There's a pretty strong case to be made for replacing the crank bolt on the 1.6 Miata engines (90-93, though the bolt was replaced with a longer version somewhere in 91 or 92, if I remember correctly) anytime you take it out.

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1961 220b: first project car - sold.
2000 CLK 430: first modern Benz - sold.
2001 CLK 55: OMG the torque!!! - sold
1972 280SE 4.5: Baby Gustav
1991 300TE 4Matic: Gretel the Snow Bunny - sold
1978 300SD: Katz the Free Man - given away
1980 Redhead: Darling Wife

Thankfully I did not have to mess with the crankshaft bolt. I just had to remove the harmonic balancer and pulley.

I think this is one of the funnest driving cars I've ever driven.

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Jim

Its a lotta fun. You can race people all the way to work weaving in and out of traffic and the cops just don't even see you at all. Don't explore the actual limit of adhesion on the street though cause it might leave the road backwards if you get too aggressive. Fortunately there is plenty of fun inside the limit.

I like it because there is enough power to kick the rear out a bit taking off and turning 90 degrees at the same time.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.