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Originally Posted by SPOHN I just wish I could get one person that has deleted there AC show me a pic of it. I want to see there replacement bracket.
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#1 (permalink) | |
A True Z Fanatic
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#3 (permalink) |
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No measurements on the plastic removal, just common sense. Anything that gets more air exchanged out of the bay has to drop temps in there, same idea as hood vents. FWIW, I removed the engine cover, but left the upper stuff all in place. I like the little bit of shield it gives to the two corner compartments from heat (brake master cylinder in one, and I have my PCV catch can mounted in what used to be the battery area - if it stays a little cooler than the surrounding stuff it condenses better).
Re: undertray, it's not a huge benefit really, but it's worth it to me all the same. I like that it adds a bit of rigidity to the front of the car (not driving/suspension rigidity - plastic bumper/underside rigidity against pressure deformation at speed), as it solidly affixes the bottom edge of the front bumper and the edges of the corner underside plastics to the hard frame. The older Version 1 of it that I have, combined with my no-longer-available AMPerf baffled oil pan sticking out a bit more than stock, also adds up to more cooling (as the aluminum oil pan is pressed into contact with the giant aluminum undertray). Probably some fringe benefits in scrape/impact situations over the stock plastic too, but I don't scrape much anyways. |
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#4 (permalink) | |
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Can you post a pic of your engine bay plastics? Just curious how you have it setup. Thanks! Chris
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#5 (permalink) | ||
A True Z Fanatic
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This is dated, but pretty close. I removed the M370 metal cover as well, it's not there anymore currently. Also notable in this pic, bottom right corner of the picture is that fusebox I just removed the other day: ![]() |
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#6 (permalink) |
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You mean you didn't attach those shoe string looking things to your car then get a blow dryer to simulate a wind tunnel?! It works!
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#7 (permalink) | |
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![]() I think many of Those only apply to track only cars. For most street applications with light to moderate track use I think a few big ones are lighter battery & relocation to trunk, lth, lighter brakes, smaller windshield washer reservoir or maybe removal Sent from my SAMSUNG-SGH-I897 using Tapatalk 2
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#8 (permalink) | |
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The other big hitter items that are located towards the front are passenger side airbag and the glovebox door, all the insulation behind the dash, stock steering wheel/airbag, stereo, ventilation controls and blower ( now that is debatable for street car but I use good anti fog), tar on floors. But honestly for corner weights I think this stuff doesn't do much since its mid ship. The problem with Z is that motor sits way out front so your battling that weight acting as fulcrum. It gets worse as car loses weight as the motor as a percent to total car weight gets bigger. I want to do something to get all cooling moved more inboard, maybe work on front structure. I have even though a semi tube frame front end might be way to go eventually but that's a little radical for a street car and I'd want full cage if I went that route. I haven't looked closely but wonder if we could shift motor and tranny backwards at all? That would require lots of custom fabrication however. I do know if you pin the hood lots of the front structure can go or be rebuilt with aluminum.
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#9 (permalink) |
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Also while focus should be on front there is lots of weight up high in rear of the car. You can pull weight up high and convert it to weight down low with suspension bracing, strut brace, big huge 18x12 wheels 18x12 wheels, diff cooler, etc
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#11 (permalink) |
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I'd go with the Urethane bushing ones rather than the solid ones (both from Z1's catalog I mean). Solid sounds like it would be really harsh on transmitting vibration back through the chassis.
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#13 (permalink) |
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We offer both Solid and Urethane motor mounts. Solid mounts will be harsher around idle and low RPM's mostly. Urethane mounts will eventually wear out (....after a VERY long time), but behave much like an OEM mount. Some energy absorption technically reduces the total amount of power transmitted to the wheels. But it is a give and take kind of battle. Doran and SFR run our Urethane mounts, whereas DWW runs solid engine mounts. But in terms of the complete vehicle/tire packages, there are major differences between them (Doran v. SFR/DWW).
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#14 (permalink) | |
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#15 (permalink) | ||
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![]() and for stuff like road america/road atlanta... urethane or solid?
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