should an m3 keep up??

michaelb · October 15, 2007, 03:58:50 PM

Hello All

I have JUST SLATED, KEPT UP AND PASSED A FAIRLY NEW m3, it took 3rd gear but he was a goner mateâ€¦( on private road )

I have HKS super dragger, dragon performance de cat mid pipe, Apexi â€" boost up to 0.94, probably running 350BHP, no air pump, greddy pulleys, Tein suspension set on VERY HARD

M3 needs all that power as it ways at least 500kG more than a stock RX7

By removing the cat and the air pump I have also lost around 50KG

Regards,
Michaelb

michaelb · October 15, 2007, 04:10:24 PM

Hello All

I have JUST SLATED (KEPT UP AND PASSED) A FAIRLY NEW m3, it took 3rd gear but he was a goner mateâ€¦( on private road )

I have HKS super dragger, dragon performance de cat mid pipe, Apexi â€" boost up to 0.94, probably running 350BHP, no air pump, greddy pulleys, Tein suspension set VERY HARD

M3 needs all that power as it ways at least 500kG more than a stock RX7

By removing the cat and the air pump I have also lost around 50KG

Regards,
Michaelb

12A · October 15, 2007, 04:19:55 PM

The m3 musnt been trying

thetera · October 15, 2007, 04:25:10 PM

50KG for air pump and cat? Sounds a bit optimistic to me

michaelb · October 15, 2007, 04:27:11 PM

Quote from: 12AThe m3 musnt been trying

defo was, any way here it is on paper..

M3
322BHP, 1750 KG

My RX
350BHP, 1175KG

We stopped and echanged comments and yes he was flat out

In farness, it took all the way to 3rd to passs him...from stand still,

Regards,
Michaelb

michaelb · October 15, 2007, 04:30:54 PM

Quote from: thetera50KG for air pump and cat? Sounds a bit optimistic to me

not sure excactly, stock cat is very heavy I have held it in my hands- so maybe Â£35.00 in total, it does make a diferance mate..ask any drag racer, every kilo does

Regards,
Michaelb

michaelb · October 15, 2007, 04:36:34 PM

M3 Convertabler specs off BMV site
Insurance Group: 20
Fuel: 23.7 mpg
CO2: 292 g/km
Engine Size: 3246 cc
Power : 343 bhp
0-60: 5.2 s

Compare that to a "slightly" modded RX7 like mine..

Regards,
Michaelb

fdlover · October 15, 2007, 05:05:21 PM

a good apexi ecu map and commander can really make that much difference?

Quote from: Paul1982With an Apexi PFC i think an FD would p*ss on its chips all the way then hehe

michaelb · October 15, 2007, 05:18:35 PM

â€¦get a proper modified map like ant on here put on my ECU with boost up by 7% - 10% Remove the nasty flow blocking cat and you will see the increase of power especially in the higher rev counter ( personal experience ).

The above mods will be most noticeable and pleasurable performance mods you will notice on stock twinsâ€¦

Regards,
Michaelb

fdlover · October 15, 2007, 05:32:55 PM

what are you stock? 280BHP? extra 70BHP just by increasing boost with a de-cat and apexi ecu and decent map?

didn\'t have to mess with injectors or fuel pumps, etc?

Quote from: michaelbI have HKS super dragger, dragon performance de cat mid pipe, Apexi â€" boost up to 0.94, probably running 350BHP, no air pump, greddy pulleys,

Mims · October 15, 2007, 05:36:47 PM

Apexi, mild porting and decent breather mods and you can kiss an m3 goodbye all day long and then throw some flames at him :flamed

EDIT: M3\'s are quick cars though, no matter what people say

michaelb · October 15, 2007, 05:41:21 PM

Quote from: fdloverwhat are you stock? 280BHP? extra 70BHP just by increasing boost with a de-cat and apexi ecu and decent map?

didn\'t have to mess with injectors or fuel pumps, etc?

OK,

My car is a 96 RB Bathurst ( jap import ) jap RXs have a touch more BHP, I guess the figure above is more or less correct. My injectors are right up to 94% duty thou so that is all I can get...similar car at powergains was mapped with the above mods and got just under 350BHP, HKS racing suction kit ( around Â£400 new ) should also give a turbo (and my car ) car around 10 or so more BHP

Regartds,
Michaelb

michaelb · October 15, 2007, 05:47:04 PM

Quote from: MimsApexi, mild porting and decent breather mods and you can kiss an m3 goodbye all day long and then throw some flames at him :flamed

EDIT: M3\'s are quick cars though, no matter what people say

spot on mate, I am the living proof of that...

Regards,
Michaelb

nick english · October 15, 2007, 05:51:29 PM

i cant wait 4 my apexi to turn up and get it mapped asap,should be soooooo much more fun lol

nick english · October 15, 2007, 05:53:05 PM

Quote from: Paul1982I bought it from these as it was the cheapest i\'ve seen by far and it was with me in 2 days and it is good quality aswel!!

http://cgi.ebay.co.uk/92-01-MAZDA-RX7-FD3S-TURBO-DECAT-DE-CAT-EXHAUST-PIPE_W0QQitemZ220158892320QQihZ012QQcategoryZ38786QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

didnt realise they were so cheap bargain.and i have just been paid today hehe