just a quick question,
The xr8 sprint had a 43% larger air flow meter, larger throttle body and free flow inlet manifold. it also had GT40 modified heads with bigger exhaust and inlet valves, a performance camshaft etc... Because the sprint had all the mods on it it would obviously wouldnt cost too much more to get it to over 200kw, say 230-250fwkw right?. what would be needed to produce this and how much. i read alot of the guys with modified 5L's have unichip... what kinda change does this doto the output? any other suggestions would be great!(i.e. cams and exhaust) thanx evry1, cheers.
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To get much more power you'll need to rev it harder..to achieve the airflow required.
The Sprint/ Cobra engine had a small std cam in them, the 1:7 rockers made up for it. Infact the Cobra cam was adjusted to allow more torque at lower rpm..Good Crane cam,springs, port std heads Gt40, better inlet, bigger t/b maybe?? Exhaust as always..Like modding a 200 kw mill to 220...
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Yes I tend to agree. The airflow restriction on these things let alone a standard e-series 5ltr are shocking.
Improve the airflow i.e. get the air in as quicly as possible and get it out just as quick.
Its all about air speed. Thats why some here have opted to go the supercharger route. Way better bang for ya buck!
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