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valver/williams rods are technically the same between engines, but there are some diffs between the years as to the 'beefyness' of the rods.
THey are about £282 + vat for the set, cant buy single.
I'd be quite inclined to fit 172 rods as they are the same centre to centre and bearing size...
Why do i rate leda better?
Quite simple, their damping characteristics are better.
Sure they might not be all ally or 'monotube'...............but as we've discovered, thats not something you want for a car that will be experiencing a multitude of surface conditions.
And before either...
this is going round in circles.
How can we tell you the change in fueling from an exhaust that you dont have and that nobody has data logged?
Only way is for you to check, and the change from and exhaust, especially those avaiable is very very small.
Hundreds of people are running...
Yup, we had alot of ours in HK (very hot climate) suffer with vapourisation in the fuel lines, and since they are not return, all the vapour needs to be bled out.
will what damage what?
LIke i said, the only way is to stick your own wideband on, you could of had it on by now since this thread started and you'd have your answer.
nope, The breather area on the F4R is teeny weeny and imo undersized, so it wont blow off, it has a good baffle in the cam cover aswell.
I'd rather vent it under the car tbh.
Changes are minute, and yes we all know about the effects of modifications on AFR's.
However, some are so non-influential that testing isnt required, especially with the majority of half arsed exhasuts on the market. If you stuck something remarkable on and it was of good design, then maybe...
I'm sure plenty of people will be interested, just make sure the adaptor to the throttle body incorporates the original Brass radiused bit you find on the inside of the airbox.