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Oh dear.
Splitfires and OEM are the best bet for coils the others have a chequered history.
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I need to declare that my interest is more based on streetable applications so absolute balls to the wall output isn't what I am looking for. I have driven GTX variants and find them relatively docile down low so this hardly makes a GT version a dinosaur. The transient performance feels stronger with the older compressor to me. Given the extra cost of the GTX version I would keep the extra coin in my pocket.
Twin scrolling isn't used to make bigger top end power so I think that it is self evident that the divider will increase drag compared to an identical area open scroll. I am still interested in data from either back to back testing with no other changes or decent flow tests. It will be good to look at some link if you have time.
Mick_o made 335rwkw (unigroup dyno) with a 0.82 on E85 so somewhere around there is a fair guess.
A bit less power with a 0.63 but would liven up the bottom end a fair bit.
Two paths for exhaust gases through the twin scroll turbine housing requires two gates if you want to maintain completely separate paths to the exhaust of the front three cylinders from the rear three cylinders.
^^ I agree.
For the street the NPC organic holds plenty of power and is a pleasure to use. NPC might play it safe and tell you to go the carbotic clutch but unless you are a serial wife beater the organic clutch will be nicer to use day to day and will stand up to spirited use.
Have you looked in the drivetrain section? Since that is the correct section there is lots of info on clutches there.
You won't go far wrong with anything from NPC.
Just when you thought that the tyres were the worst thing in F1 along comes a safety car period that just will not end despite Massa's car being cleared ages ago.
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It's almost the same power as mine made on Jez's dyno with 98ron so it must be there or thereabouts. Comparing it to a different dyno in a different state might be bit hit and miss.
Tyre wear will be less of an issue, they just need to get in front and control the race from there.
If Merc are going to have a strong race this should be the one that suits their current crappy tyre wear issues the best.