Which pistons are legal for a 95 ITA Miata ?

A

Abhi

New member
I need to buy pistons for a 1.8 Miata (1995) for ITA. Mazdaspeed has the .040 set listed for $795 for the piston set, but don't have them in stock.

It is legal to use an aftermarket piston, and if so does anyone have recommendations ?

Also are forged pistons legal ?

Thanks
Abhi
 
There's this cool book online which talks about this and several other compliance related subjects. I think it's even on SCCA's website. Something, something GCR?

Yeah, go with the forged. :p Why just listen to someone here and hope they're right?
 
gran racing said:
There's this cool book online which talks about this and several other compliance related subjects. I think it's even on SCCA's website. Something, something GCR?

QUOTE]

OK Wiseguy :)

I did look. Just didn't understand what it meant.
So I figured I would ask here.

Trying to get the car back together for the next New Hampshire race, after ventilating the block last weekend.

Abhi
Click to expand...
 
Abhi,

Talk with Matt. Forged is legal but the pistons have to weigh the same as the stock units so you won't find them IMHO for reasonable money.

Does Mazda have the .020 sets in stock? Cheaper and usually more avail plus it gives you an option to go .040 after.

If you want to 'rush' it, get a stock bottom end and go with that for now while you build a 'pro' motor over the winter. Take your time.
 
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