F4r or f7p/r hybrid?

[The Beardo]

Ok so sat chatting to mate about clio sports and valvers and he asked which engine was better in terms of tuning? I said you can turbo,supercharge,itb both engines but I didn't know which was better overall. Any help?

 

[Russ_16v]

Overall, the f4r is better for limited budget, but it depends how far you wish to go, ultimately you can get very big power out of both if you spend enough

 

[Jaff.]

F7r sounds better everyday

 

[The Beardo]

Does a f7r fir easily into a mk2 shell?

 

[MicKPM]

They're both as bad as one another for "tuning" I'm afraid.

NA tuning is just expensive for not much gain.
FI tuning is better result for the money but more likely to shaft the gearbox.

F7 in a Mk2 would take some effort to make work depending on variant used especially when the F4 will just bolt in and has an exhaust that works.

 

[not normal dan]

Isn't the f7 a better produced engine in terms of tagged bearings and double valve springs?

Also this seems to have had good results, all be it very expensive

http://www.cliosport.net/forum/showthread.php?t=738117

 

[Ph1 Tom]

Isn't the f7 a better produced engine in terms of tagged bearings and double valve springs?

Also this seems to have had good results, all be it very expensive

http://www.cliosport.net/forum/showthread.php?t=738117

You'll get the same from a F4R with money chucked at it too.

 

[not normal dan]

You'll get the same from a F4R with money chucked at it too.

Not doubting that at all Ph1 Tom I was merely questioning the reason behind running the f7 in first place?

I was just highlighting the valve spring and bearing fact which is surely a advantage when comparing a standard f4 and f7?

 

[Ph1 Tom]

Up to a certain point it might be an advantage I'm sure.

I suppose if you've already got a tuned F7 that over 200bhp or so then it would make more financial sense to keep that than tune the F4 up.