SS miata

when I bought my engine it was already seperated from the trans and did not come with the 8 bolts that connect the engine to the trans. I went to the dealer and the told me I needed a bolt M12X1.75X45, 10.9 They dont fit at all seems like it should be a 10mm anyone know what length.

WeeWolf

iTrader: (16)

They should be M10x1.5x40 is what I used, think I bought them at Home Depot, you don't necessarily have to buy bolts at the dealer.

rao

iTrader: (18)

+1 M10x 1.5

serpentnoir

iTrader: (2)

The problem with home depot or Lowes is that the plating on their fasteners is typically zinc. Long term, galvanic corrosion will set in and could make disassembly a real chore. GM like the rest of the OEMs uses proprietary plating to prevent such a thing from happening. Plus the bolt will say 10.9 and you know it's 10.9. Home Depot? Who knows, the crap is made in China.

SS miata

thanks I got them from a local hardware store this afternoon however they did not have 10.9. the best I could do was 8.8

TomM

iTrader: (56)

No matter what kind of bolt you use, put a dab of never-sieze on them, it will help disassembly later.....I use it on every bolt for an aluminum or steel engine, except the internals obviously...


T,