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C2 1963 - 1967 Tech/Performance
Thread TitleThread QuestionPosted ByPost DateReplies
65 Temperature Gauge and Sender Issues Great team of guys you were with help on my clutch issue. Thanks. My 65 is a 327/350 with Factory A/C convertible. After the engine rebuild, I noticed my temperature was much hotter according the gauge. Easily getting up to 210. Cooling back down to 180-190 on the road, and climbing back up in the space of a few minutes at a light. I checked it with an IR gun and when it reads 210 on the gauge, the IR gun says 190 at the thermostat outlet. 190 at the top of the radiator. 165 coming out the bottom of the radiator. I figured the sender was bad. Read all the information about how mismatched they all are. And each time I replaced one, it was still off. That included one supposedly calibrated from Lectric Limited and one from Corvette Clocks. Finally, I sprang for an NOS one that cost $100. Installed it, and my reading is still off 20-25 degrees. That says it must be the gauge. Maybe. So now I'm wondering do I try and get a reproduction or NOS gauge? And will they be equally as unreliable?... Jeff Menkes 7/20/2015 3:02:14 PM1
CLUTCH CHATTER PROBLEM. I HAD THE SAME PROBLEM WITH CLUTCH CHATTER AFTER I HAD MY 65 PONTIAC ENGINE 4 SPEED TRANS AND CLUTCH REBUILT. WHAT A NIGHTMARE! I WENT THRU 3 DISCS AND 2 PRESSURE PLATES, HAD ALL CHECKED. NEW EVERYTHING AND FINALLY FOUND OUT AFTER RECHECKING ALL, THE INPUT PILOT SHAFT HAD A NEW BEARING INSTALLED, AND THE OUTSIDE DIA SNAP RING WHEN INSTALLED ON THE NEW BEARING WAS .025"/.035" LARGER ON ITS O.D. THAN THE SNAP RING RECESS GROOVE IN THE PILOT SHAFT / THROWOUT BEARING NOSE END HOUSING MOUNTING FACE THAT HOLDS THE THOWOUT BEARING CENTERED AND SQUARE TO THE PRESSURE PLATE FINGERS, THIS CAUSED THE HOUSING TO TILT A BIT. IT MAY HAVE CAUSED THE ALUMINUM BELL HOUSING TO SHIFT??? THERE IS A .030/040" THICK GASKET UNDER THE HOUSING FACE AT ASSEMBLY, AND IT HID THE NOSE HOUSING TILT PROBLEM, WHICH CAUSED THE CHATTER. I EVEN TOOK APART THE NEW DIPHRAGM PRESSURE PLATE AND REMACHINED THE FRONT FACE AND THE BACK RADII WHERE THE DIAPHRAGM RIDES. ALL THEN WAS PERFECT, ALL DIAL INDIC... Thomas Barth 2/9/2015 3:52:42 PM7
C2 Clutch Shudder I have a 65 327/350 A/C Convertible that I've had and babied for 25 years. A stunning show car. I finally had the engine out for a rebuild last year and had the transmission rebuilt too with a new clutch. I've been through 3 clutches in less than 200 miles. Each one with the same problem. A terrible shudder when the clutch is let out. When I have to slip the clutch to get up the incline of my driveway and slowly go into my garage, it vibrates like it's going to shake itself apart. After the third clutch was put in, the transmission guy told me it just needs to break in. This does not seem normal. I did not have that problem previously. The brand of clutch that was installed was Luk. I was told that the flywheel was machined. And an engine mount replaced. Anyone have any ideas? Jeff Menkes 2/7/2015 4:20:16 PM9
1965 396/425 Hard hot starts Anyone know how to fix a vapor lock problem? My Corvette starts fine when cold but when I try to start it when its at operating temp it cranks but won't start. I suspect vapor lock. Anyone with suggestions? John Forster 1/22/2014 3:01:37 PM1
Recommended shop I too have a 63 split and while they are NOT in your area, the guys, Ed and Bill at Corvette Paramedics have provided me with excellent service. They are in Mt. Holly, NJ 609-265-2702. They have a website if you want to check them out. Ed helped when I was inspecting a 62, checked all numbers and we found a "real deal" 62 with only 53K. Philip D'Alessandro 7/26/2010 7:53:51 AM3
Engine Rebuild Pat Musi Performance 48 Lefferts Street. Carteret NJ, 07008 Phone: 732-541-1919 Fax: 732-969-2474 General Inquiries - info@patmusi.com Match Race availability - racing@patmusi.com Website - webmaster@patmusi.com JLTOY 7/26/2010 7:48:49 AM0
Remanufactured Engine Suppliers I have a '63 Split Window but I unfortunately do not have the correct numbered 327 engine. Can anyone recommend a shop that has a good reputation remanufacturing Chevy Small Blocks? I would prefer the New England area but will consider other locations if the shops reputation warrants it. If you know of a shop that specializes in finding correct numbered parts, I would appreciate the tip. Thank you Rick 7/16/2010 8:30:37 AM0
Stainless Steel Inserts Brakes For Vettes only had an article about stainless stell inserts for whwwl cyl. and master cyl. It named 3 suppliers and one of them was located in Minneapolis, mn. What is their nameand phone number? David Martin 4/3/2008 3:05:59 PM1
Early production 396 engine stamping I own a 65 396 corvette built on April 1st 1965. I am told by Bloomington Gold Judges that my car is rare in the fact the motor was assembled (3-15-65) during a period that the pad stamping was done backwards. This was only done during a two week vacation period. Is there anyone else out there that has a 396 between serial number 13685 and 14171? If so, please respond to e-mail timandlori2@verizon.net. I would sincerely appreciate it. Thanks, Tim Timothy Bowgren 9/21/2007 5:11:06 AM0
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