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Ok, since as far as I'm concerned I'm the ZZB uncrowned king (6) I wonder if with with this new engine I'm building I'd use I should use an OEM pump, an EcoBoost pump or this one: https://www.mountuneusa.com/High-Pressure-Oil-Pump-Ford-EcoBoost-p/2536-op-aa.htm With the last engines I've had...

Has anyone played with the gear ratios in the tune? What I'm trying to accomplish is to bring the speedo closer to the GPS readings but I don't know the impact of changing a few things there (essentially the final drive ratios) for accel/decel adjustment and possibly other things that we can't...

Does anyone know if when acquired new these heads come with all required parts? I see that on some web shops they come without the camshafts and cam followers (L3K910090G).

So after wasting about $1500 trying to diagnose the issue here: https://www.mazdaspeeds.org/index.php?threads/new-engine-old-issues-still-haunting-after-rebuild.8988/ I figured my spark plugs crack for some reason. They crack in the coil boot area as you can see in this picture here: I finally...

So back in June I had a catastrophic engine failure caused by some work we did on the factory intake manifold: VTCS removed and slightly ported, and the holes between the runners were sealed with some studs and then the fabricator used some melted tin to hold them in place. No, it was not a good...

With the SouthBend flywheel we need to torque the flywheel bolts at 3/4 of the factory spec (90Nm instead of 120, or like 66lb*ft instead of 90) because the SB flywheel is thicker and the bolts will catch fewer threads into the crank. Does anyone know of any flywheel bolts that have the same...

As some people who came here from the MSF know, I've beed searching for a solution to quicken the steering for quite some time now. I finally found a company based in Poland/Europe which does exactly this and could make us some quicker steering racks. If they do a batch of 5 the price would be...

Right now in my engine I have the SP63 provided Mahle 4032 alloy pistons. I directed one of my friends to them and got a set for his speed3, but now we need to build one more engine for another group member and we're wondering how the Supertech 4032 pistons compare to the Mahle ones. Are they...

Recently we had a motor letting go out of the blue. There was absolutely no sign of it having any sort of issue, the engine was sounding well and the logs were showing everything was perfect. The owner did not open the engine yet, it's going to be a bit expensive. The engine let go during a...

So I've been trolling Eonon for a few good years now about a front silver face for their units and finally someone from them managed to respond. They said that if I manage to get 10 people together who want an Eonon unit with a silver front face they will make it. We're two so far. If we're not...

I need a WMI kit for my CX7 and initially I wanted to get another Cooling Mist Stage2+CMGS as I have in my 3MPS. But the Cooling Mist site seems to be on its way out, Stratified doesn't list these kits any more but they list Snow Performance. The equivalent for what I have on my gen1 speed3...

I'm trying to make my cars a bit peppier down low by trying to spin the turbos a bit faster in those RPM intervals where they don't do anything or not much, like 2200-3000rpm. However, I ran into something that I'm not really familiar with and I don't want to experiment on these engines. When...

Since they were released I was always thinking to get a pair of front calipers from CS. However, as you all know they're released in Blue, Red and Black, and despite the mods list and actual power I also care quite a lot about my car looking good, being 100% streetable and comply as much as...