MexicanBatman G666E Turbo!!! Member 1,008 Member For: 16y 8m 10d Gender: Male Posted 19/09/11 07:57 AM Posted 19/09/11 07:57 AM So does anyone know what the actual differences are between FG XR FG F6 and BFII engines? Other than the obvious and compression ratio differences do the FG XR's run weaker rods/pistons etc... Than the others, I've googled and have gotten different answers, I just want to know how far the factory FG XR can be pushed before it's broken as an averageThanks
bluprinturbo Legacy Donating Member 605 Member For: 18y 4m 15d Gender: Male Location: brisbane Posted 21/09/11 03:33 AM Posted 21/09/11 03:33 AM rods are the same in all.forged pistons in f6. better head in fg xr/f6. compression ratio 8.8:1. 350rwkws would be a sensible power level.
Dillz Three pedals are better then two.. Legacy Donating Member 15,637 Member For: 19y 4m Gender: Male Location: Melbourne Posted 21/09/11 04:20 AM Posted 21/09/11 04:20 AM Bam! Case closed.
MexicanBatman G666E Turbo!!! Member 1,008 Member For: 16y 8m 10d Gender: Male Posted 21/09/11 05:59 AM Author Posted 21/09/11 05:59 AM Thanks!
Snapper Legacy Donating Member 320 Member For: 15y 5m 7d Gender: Male Posted 02/10/11 09:59 AM Posted 02/10/11 09:59 AM What about a fg f6 limits
bluprinturbo Legacy Donating Member 605 Member For: 18y 4m 15d Gender: Male Location: brisbane Posted 02/10/11 01:25 PM Posted 02/10/11 01:25 PM even though they have a better piston, it still comes down to the rods. 350rwkws is as high as I would go. the rest of the driveline will cope with that aswell, depending on what you do with your car. guys are getting longevity with 400+ but its still risky.
SuckSqueezeBangBlow ʎǝʞuoɯ ɹoıuǝs Legacy Donating Member 1,808 Member For: 17y 9m 10d Gender: Male Posted 02/10/11 09:48 PM Posted 02/10/11 09:48 PM is it just the FG F6 which has the forged pistons?
bluprinturbo Legacy Donating Member 605 Member For: 18y 4m 15d Gender: Male Location: brisbane Posted 03/10/11 02:44 AM Posted 03/10/11 02:44 AM that's right mate. they have a mahle forged piston.
Dillz Three pedals are better then two.. Legacy Donating Member 15,637 Member For: 19y 4m Gender: Male Location: Melbourne Posted 03/10/11 02:55 AM Posted 03/10/11 02:55 AM Is this 100% confirmed? Why would they go to all the effort when they can just throw a blue rocker cover on?
g6t Legacy Donating Member 328 Member For: 16y 5m 10d Gender: Male Location: sunshine state Posted 03/10/11 04:29 AM Posted 03/10/11 04:29 AM (edited) I have read elsewhere fg xr fg f6 pistons have same part number, I have not confirmed this, rdp fg xr6t got 643.5 rwhp with head studs, valve springs, billit oil pump gears, stock other wise. Edited 03/10/11 04:29 AM by g6t
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