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[Race 3] Snetterton 300 (July 2021)

[Race 3] Snetterton 300 (July 2021)

Summary I qualified in 35th out of 47 (8th of 12 in Class C) in a time of 2m21.73s. By comparison the leading ClassC car, Jonathan Packer’s Type R qualified in 21st overall in 2m15.27s. I finished 31st overall of 39 finishers (9th of 11 in Class C) Highest position held during the race was 6th. 8th to 9th position was due to racing incident (see video, final corner, final lap) Briefing Snetterton…

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Decals are announced for 2021 series

Decals are announced for 2021 series

2021_decal_book.pdfDownload

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The Unicorn! Diff crown spacer.

The Unicorn! Diff crown spacer.

In my ‘Final Drives Matter‘ discussion I investigated the massive difference that a higher final drive ratio would make to the acceleration at the expense of Vmax down 140mph. In that I concluded that the original diff (an Automatic Torque Bias one) would have to be replaced and at almost £1000 with an almost identical one but with a different offset to cater for the different sized crown wheel.…

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Weigh in.

Weighed in at roughly what I expected. The standard car curb weight is 1430Kg but that includes a 75Kg driver and a full tank of fuel (45Kg) so only 20Kg was actually shaved off. Remember that we’ve added strengthening to the rear chassis, added a heavy roll cage and updated the suspension. Now for two separate dyno runs to certify bhp/ton for the different racing classes.

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Easily the best suspension setup guide

Easily the best suspension setup guide

This is easily the best suspension setup guide I’ve seen so far. Not just the calculators but the explanations why. Many thanks to Denis Grant at far north racing for sharing it with the world. http://farnorthracing.com/autocross_secrets11.html

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Roadsports Lap Records

Roadsports Lap Records— Read on www.750mc.co.uk/formulae/roadsports/LapRecords.htm

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The rear end restoration begins. I just wonder how anyone can let their brakes get into such a state! We’ll be replacing rotors, hubs, bearings, callipers, brake hoses, handbrake shoes, backing plates, rear camber adjusters, and of course adding the GAZ Gold coilover suspension. https://e46racer.com

#e46racer #e46 #bmwe46 #racecar #330ci

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Final Drives Matter Probably one of the most noticeable performance upgrades is changing the final drive ratio. Combined with a limited slip differential is the perfect combination.

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The ultimate e46 non-'M' Brembo brake upgrade. Twin piston front callipers from a 440i and 345mm e46 M3 CSL discs! This has to be the ultimate brake upgrade for a 330Ci.

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DIY Brake Cooling KIT

Heat buildup causes all sorts of issues in a race car. For the brakes it increases the wear of rotors and pads. It also causes brake fade which is a reduction in braking coefficient all as a result of overheating. So far all the brake cooling kits I’ve seen seem a little expensive running to a few hundred dollars. Especially those manufactured in the USA from the likes of Turner Motorsport &…

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Home - e46 racer

Documenting the build and racing of my 2002 BMW e46 330Ci Sport at club level in the UK. It’s a ‘warts and all’ record to look back upon in future years. Highs and lows, costs and mistakes. If it helps you take the plunge into your own project then even better. 🙂 I’m humbled at … Continue reading "Home"

Turning a 2002 BMW 330Ci Sport into a Club Racer. Documenting the build and the racing. Basically just having fun.

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Website

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