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#41
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Thanks for sharing the photo and your offer to provide additional ones. I'm either going to rebuild my 264 myself or have it done sometime before next year's cruise and car show season. If I do it myself, I may take you up on your offer and request more pics.
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#42
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Another factory mistake that I had to contend with was that the speedometer was set up for a 3.23 gear set, so I accumulated a lot more miles on the odometer than the car actually travelled by a factor of 390/323. The speed that the car was travelling at was also off by the same ratio. So when the speedometer indicated 70 MPH, I was really only going 58 MPH. I eventually corrected the error with a custom made gear box that attached to the speedo output on the tranny to slow down the cable rotation (which was easier for me to do than pulling the speedometer out of the car and changing gears). |
#43
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#44
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And so did Firebird Formula 455 and Grand Ville according to the brochures. From http://phscollectorcarworld.blogspot...rand-prix.html "You could still get a manual transmission car but they were scarce. Just 116 stick shift G.P.s were made that year and the majority of them were 3 speeds. The four speed version was super rare at 58 cars. In fact by March 1971, the standard transmission was dropped from the Grand Prix line. The same thing happened to the Bonneville -Catalina 455 as well." |
#45
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The HD-3 speed was base transmission with the 400/4bbl, and 455HO.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#46
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Kenth, Thanks for posting those info/specs from the '71 brochures...I was looking for those myself and you saved me a bunch of time searching, lol. I believe the factory never actually offered the manual transmissions behind the D-port 455 4-bbl engines, despite the early brochure saying so. I have never personally seen any '71/'72 A or F body being equipped as such. The only D-port 455 4-bbl that was offered with a manual trans was the '73 Trans Am (and Formulas?), then not for '74, but then yes again for '75 & '76. I am happy to be proved wrong and always willing to learn something new, so please don't take this as a challenge, just from what I've seen and gleaned over the years.
Dennis |
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