15-07-2012, 10:52 PM
304 is fine tbh...
With regards to manifolds, if I were you, keep it equal length, it'll sound odd if it's not, plus I don't overly know what it'll do to the engines scavenging, admittedly, it's Turbocharged, so you're going to get less issues with having to adjust cylinders for VE differences throughout the rev range if you make sure that everything is equal. You're probably going to need a bit of trimming per pot anyway... 16v 306s are a total twat to do an equal length manifold on, but persevere... Take cues from the DP Engineering manifold, it's equal length.
With regards to manifolds, if I were you, keep it equal length, it'll sound odd if it's not, plus I don't overly know what it'll do to the engines scavenging, admittedly, it's Turbocharged, so you're going to get less issues with having to adjust cylinders for VE differences throughout the rev range if you make sure that everything is equal. You're probably going to need a bit of trimming per pot anyway... 16v 306s are a total twat to do an equal length manifold on, but persevere... Take cues from the DP Engineering manifold, it's equal length.
