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| chrisredden |
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Hey xr8ute do you mean all ISKY double valve springs or all brands of double valve springs when it comes to machining the head to make them fit gt40p heads?
_________________ go the CROWS |
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| xr8ute |
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I am running the Crane 2030 with 1.6:1 RR's (its designed for 1.6:1)...
Idle is OK with stock EECV but its a little lumpy (car shakes at idle). Stock dyno was 139.5rwkw, stock + cam was 161.5rwkw. Now with extractors and 3" zorst, its 170.5rwkw. chrisredden, i haven't come across any double valve spring that doesn't require head machining. |
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| gunit18 |
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So it went up by around 20odd rwkw. sounds good. wats it like on the road? i will prob be getting this cam in replacement for my 2020.
is urs an AU? |
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| xr8ute |
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Yep, AU1 XR8 auto.
Difference was fantastic. More power everywhere, but most importantly it was still making power up to the rev limiter. Standard cam was dead by 4500rpm... My PB at the track with this cam, springs, rockers and nothing else (i.e. sotck exhaust and airfilter/airbox) was 14.544 @ 95.02mph |
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| fairy v8 |
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i have heard that comp cams make a single valve spring thats good for .550 lift slots straight in without machining the head the rep i spoke to had some in his own truck and had revved to6000 with no probs mit be worth lookn into
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| chrisredden |
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Cheers fairyv8 , Ill find out about them and prob give em a go as dont really want to remove heads at moment. Looking at alloy heads in future, just not yet. $$$issues
_________________ go the CROWS |
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| fairy v8 |
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mit pay to do a bit of homework on them this guy was 1 of the agents and had them on his own car but you know what salesmen are like
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