Just wondering what is the thread on late model flywheels (like 87 gt) for pressure plate bolts. is it standard 5/16 or metric 8mm? Are these bolts hardened (SAE grade 8 or metric 10.9)?
late models are metric and hardened. you also need the pins for them too. ford racing sells them, check summit
Ditto, the threads are metric, but the pins are not required for the pressure plate. They're good to have there, but not an absolute requirement.
Depends who you ask. Some manufacturers say that if you don't have those pins in your clutch WILL chatter. I don't have any personal experience without the pins but then, they are like 10 bucks for the package, cheap insurance.
I don't doubt it. Out of curiosity was it a diaphram clutch or the earlier 3 finger style and how big was it ?
It was the Centerforce dual friction set I'm still running in my 89 Ranger. 5+years now on this set. Looking like it's going to last another 5 . The lLong style pressure plates don't fit the bolt pattern on the flywheel (Ford iron 157 tooth)
Do you know what is Ford specification on these bolts' torque? Is regular 20-25 lbs ok? About the dowel pins I would definitely use them (they come with the flywheel anyway) clutch + trans work is no fun when no car lift is available (my case)
DH as we talk metric did you use metric grade 9 (8.8) or metric equivalent of SAE grade 9 (most likely 12.9 but don't know for sure)?
Huh, you've got me on that. Been a few years since I laid eyes on em. My Dad bought em for me at a bolt store down the road near where he lives.
