fpv229 Member 15 Member For: 11y 8m 9d Gender: Male Posted 21/09/13 08:46 AM Share Posted 21/09/13 08:46 AM blew a piston in my 6th cylinder, buying a new bottom end motor, and getting the top end rebuilt.wanting more power out of the car, so whilst its all apart just need few ideas of performance mods I can do.e.g cams, pistons, etc Link to comment Share on other sites More sharing options...
BRK Member 361 Member For: 13y 23d Gender: Male Location: Perth Posted 22/09/13 12:54 AM Share Posted 22/09/13 12:54 AM Well, it is not top end but pistons and rods if you want to go all out power wise - plenty of choices and IMO the dollars are reasonable for what you get.The heads on these things work well so other than a basic clean up / inspect / service a big dollar port job is not essential - have a look at the 400RWKW posts for guidance. However, there are success stories with headwork. Very much a personal choice and requires research - you do need to find someone who knows this sort of work.Quality valve springs for sure. Camshaft changes - well, there are reports of good results and not so good results. If it is a BA, it does seem that the factory FG cams are a mild improvement and provide no issue for tuners. After that, it depends on the type of performance you want and how much you want to pay. It is also something you need to discuss with the tuner. Link to comment Share on other sites More sharing options...
KeddyXR6T Donating Members 320 Member For: 15y 9m 29d Gender: Male Location: Melbourne Posted 22/09/13 01:09 AM Share Posted 22/09/13 01:09 AM (edited) Spool imports rebuild kit with CP pistons I've used very happy just waiting until I get my brembo's on and pick a tuner and ill post some results plenty of people have used them on here Edited 22/09/13 01:09 AM by KeddyXR6T Link to comment Share on other sites More sharing options...
fpv229 Member 15 Member For: 11y 8m 9d Gender: Male Posted 22/09/13 03:52 AM Author Share Posted 22/09/13 03:52 AM well I am ordering a new bottom end on monday so there goes the idea of forged pistons, etc.just more wanting to know what sort of upgrade are worth in the top end and if its even worth touching it?I.e port and polishing the heads, valves, valve springs, cams?? if anyone has any info would be great Link to comment Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 2m 16d Posted 22/09/13 07:04 AM Share Posted 22/09/13 07:04 AM Best off saving your money and spending it on bolt on upgradesAs mentioned valve springs and possibly fg cams are all that need to be done Link to comment Share on other sites More sharing options...
freeze_dk I am dissatisfied with my current employment situation Donating Members 8,610 Member For: 18y 3m 7d Gender: Male Posted 22/09/13 07:05 AM Share Posted 22/09/13 07:05 AM Polishing, lots of polishing 1 Link to comment Share on other sites More sharing options...
fpv229 Member 15 Member For: 11y 8m 9d Gender: Male Posted 22/09/13 07:18 AM Author Share Posted 22/09/13 07:18 AM well I have pretty much done all bolt on upgrades apart from turbo upgrade Link to comment Share on other sites More sharing options...
KeddyXR6T Donating Members 320 Member For: 15y 9m 29d Gender: Male Location: Melbourne Posted 22/09/13 02:46 PM Share Posted 22/09/13 02:46 PM (edited) Yeah I had seen the fpv shorts going for 2700 brand new get a good set of springs and retainers and the bf cams are better seems to be the yard stick for b series heads its what I've used in my ba block but that being said I've heard KPM cams in a XR6T and it was fierce with a 3inch zorst Edited 22/09/13 02:55 PM by KeddyXR6T Link to comment Share on other sites More sharing options...
turbotrana Member 2,586 Member For: 21y 9m 5d Gender: Male Posted 22/09/13 02:48 PM Share Posted 22/09/13 02:48 PM I'd definately do the oil pump while the engine is out Link to comment Share on other sites More sharing options...
HSV ETR Member 131 Member For: 12y 5m 13d Gender: Male Location: Brisbane Posted 23/09/13 02:38 AM Share Posted 23/09/13 02:38 AM I picked up 40rwkw just from cams and springs and the sound is porn Link to comment Share on other sites More sharing options...
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