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Just like Hunt Valley HP Saturdays, some of the most ridiculous cars in the area out there. Got my best race in omw out there once lol. Took down a twin turbo c6 z06, he was extremely upset that he just saw the taillights of a 4door Mazda haha
So I just found something out today that has left me miffed and livid.
I suspected that the rpm and gearing didn't feel as drastic as I was expecting switching from a 4.1 to a 3.636 rear end. I confirmed this by driving and holding at what the GPS said was 70mph, and the rpm should have been around 3000, but was just under 3500.
Turns out plugging it into the FM gearing calculator, I was sent the 3.9 gears. I didn't bother to check since, you know, brand new part from Mazda. MAZMART is where I ordered it from. Now it's a bit too late to do anything about it since it's already setup and installed but what a ******* let down.
I'll deal with it for now as I don't have the time, patience or funds to build a other diff unless someone wants to trade their OSGiken 3.63
I'm so ******* pissed and tired of paying for something and getting the wrong parts. Sadly I ordered all that stuff last October and it wasn't until the install day at Downmenteds place that it went in. Not sure what I can get but I had a 3.9 ring and pinion on hand already. Would have saved more than half a grand.
Funny you say this because it showed up in a nondescript box with no factory tags. It looked completely brand new, only the pinion was in am unmarked bag. But Mazmart said it came from Japan, and shipping was from Georgia. I didn't thing Fab9 sold ring and pinions.... Because I don't check that site anymore
turns out, it's a direct swap. The positive terminal and plug just sit on top of the alternator, but even the bottom alternator bolt is identical to stock. Everything mounts up, no issues, extras wiring, no drama. The pulleys where measured to be within 3 mm difference in diameter.
I disassembled it, removed the mini filter and had a dummy solenoid on hand to mask the area. It was cleaned and coated, individually by color. I just went over to priority for a new gasket and oring. I'll reuse my current solenoid when installed.