flywheel balance

paintballtommy · Jun 19, 2004

okay i went out and got my flywheel and tourque converter for my setup.

im running a 289 tc on my 69 351. my question is the flywheel i got is for a 302/5L engine years 71-76. it is 13-5/16" in diameter and has 157 teeth. it is the closest thing i could get to the orriginal 289 flywheel. my question is. is it the same imbalance as the orriginal 289 flywheel and will i ahve any problems if i try and run it on my car with 289 ballancer and t c

thanks,
tommy

67coupe351w · Jun 19, 2004

289 and early 302's and all years of 351w had the 28 oz balance.

The late model 302's went to what is it like 50 oz imbalance, I think that happened in either 82-83 anybody got an exact year on that??

paintballtommy · Jun 19, 2004

thats exactly what i thought but i wasnt sure so i wanted to double check to make sure i dont messs stuff up. anyone want to chime in on this with some info about the teeth difference?

Thanks,
tommy

A66Auto · Jun 19, 2004

You know, that is a good question. I am building a late 302 (92) for my car and I am kinda in the same boat. I have a standard transmission and I have to get a late model flywheel. Anyone know if I am going to have problems fitting or using the 50oz flywheel in my 66 bellhousing and if everything will bolt up? I am planning on just using the 92 flywheel and hoping that all will fit. What differnence will the teeth count make? Anyone?

D.Hearne · Jun 20, 2004

A66Auto said:
You know, that is a good question. I am building a late 302 (92) for my car and I am kinda in the same boat. I have a standard transmission and I have to get a late model flywheel. Anyone know if I am going to have problems fitting or using the 50oz flywheel in my 66 bellhousing and if everything will bolt up? I am planning on just using the 92 flywheel and hoping that all will fit. What differnence will the teeth count make? Anyone?

The 157 Tooth 50 oz/in flywheel will work fine inside a 289 bell housing.Been using just that combo for three years now in a V8 Ranger.

WORTH · Jun 20, 2004

If you change the # of teeth you have to change the bellhousing with it. It is simply a matter of lining up the starter, if you used the large bell housing with the small flywheel the starter gear wouldn't hit the flywheel gear..

allcarfan · Jun 20, 2004

FYI:

Flexplate = auto trans

Flywheel = manual trans

Instead of trying to 'make work' what you have.....spend the $50 on an SFI flexplate or flywheel that is the right one

paintballtommy · Jun 21, 2004

whats killin me is they are like... wait not like. exactly the same diameter?

what up with that.

late,
tommy

ashford · Jun 21, 2004

ford motorsports has a 50oz 157 tooth flywheel for $99 through summit or jegs

speedway motors has a 28 oz 157 steel flywheel(i cant find a cast one) for $160

the 164 tooth flywheels a readyily availible in most parts stores

flywheel balance

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