M.Bonanni Project 370Z V3.0 | Clean Slate

M.Bonanni

I had no issues the first year I tracked my car either. I think what Downshift said in another thread about the pump wearing down every time you hit ABS making it easier and easier to hit it again each time makes a lot of sense in my particular situation. For those who haven't had any issues yet, I would suggest going with Shamu's approach to adding a vacuum canister which seems to help prevent it but will not eliminate it. It seems once you start hitting it, it rapidly gets worse and worse.

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SPOHN

I've thought about doing that. It's a cheap easy project.

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M.Bonanni

I don't see any reason not to do it. I have even thought myself about replacing my pump and doing a vacuum canister just so I can hopefully go back to not having the issue for a while. That or sell my Z and get something else that doesn't have this issue at all haha. Plus if it didn't work and I still had the issue I would be super pissed.

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Apollo8642

Does anyone know what they are doing on the Nismo RC for traction control/ABS, and yaw sensor?

Dustin@Z1

Nothing from what I can tell or have heard. Doran's RC is not running a OEM style ABS system anymore. So you really cannot reference that car.

Shamu

I have done fair amount of work beyond the vacuum canister on my car to minimize ice mode. I spent a lot of time running no abs. I have nice big brembos in front with more aggressive pads. Kept stock calipers in rear with less aggressive compound. There is a reason why I run 315 rear tire and 295 front stagger. Then spent lots of time on suspension to limit weight transfer to front during heavy braking essentially just added a bunch of bump to front.

I haven't pulled this y'all sensor yet. But I haven't experienced ice mode anymore.

I'm going to start building this car into an enduro racer and have help of someone who has a little experience with this platform. So I will keep you guys informed. Likely that stock system will be yanked. Sort of a shame as I would have really liked a fool proof way to defeat stock ice mode issue. I think I got pretty darn close as I went from constant ice mode to nothing after changes above.

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Grant

M.Bonanni

Yep, I am just patiently waiting until I have the funds to get a track ready setup again. And by that I mean ditching the ABS and getting a dual master brake setup with adjustable bias, CJ Motorsprots fuel pump thingy that fixes the starvation issue, and a truck/trailer. Then I can start having fun at the track with the Z again. Its just not fun when you spend the whole time worrying about ice mode and not even being able to drive the car to 100% of its potential.

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Shamu

I'm with you man! I curtailed track days big time due to several issues. Ice mode was one. Even with my fix I'm spooked and never go into turns way I did before ice mode experiences. Rear diff cooling was another. Lack of full cage spooked me as well once I supercharged the car as I was doing well over 130 mph at some of my local tracks. Think what it would be like to have 150 more hp than you have now and 400 lbs lighter going into turn at speed. I can't loose that thought of car not stopping!

I'm fortunate in that I have started to work with one of the guys who developed 370z grand am cars for AM. Will be turning my car into a track monster now. car Goes in for seam welding and cage and other goodies soon. So maybe later this year I will get on track more.

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Grant

M.Bonanni

Ordered a Summit Racing Vacuum Canister today. Figured for less than $50 I should at least give this car one more shot. Once I get it I am planning on doing a back to back test in an empty parking lot somewhere to see if it helps ice mode at all.

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M.Bonanni

Mounted my vacuum canister today, although I haven't hooked up the plumbing yet. Going to do a "before" test to see if I can engage ice mode then hook up the canister and try it again to see if it helps. Install so far has be super easy. Ideally you want the canister as close to the brake booster as possible but in front of the left front wheel was as close as I could get. Shouldn't be an issue though from my understanding. I just mounted it to the OEM horn mount and zip tied the horn up out of the way. Then its just running vacuum line. There's a factory vacuum hose that runs from the back of the intake manifold to the firewall which eventually leads to the brake booster. Planning on just removing that line and running a line from the manifold to the check valve on the canister then from the canister to the bung on the firewall that leads to the booster. If it all works and I don't screw up the install somehow then the entire install start to finish would have taken probably a collective total of 20 minutes with zero drilling, cutting, or fabrication. If this fixes or greatly reduces ice mode then we should all be very very happy and thank Shamu for being the guinea pig. He has reported zero ice mode since installing his.

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sixpax

...that's an awful long vacuum hose that can break, crimp, rub a crack in it, etc. etc. Smaller canister mounted to the firewall is way safer imho. There are two plugs in the firewall by the brake booster...popping those out and crafting a bracket to mount the tank is pretty easy. Just my two cents.

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M.Bonanni

The hoses are routed very safely and they're super thick. This particular canister was much larger than I anticipated and it really doesn't fit anywhere else easily. Perhaps if it works then down the road we can find a better canister/mounting solution or at least braided hose. First things first though gotta make sure it even helps. If not then its going up on a shelf in my garage anyway.

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sixpax

It'll work.

If we were talking about women I might agree that bigger (giant canister) is better and longer (12 foot hose runs) is better. That Summit thing looks like a football sideline Gatorade jug.

Another concern having it in that area is an incident involving the fascia that would render it useless ... unhook that line from manifold someday and check the pedal feel. It'll feel like a 1968 Rambler loaded with fat peeps and would take two legs and all your might to budge it a little.

Added: I should say I "hope" it works. I am not certain it does yet myself.

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M.Bonanni

They are pretty much all the same from my brief searching. If anyone knows of a slimmer one post a link! Perhaps if we create a demand someone will manufacture a 370Z specific kit! Should be fairly easy to design/build for a manufacturer.

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sixpax

Auto Craft Brake Booster Support Tank

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