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View Full Version : Risto Virtala Finland 7,73 s, @ 286,70 fastest 4cyl BMW


erkki82
12-11-2009, 10:58 PM
Risto Virtala Finland 7,73 s, @ 286,70
BMW M3 Pro Compact specs

2008

* 0-402 m 7,84 s, @ 276,40 km/h
* 0-100 km/h 1,2 s
* 0-223km/h 4,998 s
* 840 h Used. Dynamite power!!!
2009

* 0-402 m 7,73 s, @ 286,70 km/h
* 0-100 km/h 1,2 s
* 0-234km/h 4,97 s
* 950 hp used. 1150 kg/286,40 kmh Dynamite
power!!!

Chassy

* BMW M 3 Coupe -99
* Frame (Neverlift) 2,5 E Pro Stock CRMO
* Roof/Pilars stell other parts Kevlar.
* Race weight (1030 kg)
* Srange front strut, adjustable front and rear

shock absorbers
* Pinton steering .
* Billet CRMO rear housing Moser alucase, Strange

spool, 35 spline drive axles, alu spool.
* Richmonth 4,86 pro gear .
* Weld Racing Alumastar rims.
* Strange light weight brakes.
* Stroud brake shute.


Engine

* Self made turbo engine EVO 5.
* Block BMW M 3 2,3l .
* Cylinder Head BMW M3 2,3/2,5 16 V 4 cyl. 86-90
* Intake valves Ferrea 38,50 mm
* Exhaust valves Ferrea 33,00 mm
* Cylinder Head theory flow over 320 hp
13,0 mm lift.
*Head work HMJ Motors Hannu Makkonen His phone

number +358 0400 155561

Camshafts

* Self designed, Lift around 13 mm and over 300

degrees.

Crank

* BMW M3 2,5 l Sport EVO 3 stroke 87 mm.


Rods

* Auto-Verdi forged steel rods length 141-144 mm

weight around 530 g.

Pistons

* Wiseco Custom made 90 mm bore.
* Engine size only 2,2 l

Fuel system

* Autronig SM 4 injection , Direct ignition.

Saku Ritola R- Motorsport
* Data Logger 4 x EGT, g-force, Exhaust

Back-pressure.
* Injectors Moran Billet 3100 cc.
* 2 x Mallory FI 160 Fuel Pump.
* VBO 2 Widedand.
* Garrett turbo RPM-meter.

Turbos

* Holset HX off course self made.

Exhaust manifold

*
Exhaust manifold, material stainless stell

electrically polished, 51 mm outside ja 47 mm inside

hole.

Waste-gate

* Hks 50 mm Racegate.

Transmission

* Liberty 5-gears clutchless extreme transmission

button selector air pressure operated.
* CRMO Strange 1350 series Pro drive shaft.

Clutch housing

* Browell Billett aluminium SFI clutch housing.


Clutch

* RAM 8" Billett 2 disk slip clutch.
* Billett BMW flywheel RAM.



Rear axle

* Pro 4 link CRMO pipes, uniballjoints.
* Richmonth Pro Gear 4.86 gearing.
* Moser alu case.
* Strange 35 spline axles.
* Strange alu spool.
* Moser 1350 yoke.
* Strange double adjustable shock absorbers.
Tyres

* Rear Goodyear 32x14,5x15 Drag slicks.
* Front Goodyear front runner.

Other

* Race weight whit driver 1050 kg.

http://www.virtalaracing.com/


Pics by by Mika "mopoilija" Frilander http://www.kuvia.1g.fi/kuvat/Tapahtumat+2009/FHRA/



http://www.youtube.com/watch?v=bJGSxXIRp04&feature=player_embedded 0.41->

http://www.youtube.com/watch?v=QeV6UpuVrFc&feature=player_embedded


http://www.youtube.com/user/OutlawDr.../2/NH2RtLM0Kts
@4.30->
http://www.youtube.com/user/OutlawDr.../1/ibh2366I-z4 7.30->

http://www.youtube.com/watch?v=ku__gRQ1qww&feature=player_embedded