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connecting rod confusion
I'm rebuilding my 87na and getting overly confused on which are the best connecting rods to use. This resulted in now being the proud ower of three sets of connecting rods.
First I heard the 83s were the best. Then I heard the 951s are the best. Now, I'm hearing 83 are the best. Which is it!!!  One thing I do know, the original 87s are last on the list.
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Armando Diaz 85 911 Carrera - Track car 01 996 Carrera - For Sale http://forums.pelicanparts.com/showthread.php?s=&threadid=327823&highlight=996 87 944na - Old Daily Driver, now 944 CUP 03 Chevy Avalanche- Support Vehicle 70 Olds 442 W30 Conv- Gone but not forgotten http://www.diazracing.com adiaz@diazracing.com |
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06-12-2006, 05:43 PM
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Join Date: Apr 2005
Location: Ontario, Canada
Posts: 4,554
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83s? do you mean an S model? or just plural? because there was no S model in 83.
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Kyle 2008 Mini Cooper // '83 Porsche 944 // '01 Mazda Protege [sold] // "Never break more than you fix!" - SoCal Driver |
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06-12-2006, 06:16 PM
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83sssss plural.
If I'm correct: 944s = 8valve 944S = 16 valve
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Armando Diaz 85 911 Carrera - Track car 01 996 Carrera - For Sale http://forums.pelicanparts.com/showthread.php?s=&threadid=327823&highlight=996 87 944na - Old Daily Driver, now 944 CUP 03 Chevy Avalanche- Support Vehicle 70 Olds 442 W30 Conv- Gone but not forgotten http://www.diazracing.com adiaz@diazracing.com |
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06-12-2006, 06:19 PM
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Will work for parts
Join Date: Oct 2002
Location: Silicon Valley
Posts: 893
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From what I heard.......... 83's are like 951's in that they are forged. Other diffrences are beyond me.
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'88 944 240,100 miles -race car '05 Boxster 110,000 - Daily Driver '74 911 Targa - long term project |
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06-12-2006, 07:02 PM
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Back from Beyond
Join Date: Nov 2004
Location: Alberta, Canada
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Yup.
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'88 944 Auto - project, kinda '87 944 Auto - died saving my wife '84 944 5SP - crushed under shop roof during snow storm All others GONE! |
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06-12-2006, 07:45 PM
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That's what I thought but then someone showed me a 951 and they look completely different. Honestly, the only difference I saw between my 87 and 83 rods was the location of the part #. Right now I only have the 83 and 951 to compare until I ripp my motor apart:
83 on the left:  The 951 is definately more beefier but it seems to weigh more. I talked to the guy at Stratton Motorsports in Orlando, FL. They claim their engines rev at 8500 all day and they only use 83sss. comments please.....
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Armando Diaz 85 911 Carrera - Track car 01 996 Carrera - For Sale http://forums.pelicanparts.com/showthread.php?s=&threadid=327823&highlight=996 87 944na - Old Daily Driver, now 944 CUP 03 Chevy Avalanche- Support Vehicle 70 Olds 442 W30 Conv- Gone but not forgotten http://www.diazracing.com adiaz@diazracing.com Last edited by armandodiaz; 06-12-2006 at 08:16 PM.. |
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06-12-2006, 08:14 PM
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Politically Incorrect
Join Date: Aug 2005
Location: Hoover, Alabama
Posts: 1,497
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Weigh them. Lighter = less parasitic loss.
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Edek '87 924S '91 535i |
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06-12-2006, 09:56 PM
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Back from Beyond
Join Date: Nov 2004
Location: Alberta, Canada
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i do seem to recall having read on this website that the 83 rods were the way to go - unless you wanna go aftermarket.
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'88 944 Auto - project, kinda '87 944 Auto - died saving my wife '84 944 5SP - crushed under shop roof during snow storm All others GONE! |
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06-13-2006, 09:28 AM
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Update:
After reading through my notes I realized, when my 944 first spun the rod bearing, I was planning on just doing a stock repair so I purchased a set of 924S rod/pistons. Later I decided I was going to track the car so I was told to purchase the 951 rods. For some reason I was under the impression I had bought a set of 83s. My Bad. So here's the next question. In this situtation, I guess the 951 rods are the way to go? Or, should I dare ask if anyone has 83 rods and grow my collection to 4 sets.
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Armando Diaz 85 911 Carrera - Track car 01 996 Carrera - For Sale http://forums.pelicanparts.com/showthread.php?s=&threadid=327823&highlight=996 87 944na - Old Daily Driver, now 944 CUP 03 Chevy Avalanche- Support Vehicle 70 Olds 442 W30 Conv- Gone but not forgotten http://www.diazracing.com adiaz@diazracing.com |
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06-13-2006, 10:26 AM
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1985 Porsche 911 3.2
