I'm leaning towards using it as it rarely sees 5k and I have no plans to drag it. If someone has a 10.5" flywheel WITHOUT cracks they'd like to sell let me know. Thanks for the input guys. Steve Mick wrote: > > It probably depends on how you use it. . I wouldn't take it over 5500 > RPM. > I had a stock flywheel (chebby) that had the stress cracks machined > out, > explode at 6500 RPM. VERY scary. Holes in the floor and a chunk out of > the > corner of the frame. That 7500 RPM miss shift the day before might have > stressed it a tiny bit! Young and dumb and you know the > rest.............................MO > > {Steve Mick} > http://www.1962to1965mopar.ornocar.com/mick64.html > > ----- Original Message ----- > From: <Dodger7998@xxxxxxx> > To: <1962to1965mopars@xxxxxxxxxx> > Sent: Wednesday, July 14, 2010 7:31 AM > Subject: Re: Flywheel cracks > > > > > > > > I would say go for it, the machinist, unless warning you not to use > > it, > > put his shop on the line by turning it for you, if he thought it were > > a > > problem, he would have not turned it, really doubt that the heat > > checks > > will > > be that much of a performance loss > > > > > > In a message dated 7/14/2010 6:28:31 A.M. Central Daylight Time, > > ledman_70@xxxxxxxxxxx writes: > > > > > > Sorry for the blank post. Here's what I meant to ask: I just had my > > bigblock flywheel turned to install a new clutch and there are some > > small heat cracks in it due to the old clutch slipping. There'ye not > > bad, but do you guys think it's still useable? The car is a 64 Polara > > with a warmed up 426 wedge, 4-spd OD and 3:91 gears. I thrash on it > > regularly, but it will probably never see the track. The machinist said > > it wasn't that bad and turned it, but didn't charge me. He didn't say > > whether he'd use it or not. > > > > Jeff Adams wrote: > >> > >> > >> > >> Jeff Adams > >> 64 Polara > > > > > > > > Jeff Adams > > 64 Polara > > > > > > ---- > > Please address private mail -- mail of interest to only one person -- > > directly to that person. I.e., send parts/car transactions and > > negotiations as > > well as other personal messages only to the intended recipient, not to > > the > > Clubhouse public address. This practice will protect your privacy, > > reduce > > the total volume of mail and fine tune the content signal to Mopar > > topic. > > Thanks! > > > > 1962 to 1965 Mopar Clubhouse Discussion Guidelines: > > http://www.1962to1965mopar.ornocar.org/mletiq.html and > > http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. > > > > > > > > -- > > [Non-text portions of this message have been removed] > > > > > > ---- > > Please address private mail -- mail of interest to only one person -- > > directly to that person. I.e., send parts/car transactions and > > negotiations as well as other personal messages only to the intended > > recipient, not to the Clubhouse public address. This practice will > > protect > > your privacy, reduce the total volume of mail and fine tune the content > > signal to Mopar topic. Thanks! > > > > 1962 to 1965 Mopar Clubhouse Discussion Guidelines: > > http://www.1962to1965mopar.ornocar.org/mletiq.html and > > http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. > > > > > > > Jeff Adams 64 Polara ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.