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At what point is it wise to replace the stock flex plate?

How many guys have made this conversion and how do you like it? I just picked up a 904 with these mods.

What would be a fair asking price for a nice quiet open 3.55:1 8 3/4 centre section?

Rebuilding a 904 with the later 2.74 / 1.54 gives a higher ratio first gear. Who have done this or are using a later A998/999? ...how do you like the gear ratios?

can 67 -70 a body suspension components be used on a 66 valiant? A- arms,torsion bars,rear axle,rear leaf springs etc? tx guys..

For those that have used or are using 2.94 rear gears...how do you like them? i realize that with tall tires and a long duration cam they woudn't be a good fit.

..there is currently a thread on a new A body 6 speed...i did not want to hi jack it. For those who have installed an overdrive transmission which one are you using,how does it perform pros / cons?

o.k. ...fuel gauge working correctly now (replaced float on sender) ....charging system working o.k. (replaced voltage regulator) ...now speedometer stops at 60 mph,otherwise it works fine and is accurate your thoughts? Tx in advance

have a nice 3.55 suregrip supposedly rebuilt but checked the pinion / ring gear pattern and it is not correct.Are there shims in the 489 case or is this set with the crush sleeve?

just pulled a set of 4.10's out of a 69 Dart 8 3/4 rear the casting number is 182657? ...anybody know what case a 657 is or the size of the pinion?

for those that have gone to an overdrive transmission how did your mileage and performance change?

any body using 2.94"s? what's your build and how do you like them? How's the performance?

any trick to changing the speedometer gear in a 904? looks pretty straightforward,just thought i'd ask.

...how will going from a 3.23 to a 3.55 or 3.91 gear affect the stall speed of the torque converter? ..or will it remain the same?

what is your rpm at highway speeds...say 60 or 70 mph and your tire size? ..does 2800 rpm @ 60 mph with a 26" tire sound about right?

anybody have interference problems with the B&M 10235 weighted flexplate when used on a cast crank 340 and 904 transmission?

..what do the torque converter weights for 340 cast crank weigh in grams?

..is there a preferred year to use or any year to avoid? wanting a 904 to use with a cast crank 340.i have the flexplate with the small bite out of it and will run a neutral balance torque converter.

the '69 shop manual shows the 318 converter stalls at 2100 - 2320 this has probably been asked,but for those running a 904 and 318 converter behind a stock or warm 340,what does yours stall at?

for those using a 904 behind a warm smallblock with an 8 3/4 rear axle. how will the 904 and 7 1/4 driveshaft hold up if shortened? that 904 yolk and universal look awfully small.

what is the difference in weight between a 904 and 727?

an 11- 12 inch torque converter would usually be for a stock application where an 8 - 10 inch converter would fall in to a race style category. ...why a smaller diameter for a race converter?

Who have or are using 2.93's? what's your cam/converter and how do they perform?

i have a driveshaft for a 727/8 3/4 for my '69 Dart. how much longer is the driveshaft for a 904 with the 8 3/4?

anybody have any experience with 80's style lock up transmissions. pro's and cons with a warm smallblock?

..what was the first year for lock up torque converters? ..how would a 1984 Diplomat 318 and 904 differ from a '73 318 and 904?

Who have used a stock 318 converter behind a 340 ? What were your cam specs and what was the stall speed ?

who has some experience with TCI torque converters? Street fighter,Saturday night special....good/bad? they are reasonably priced compared to a custom build. ...just for street duty.

..was reading Larry Sheppards' mopar performance book last night and in the section on crankshafts it says all '72 and '73 manual transmission 340's received forged crankshafts. .. correct?