylinders & pistons are but one part of the equation It's going to be a really big ball park to throw figures around | 
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 74.4mm stroke and a 95mm bore is  3164 cc 74.4mm stroke and a 100 mm bore will be 3506 cc a great deal will depend on what compression those pistons have and what kind of heads (ported, twin plugged, intake size and fuel system) | 
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 Thanks for the help guys.  I personally dunno all this tech stuff as you can tell.  Just tryin' to help Doug's family.  His 911 sold as did his Hummer.  House will go to a short sale.  Some furniture also sold.  Only these P&C's are left.  I'll post all this on Parts for Sale and incl the ebay ad.  Somehow I think it'll be a tough sell. | 
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 100 mm on a 3.2 = 3.5 L I'd start by finding out what the set lists for new from a retailer that moves the most of them, then take pictures of everything and post them to a photobucket etc.. Nobody will want to cough up that kind of money only to find you scratched a cylinder or dented something from inattentive packing. My guess is you're North of $3k on these if they are really NIB w/rings and wrist pins. | 
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 Thanks for those suggestions BG.  I have looked them up and they retail now for about $5700.  All the pics I have are on the ebay listing.  Wrist pins are all there.  I offer a three day return.  I do agree it's not likely to find someone who wants this exact set but the box was unopened when we removed it from his garage.  I just had to unpack to take pics and return them to the original packing.  I started the bidding at $3K.. | 
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 Sounds like you're on the right track, good luck on the sale, and good on you for helping the guy out. -BG | 
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 I have a nibble on eBay but he wants to know the compression ratio.  I guess I should write or call a supplier but thought one of you guys might know ? | 
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 any part numbers on the box? | 
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 Not on the box that I can easily read...faded over the years, but on the cyl's so I can go from there.  It's shown in the ebay ad I think... I'll look at my copy and enlarge so I can read and then edit this post to give it... Stand by | 
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 OK...here's a screen shot.  Not all that easy to read.  I don't have them in my possession at this time but they are at a friend's home...I can go up and see if I can read it more clearly if need by...  What do you think ?  I'm just guessing that this is the part number.. http://forums.pelicanparts.com/uploa...1359387173.jpg | 
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 The cylinders don't matter, 100 mm is 100 mm it's the pistons that make the added value. | 
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 Well, I guess I understand that but I would have thought that these always came as a set with part number designation.  I'll try to find them online at some supplier and go from there. | 
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 a great deal will depend on what compression those pistons have and what kind of headshttp://www.sdra.info/h.jpg | 
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 Understood  The heads are stock...or at least I didn't find any others in his shop and it was thoroughly searched. | 
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 I have a call into the Porsche guy at Mahle in Tenn.  Hopefully he can answer the question if I give him some numbers.  I was referred to them by a tech at a Mahle distributor in Nv.   Another number I found on the box...just a yellow sticky note: 911 103 100 23 Maybe this will mean something to one of you guys ;) Thanks again to all of you for trying to help out... Pelican forums are fantastic... | 
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 Best info I found so far from EBS Racing is this: EBS Racing - Porsche Parts Exclusively While these are 98mm it's 9.8:1 Compression. | 
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 EBS says they were discontinued for some reason but would be 10.3:1  Given that and that he was going to use stock heads, what HP do you think you'd end up with.. ? Guy from Mahle just said 10.5:1... | 
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