F7P or F7R cams, in F7R lump mit ITB

[CyccX]

Hello,
i need advice, with cams i should choose.
I'm runing F7R megane standard lump with F7R megane ported head. Intake is custom ITB 42mm. I wounder with cams put in the head (F7P,or F7R megane) for better gain in the middle range and top end. I dont rev my engine too high usually 6500rpm.

Regards

[tutuur]

I beleive f7r williams cams have more lift and duration so they would be my choice..

[CyccX]

i beleive too.

But i have only F7P cams, and F7R megane cams, with one is better for F7R megane ITB'd engine with reving quite low approx 6500rpm.

I notice that F7R cams have little lower lift, but duration is much greater, it is true ??

[tutuur]

How much lift do the Megane ones have?
I measured willy cam and they're 9,9in and 9,2ex iirc

F7p are 9,2in and 8,...ex

[Wobba]

I would just get some Williams F7R cams if you can't get uprated Piper or Catcams etc.

The Williams cams are easy to get hold of.

[CyccX]

The Williams cams are easy to get hold of.

not in my country..

thanks for reply

[Wobba]

Just get some of us in the UK to send you some.

[sideways danny]

ITB's will be disappointing without at least mildly upgraded cams. Standard seem a real restriction

[Wobba]

Yea, I'd agree. The noise is still fun though but put Piper 285's, Catcam 208 or even 213's in and get timing pulleys as well. Not cheap though.