THIS 703BHP *MONSTER* ASTRA VXR HITS 195MPH!! Acceleration & Sound Street Races by turboandstance - February 1, 2020February 2, 2020 What a beast! It began as a track project and ended like this! Build engine, build head, standalone computer and a big turbocharger! Producing 703HP and hitting 195mph! Watch the video below to learn more about it and leave a comment below or share this one with your friends. Follow us also on Facebook,Pinterest or Instagram. Thunder Road 2017 winner – 178mph Race Wars 2018 winner – 185mph Race Wars 2019 winner – 195mph Spec is as follows: Engine block – Built by Jonathan Heard/SpecJ Motorsport – Z20LEL block – this particular block was the thickest casting out of the ones Jonny had ultrasonically measured – Wedged, bored to 86.5mm and decked – BMW oil jets – Billet girdle with ARP fasteners – ARP main stud kit – Custom head studs (L19 strength) – Arrow Precision conrods with ARP CA625+ rod bolts – Omega pistons 8.5:1 CR – Whole rotating assembly balanced (crank pulley, timing belt pulley, crank, flywheel, clutch cover) – TTV billet flywheel – Sachs clutch cover and Helix 4 paddle plate Cylinder Head – Roper Developments head – Port bored inlet and exhaust ports – Hand blended valve throat area – Colsibro alloy valve guides – +1.0mm one piece forged exhaust valves made from Nimonic 80 – +1.0mm one piece forged stainless inlet valves – Solid lifters with deep locating shims – Double valve springs – Steel retainers – Custom grind mechanical profile Piper camshafts Turbo kit – Borg Warner EFR 9180 turbo fitted with turbo speed sensor – Twin scroll 1.05AR exhaust housing – Nortech big runner twinscroll manifold – Nortech 3″ downpipe – 2x Tial MV-SA 38mm wastegates with screamer pipes – 4” intake pipe or TurboGuard Fuel System – Aeromotive stealth 340lph in tank pump – Integrated engineering surge tank – 2x Bosch 044 fuel pumps. The second pump activates when it sees 5psi boost via a Hobbs switch – All fuel lines replaced with AN6 BMRS Pro Gold hose and fittings – Injector Dynamics 1700cc injectors – TurboSmart FPR800 – Torques E85 compatible fuel filter Other – Piper cambelt with solid tensioner – Custom inlet manifold with billet fuel rail – Porsche 3” throttle body with Vibrant vanjen clamp – Nortech 3” boost pipes – IGN-1a ignition coils with MSD leads – RnD ‘race’ Intercooler – designed by RnD with an ITEC core and welded together by Forge – Vibratechnics engine mounts all round – Piper 3” cat back exhaust – Pro Alloy radiator with twin revotec 11” fans – 13 row front mounted oil cooler with AN10 lines – TigWorx rear water bar (standard oil cooler delete) – TigWorx oil catch can – BTCC alternator belt tensioner ECU – Link G4+ Fury ECU – Nortech adaptor loom – everything works in the car as it should, no dash lights etc – Launch control, traction control, Launch RPM and Boost all activated/adjusted via a custom switch panel – Clutch pressure sensor for flat shift and rev matched downshifts – Two 3 port boost solenoids to control each side of the wastegates separatley – this allows a wide range of boost control from as little as 0.5 bar all the way up to 2.6bar – Ethanol content sensor with Flex fuel all set up – pour Ethanol in and the ECU sorts the rest out – Oil and fuel pressure safety strategies setup as well as many other safety strategies – Switchable anti lag on the sport button – Boost by gear setup – Gearbox – M32 with big bearing/end case upgrade carried out by WG Motorworks – Gearset and all input/output shafts cryogenically treated by Frozen Solid – Gripper plated LSD Exterior – Full bare shell respray in Lamborghini Grigio Telesto pearl – Custom new style Vauxhall front grill – DAP bonnet vents – Aerocatches – DAP front splitter Interior – Recaro Pole Position seats – Willans 4 point harnesses – Flocked dashboard – Flocked centre tunnel – Alcantara/leather steering wheel – Custom full bolt in cage by GD Cages – All unnecessary brackets removed and smoothed – Innovate AFR gauge – Stack oil temp/oil pressure/boost gauges Wheels/Brakes/Suspension – Revolution Millenium 18×8 – Toyo R888R tyres 235/40/18 – Alcon 6 pot front calipers – Pagid RS29 pads – KW V3 coilovers – DAP front anti roll bar – RnD solid subframe bushes – SuperPro wishbone bushes Leave a comment