Black suede air force 1 gum sole

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Unlike the last pair of AF1s I reviewed, the Nike Air Force 1 Black Suede & Gum does not fall under the “remastered” category. These are just a regular GR. Still, they looked so dope online, when they eventually went on sale, I had to cop! There is not a ton to this shoe, yet it really stuck out to me amongst all the killer Air Force 1 releases lately!

Materials: The color of the month pack and Nai Ke AF1s all sport premium materials, but these unfortunately do not. The suede is basically sandpaper on these. The tongue is partly a nice tumbled leather which is a welcome surprise. The construction is solid and the shape is fine, I just wish the suede was a lot nicer. This pair is definitely more about the look of a black suede upper than it is about how nice the actual suede is.

Fit: The Nike Air Force 1 Black Suede fit big as is usual for a pair of Forces. They are also super comfy and a little heavy – there’s nothing out of the ordinary with these with respect to what a typical pair of AF1s feels like on foot. As long as you go a half size down, you should be happy with the fit on these.

Where To Cop:

As of the writing of this article, eBay is your best bet for these. If you can’t find this colorway, you could always grab some newer AF1s at Nike.

The recommended replacement interval for the cam belt was 100,000 kms or four years, whichever occurred first. A self-adjusting, hydraulic tensioner maintained timing belt tension and valve clearance checking/adjustment was only necessary every 150,000 kms.

The EJ208 cylinder head had four valves per cylinder that were actuated by solid valve lifters. The intake valves had hollow stems to reduce mass and inertia, while the exhaust valve stems were filled with sodium. At high temperatures, the sodium would liquefy and its motion within the stem would effectively transfer heat from the valve head to the valve stem, contributing to faster cooling of the valve head. The intake valves weighed 48.4 grams each, while the exhaust valves weighed 46.7 grams each. The EJ208 engine had two sequential turbochargers – a primary IHI VF33 turbocharger and a secondary IHI VF32 turbocharger – which operated in three stages:

• Primary stage single turbo operation: at low to medium engine speeds, boost pressure was provided solely by the smaller, ‘primary’ turbocharger. The boost pressure generated by the primary turbocharger was controlled by a wastegate which operated in response to signals from the ECM;
• Intermediate preparatory stage: at medium engine speeds, the exhaust control valve was partially opened – in response to signals from the ECM – so that the secondary turbocharger would begin to rotate. Initially, pressure generated by the secondary turbocharger was redirected to the inlet side of the air intake. Furthermore, the ECM uses a differential pressure sensor to measure the difference in boost pressure between the intake manifold (generated by the primary turbocharger) and the secondary turbocharger; and,
• Secondary stage twin turbo operation: when the ECM determined that engine operating conditions were suitable, the relief valve would close and the exhaust gas control valve would fully open. When the intake control valve was opened, pressure from the secondary turbocharger was supplied to the intercooler. During this stage, boost pressure control was regulated via the primary turbocharger’s wastegate.

The intake ports for the EJ208 engine were designed to create a ‘tumble swirl’ air motion as the air and fuel entered the cylinder - this action improved mixing of the air and fuel for more uniform flame travel and faster combustion. The EJ208 engine had computer controlled, multi-point sequential fuel injection system with 550 cc injectors. The injection and firing order for the EJ208 engine was 1-3-2-4.

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ایران

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اعتراضات ایران؛ افزایش نگرانی‌ها و واکنش‌های بین‌المللی نسبت به اعدام قریب‌الوقوع معترضان

• روزشمار اعتراضات ایران؛ در این مدت چه اتفاقاتی افتاده است؟

• کدام یک از معترضان بازداشت‌ شده در ایران با خطر قریب‌ الوقوع اعدام روبرو هستند؟

• اعتراض‌های ایران؛ قوه قضاییه ۴۰۰ نفر از معترضان را به حبس محکوم کرد

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