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Bf Mk2.5 Home Build - 309Rwkw On 15Psi


IT15ON

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Great write up mate, especially interesting to me as I too have an ex police BF MK 2.5, Mine is getting dropped off tonight for it's tune tomorrow, so I am waiting in sweet anticipation lol. I have Walbro in tank pump, dual 2.5" cat back X-Force, 100 cell cat, standard dump, flapper mod done, turbo smart 7 psi actuator. K & N filter with F6 snorkle, ebay intercooler with plazmaman stage 2 upgraded cooler pipework, valve springs done, Tuner will fit the 60lb injectors before the tune tomorrow. I am hoping for 300 rwkw.

I like your taste mate :P

As far as I can estimate you shouldn't have any trouble hitting 300rwkw with that setup, how much boost will you run? Are you going to post your results somewhere? Keen to see what you think after it's done.

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I like your taste mate :P

As far as I can estimate you shouldn't have any trouble hitting 300rwkw with that setup, how much boost will you run? Are you going to post your results somewhere? Keen to see what you think after it's done.

I pick it up after work this afternoon, not sure what boost the tuner will put in just told him to do what is safe. Will post results tomorrow. Of course it has started raining up here last night and continued all day with no end in sight, so I won't be able to give it a good workout for a little while.

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I like your taste mate :P

As far as I can estimate you shouldn't have any trouble hitting 300rwkw with that setup, how much boost will you run? Are you going to post your results somewhere? Keen to see what you think after it's done.

Got my baby back. 485 rwhp (361 rwkw) at 16 psi. Happy as larry with the numbers and the thing feels like a different animal driving but can't go past 1/4 throttle in the rain. But super stoked with the result

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Got my baby back. 485 rwhp (361 rwkw) at 16 psi. Happy as larry with the numbers and the thing feels like a different animal driving but can't go past 1/4 throttle in the rain. But super stoked with the result

Nice one mate, just replied in your thread.

Motivates me to get mine back on the dyno now the valvesprings are done....

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  • 2 weeks later...
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So I made the 2 hour trip (one way) to sydney drags last night, only to get to the gate and see "event cancelled" signs....

Trying to satisfy my itch for a run I am looking at running 1/8th in Gunnedah on Sunday. It's an airstrip/unprepared track so pretty low grip, I have run other cars here in the past. Has anyone ran their 6T at a similar style track or have an opinion on times to benchmark against? Will be a bit of fun, see how it compares to my old soarer from many years ago...

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Finally got a run at the drags! Made the trip to Gunnedah and had a good clear day.

We had a couple of minor tuning issues but it was a great chance to iron them out and practice launching the car. There isn't a heap of grip at the track but I managed to get my 60" down to run a couple of 1.9s. Still not perfect but a lot better than what I ran last outing in Sydney. There has been no change to the top end power since last time but some changes to the tune in midrange - road tuning only.

Unfortunately my fastest runs were bad launches. The times I got a good 60" I had issues down the other end of the track. I ran a couple of 8.1sec 8ths rolling over the finish line at 120km/h, which I think if I stayed on it all the way would have run a 7, but anyway there's always next time. All in all a great day and good to get some more practice in.

The highway was closed on the way home due to a crash, so we had to take a detour. What should have been around a 3.5 hour trip took us about 5 due to the extra traffic and distance. Crossing the great dividing range on dirt roads to get back home after racing just as quick as some cars which arrived at the track on a trailer was rewarding (I hate taking it on dirt - but had to happen and it's fine - precious...). Very happy with how the car went with it's current power, and being able to drive it back home and to work on Monday. Now I'm sure there's a 7 sec 8th mile in it if I just drive it right.....

Have a few pics but looks like I may have reached my quota for file size?! help?

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Photos from the drags -

Thanks k31th. I will use your advice next time round. Thought it was probably about time to make a donation to forum too, so got extra storage etc!

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  • less WHY; more WOT
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no worries mate. You also don't have to limit the size of your pictures as they are not "hosted" on the forum, so your "data limit" is ignored as it just "links" to wherever the image is hosted (in this case, imgur.com ).

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