Dirty32 Legendary member!! Donating Members 1,739 Member For: 17y 9m 23d Gender: Male Location: Dianella, West Oz Posted 02/02/09 12:26 AM Share Posted 02/02/09 12:26 AM They are essentially the same apart from a couple of very minor cosmetic changes... And obviously the age & poss km's of the vehicle.As mentioned previously though, if you are able to purchase a BF with a build date after 06/2006, you will have a stronger bottom end with F6 Rods and Valve Springs...If you plan on modding, this is obviously a much better platform to start from as on the BA and early BF engines, the Rods can only take so much before the engine goes and the valve springs need changing when upping the boost. Link to comment Share on other sites More sharing options...
Marv Member 16 Member For: 15y 9m 26d Location: Central Coast - NSW Posted 02/02/09 12:55 AM Share Posted 02/02/09 12:55 AM So, just to make 100% clear - will a BF1 or pre-06 BF2 handle 250kW ATW safely? The mods I'm looking to do are intake, air filter, free-flowing cat/remove centre muffler, and a tune. That's it. I remember reading ages ago that the rods and valve springs in early BAs didn't like anything more than about 240 at the wheels (dunno what boost that was, though)? Link to comment Share on other sites More sharing options...
our06t Mmmmm......BOOST Member 3,135 Member For: 17y 6m 17d Gender: Male Location: central coast Posted 02/02/09 01:39 AM Share Posted 02/02/09 01:39 AM ya valve springs can be aa lucky dip I'm still on stockies running 300rwkw but need them done some dont like much over stock before they play upyour rods should be fine up to 300 rw but that's if it's tuned properly ,it's all about the tune not so much power levelsyou won't go much past 250rwkw with the stock injecters , Link to comment Share on other sites More sharing options...
Marv Member 16 Member For: 15y 9m 26d Location: Central Coast - NSW Posted 02/02/09 01:44 AM Share Posted 02/02/09 01:44 AM (edited) Good to hear. I'll be limited with my mods because of a mortgage and I'd like to do some decent suspension mods. I'd prefer to sort the handling and braking first, before adding power.*EDIT* do people find a sign of an abused transmission is that it seems to shunt a lot of shifts (both up-shifts and down-shifts)? I drove a 4AT BA1 with 80k on it and it seemed to want to shunt/surge even on gentle up-changes. I wasn't sure if that was just because it needed new gearbox fluid, or if it was due to abuse or maybe even a flogged out diff bush... the salesman was telling me how they all do that 'cause they're a sports 'box... ah-huh. Yeah. Righto. Edited 02/02/09 01:47 AM by Marv Link to comment Share on other sites More sharing options...
our06t Mmmmm......BOOST Member 3,135 Member For: 17y 6m 17d Gender: Male Location: central coast Posted 02/02/09 04:19 AM Share Posted 02/02/09 04:19 AM should be nice and smooth on a stock box , sounds like someone might have had a play with that one drive as many as you can get a feel for them Link to comment Share on other sites More sharing options...
roadster Member 97 Member For: 15y 9m 12d Gender: Male Location: Werribee Posted 02/02/09 05:26 AM Share Posted 02/02/09 05:26 AM Thanks dirty32 good info Link to comment Share on other sites More sharing options...
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