TU5JP4S / TU5JP4 Difference?

1. York1366 Established Member Joined: Jan 2009 Louth/Lincolnshire Posts: 1540 Stage 4.5 Litchfield 725bhp R35 GTR

   #1 20th June 2015, 10:01

   whats the difference in the two engines I know the TU5JP4S has a bit more BHP but are all the bolt on's the same i.e injectors, exhaust manifold, coilpack etc
   
   thanks
   Matt
2. KamRacing Saxperience Addict Joined: Nov 2006 A farm shed in Aylesbury Posts: 14916 Corolla AE86 Peugeot 205 B18C (in bits)

   #2 20th June 2015, 10:43

   intake manifold design is different. Not sure but I think the cam profile is possibly too.

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3. welshpug Saxperience Forum Bum Joined: Jul 2010 South Wales Posts: 3078 ZX 16v, 205 GTI, 309 Goodwood, 405 MI16.

   #3 20th June 2015, 13:11

   different pistons and valve springs

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4. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

   #4 20th June 2015, 14:14

   JP4S has better cams, inlet manifold, valve springs and pistons as per above plus a different map on the ecu

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