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I remember reading that type BMW was speed density too. With larger enough ports and central chamber, at low throttle opening, the engine behaves like a common plenum and the throttle syncing becomes less critical.

Wow Terry. If I think I'm seeing what my eyes are telling me, well done. I want to share the virtues of the MS2 hybrid set up. I have a similar situation with the single plenum to get a MAP signal, but the nice thing about the MS2 hybrid is when the MAP drops below 85% of atmospheric...

I dug up some pics of my heavily modded speedmaster I swapped the throttle bodies around so the injectors were in the middle squirting more on the back of the valve, added the 2 plenums because the idle air motor would heavily affect the vacuum reading if the map and IAC were in the same...

Not sure how the other EFI systems handle it, but Megasquirt 2 extra has a hybrid alphN/SD algorithm that uses speed density up to about 85% load then switches to speed density. I heavily modified a speedmaster cheapy 8 stack on a 383 SBC and had it running really well. I had 2 plenums under...

Don't you love that? I once bought a HEAVY home HiFi amplifier. The shipper put it in a box full of peanuts. By the time the package made it through UPS's system, it was a round ball of tape, the peanuts were all pulverized to what looked like fake snow, and every corner of the amp was crushed...

I think you're good Sean. Under very low flow, you may have most of the flow through the bottom, but when the pump is moving water, there will be a pressure differential across the core that will cause flow across the whole radiator.

I've heard of a replica gullwing Mercedes being destroyed in Germany, and at one time (much closer to 2006 than 2024) Lone Star was making a GT40ish kit that was larger and looked to much like a 2005 GT, and they got a cease and desist order.

Rick Bickle should be there. he and I got our 40s on the same trip. You might recognize a couple other names if you scan the who's coming page.

NICE Are you bringing it to San Marcos for the Texas Cobra Club massive spring get together?

X2

Anyone else admire this guys craftsmanship?

I learned on a KZ1100LTD. Nimble or not, once bitten I couldn't live without the CCs But the cafe racer looks like good times.

Top gear with the E brake SHOULD be enough after you get the slop out of the driveline.

Next to my lathe, I have a little 36" lower kitchen type cabinet (all drawers) with a granite top, and I usually have adhesive backed sandpaper stuck to it for this exact purpose.

Did anyone else notice these engines have the same firing order, just a different numbering system and start point?

I have one of their 383 SBCs and very happy with the performance and value.

I'm guessing with 2500 HP, you would be traction limited to well past 120 MPH in a 2500 lb car on non prepped pavement. Only needed on the street if you have a <3" dick

Make sure it's not dexcool or GM specific. That stuff makes kitty litter when it's exposed to air, and any amount of burping or overflow due to expansion introduces air.

You can reduce that by making your own shorter A arms, but that will open another can of worms learning camber curves and roll centers.

Haven't built anything yet, but from a little playing around I can say you'll want at least 2 or more likely 3 different radii or you'll have the longer sweeps looking like truncated squares. The back couple of cylinders usually make a long sweep around up and over. Without long radius bend...