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A FREE forum with -member photo gallery- for the vintage Chevy, Buick, Oldsmobile, Pontiac and any GM builders.
PLEASE Sign Up & Post in the Classified Section - If you don’t want to talk No Problem - But Please - List those Parts for Sale or Parts Needed! As you all know locating any parts for these early GM vehicles is tough, the goal of this forum is to bring the restorers, lowriders, street & rat rodders together. There are plenty of forums out there and it's a pain trying to locate Chevy/GM parts tucked in all of those Ford, Dodge, Plymouth etc ads. Some forums don't like mixing restored cars with custom cars, we'll focus on the early BOWTIE's....but mix it up some. To be clear we love all vintage vehicles regardless of make..it's just tough locating the Govt Motors stuff! To assist in your projects advertising is encouraged & will be FREE for both PRIVATE and COMMERCIAL sellers. Don't be a Bowtie Parts Hoarder! Unlike many other forums you are encouraged to mention other websites and/or forums in your posts or signatures. We even have a list of other forums at the bottom of the page….this is a reference site. If you have any problems with registration, account login, posting or uploading Please contact me via: borderdrop@yahoo.com Listen to one of these radio links while visiting The RUSTY BOWTIE! Oldies FM 105.1 | Country FM 98.9 | BUZZ FM99 | ROCK-A-BILLY March 25, 2024, 09:28:38 PM by EDNY
Views: 139 | Comments: 2 I recently fabricated a firing pin that has eliminated the condition of Fail to Fire (FTF) inherent with the Smith and Wesson Model 617 22 Rim fire revolver. A search of the Internet will reveal several reports by 617 owners experiencing the FTF condition. Some of the fixes noted include, replacing the hammer, replacing the firing pin with a longer one, correcting timing, replacing springs, forcing cone issues, buying various manufactured ammo etc. After some research and studying the condition with my Model 617-4 and 617-6 revolvers I modified a Power Custom extended firing pin with the result of 100% ignition in the revolvers. Attachment A: This is the actual strike impression made with my 617 revolver prior to installing my modified firing pin. FYI: It took (2) strikes before the Eley rim fire round would ignite. Note that the strike is positioned at the very outside edge of the rim fire round. Attachment B: The Eley drawing indicates where the firing strike should occur. Notice that it is inside the perimeter of the rim fire round and not on the rim as with my 617 revolver (Attachment A) Attachment C: This Eley drawing demonstrates how a properly shaped firing pin nose begins the primer crush inside and below the outer rim. The 617 firing strikes put full force on the densest outer area of the rim cartridge which prevents proper primer crush resulting in the FTF condition. It's not uncommon to continue to FTF even after several repeat strikes in the same area. Attachment D: This drawing is not to scale it is intended to demonstrate the areas and angle where I removed metal from a Power Custom extended firing pin. You will note that the firing pin nose no longer has convex shape (ball end) but rather flat face and angled upper portion.* I also removed the rear saddle depression to ensure full unhampered forward travel, also removed one coil from the firing pin spring to make up for the material a removed at the front of the pin (ie reduced AOL). With a newly designed full length firing pin the spring would not be shortened, this was done for research purposes. Attachment E: This is a picture of the resulting firing pin impression, each round fired on the first attempt. I have repeated the successful 10 round cycle with 100% ignition on each attempt. (Even with main spring adjustment screwed backed out 1/2 turn for testing purposes. (Eley and Federal bulk ammo) Again, 100% ignition. You will notice that my firing pins strikes do not hit the outer rim and impressions are wider like you would see with a rifle firing pin impression. * Another benefit of the modified firing pin: Because the 617 revolver firing pin strikes on the outside edge of the 22 rim fire cartridge it also will hit the cylinder when dry firing with an empty cylinder, causing dings in the cylinder. A properly modified firing pin nose could eliminate these dry fire dings. The firing pin retainer pin will ensure proper firing pin north-south alignment. Food for thought: A permanent Model 617 FTF fix would be to reposition the firing pin path by modifying the Model 617 revolver. Another fix would be to manufacture the Model 617 specific firing pin with modifications previously noted. Of course the modified pin would be specific to the Model 617 and not intended for center fire revolvers. NOTE: This modification only works with an unmodified factory hammer or the Apex Mass Driver Hammer, hammer weight is essential. In closing it works! March 22, 2024, 01:06:16 PM by sammons
Views: 240 | Comments: 8 ... My R/T gets a new custodian. The thought of me croaking with out knowing for sure what/who would end up with it was too much. I signed it over to my buddy Tom, buy the time i got to my last name, my hand was shaking bad. Told Tom that was one of the hardest things i've signed. When i was 14 and started work at the Mobil service station, i stopped at the drug store after school to get a Coke and head for work. Came out of the store where a 3rd grader on an orange Schwynn Stingray says "Man that is one neat car", later found out the kids name.... Tom😁 I've been told it was stupid to give the car away. Somethings money just doesn't matter, this is one. Damn thing would be worth a small fortune on the open market, but it doesn't owe me a damn thing. I bought it with reverse out from a Grandpa that ordered it for his granddaughter during her Junior year of high school. It was being abused by boyfriends and had knocked the tranny out for the 6th time, warrenty denied. Met the man at the dealership, he was pissed. I asked what he would take for it, he said... let me see whats still owed. He went in and got the payoff amount from Chrysler credit, $382. He asked if i could come up with that, i said yes. Dad's buddy drove me back to Bucklin to get my money and dad and we all headed back to dealership and paid the man. He went in, paid it off came back out with lien release and title. We pushed it back out of the parking spot and i now owned a highly abused 18k mile high optioned R/T convertible. There was only 296 R/T convertibles built for 1970, base price was $3,750, this one as ordered was over $5300. Now she has just under 35k miles, rode hard and put up wet. How she was never recked in that time is amazing. 1st pic, 7th grade 13yr old me. 2nd pic getting ready to dig it out of my backyard in '86, (had dad paint it black in fall of '74) 3rd pic 1988 4th pic 2015 where its now sat since. March 14, 2024, 11:36:21 AM by munch
Views: 514 | Comments: 2 Guys, I have acquired a Muncie trans that I can't determine what model it is as in M20, M21 or M22. The casting number is 3885010 and date code is P7C20 ( March 20, 1967). But from what I read there should be an A, B or C behind the date code that denotes what model it is and mine has none. Does anyone know what model I have? Thanks February 28, 2024, 08:42:18 AM by TFoch
Views: 873 | Comments: 2 Pages: [1]
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Re: 1932 Pontiac Six build by Rattiac
[March 27, 2024, 12:21:11 AM] Re: After nearly 51 years😥 by Essex_29 [March 26, 2024, 01:05:43 PM] Re: 1930 Buick V12 build by sixball [March 26, 2024, 12:45:35 PM] Re: S&W Model 617 (22 rimfire) fail to fire fix by sixball [March 26, 2024, 12:39:26 PM] Re: S&W Model 617 (22 rimfire) fail to fire fix by sammons [March 26, 2024, 12:01:04 PM]
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