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TheRedSlantnose's Avatar
 
Join Date: Feb 2014
Location: Keller, TX
Posts: 485
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Quote:
Originally Posted by RarlyL8 View Post
One thing to consider with the slant is the section width limitations for the front tires. My frog eyed fender Red Rocket ran 255 or 265 mm tires on front that would throw you through the windshield before locking up. The slant has 245mm and I notice a difference. I started out with 225mm which I considered dangerous and immediately removed.
In that case, I must be in trouble because my front tires are 235's.

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Jason

1987 930 Slantnose Cabriolet, 545 hp, Guards Red- Weekend cruiser
1986 944 Turbo (951), 350+hp, Guards Red- Track car
2005 Toyota Tundra SR5 Double Cab 4x4, stock 282 hp, Silver- Daily driver
Old 10-24-2014, 01:49 PM
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Join Date: Jan 2000
Location: Huntsville, AL
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With mine there is the huge bias of 345mm rear tires with 245mm front tires that plays into it.
I was really shocked at the difference in braking when I went from 225 to 245 fronts and added an inch in height. The entire suspension setup has a LOT to do with braking performance. When I lowered the front of the car 1/2" the braking became unbalanced and the front tires locked up easier. It is a complex subject.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 10-24-2014, 06:10 PM
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Quote:
Originally Posted by Tippy View Post
All these theories with no numbers. I know how to get there too as 911's don't like stomping the brakes until weight has transferred to the front.

Anyone with hard numbers?
Need specific questions.
Which model 930, Euro or US?
Which year 930?,
pre 3.3 (pre 78) 3.0 930's had weaker brakes not up to task so Porsche upgraded them from 78 on

Best 930 combo is Early Euro with later style brakes, Early Euro is the lightest Turbo of them all and will stop quicker than all the 930's if fitted with later model brakes.

Some of the Last of the 1977 930's made were equipped with 78on brakes, very rare and they stop the quickest, so much so you need to be careful of people behind you and copy their braking speed or you might get rear ended

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Old 10-24-2014, 08:10 PM
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