2.1 stroker engine???? Where to go
20 May 2012, 10:34 PM
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You have the six speed so is okay. Looks like you need a bit more info so here goes. With a 2.1 stroker build you are replacing the crankshaft, bearings, connecting rods and pistons. The block and heads are your originals unless they are badly damaged.
http://www.scoobyclinic.com/products...components.htm This link is to a page on Scoobyclinic at the bottom it shows a picture of a stroker kit. The price shown is for the kit only.
http://www.scoobyclinic.com/products...components.htm This link is to a page on Scoobyclinic at the bottom it shows a picture of a stroker kit. The price shown is for the kit only.
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20 May 2012, 10:49 PM
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Personally, if it is a toy then i would bang a new turbo on and have a remap and replace the engine "if" it pops. I'm sure someone will be along who knows more than me but i thought the STi engines were fairly safe around 400bhp????
20 May 2012, 11:21 PM
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My bug STi is running 440 brake on standard internals. Have replaced the turbo, exhaust, fitted a FMIC, 740cc injectors and GEMS ecu along with a uprated fuel pump. With a 2.1 I hope to be over the 500 mark.
20 May 2012, 11:34 PM
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You dont need 4-450bhp as a track toy, tbh look at the suspension/handling setup if you just want to track this car, power isnt top of the list, chasing figures is the worst thing you can ever do on one of these cars.
You will be ok with a remap and a panel filter, that should put you around 350bhp, then do the suspension, that will make a much better "sorted" track orientated car than a 450bhp 2.1 without the suspension setup (and you will find the 350bhp more usable
)
Tony
You will be ok with a remap and a panel filter, that should put you around 350bhp, then do the suspension, that will make a much better "sorted" track orientated car than a 450bhp 2.1 without the suspension setup (and you will find the 350bhp more usable
)Tony
20 May 2012, 11:36 PM
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my 05 sti is on standard internals with mdx321t injectors air intake ect and still got top mount find out the final figures tomorrow when mapping is finished and expecting a safe 420+bhp i have been nipping about in it on 1st map running about 390bhp and feels great
running super rom mafless see link below
teamcarr.net
running super rom mafless see link below
teamcarr.net
21 May 2012, 03:41 AM
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I know the SC46 spools good around 400/450bhp not to sure what kind of spool you would get around 350bhp. You might be disappointed with inner city runs with full spool at around 4000rpm give and take a little. If you’re looking around 350bhp i would probably go with another turbo unless some of the lads here are running something slimier and can advise you on what kind of boost they running.
Even the 840cc injectors they are capable of running over 650 horses depending on your fuel pressure.
In my personal opinion anything over 400bhp i would forge the internals.
I would get the right mods according to what kind of goal you’re looking to achieve on the bhp. And i would defiantly look in to other things like transmition, suspensions, and brakes like most lads on has suggested for track day.
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Even the 840cc injectors they are capable of running over 650 horses depending on your fuel pressure.
In my personal opinion anything over 400bhp i would forge the internals.
I would get the right mods according to what kind of goal you’re looking to achieve on the bhp. And i would defiantly look in to other things like transmition, suspensions, and brakes like most lads on has suggested for track day.
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21 May 2012, 08:27 PM
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When it comes to replacing the injectors it is a good idea to fit a parallel fuel rail setup so the injectors get a more even fuel distribution. As the OE are connected in series so there is a un-even fuel distribution.
21 May 2012, 08:42 PM
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The 2LTR will run 400+bhp on standard internals no problem I have 05sti its been make 448bhp 408 torque for the last 15k miles I run owen development turbo 650 injecters greedy front mount equal headers 100cel CAT perrin big maf pipe
But to run this power you will need to upgrade suspension and brakes to get the most from it I run Exe-tc coil over Perrin anti lift and white line bars PF disc and pads on HEL lines
The cars drives better than at standard STI off boost with plenty of off boost grunt All work done on mine by Richard Bulmer at Tracktive Solutions I would recommend Tracktive to anyone there attention to detail is second to none
But to run this power you will need to upgrade suspension and brakes to get the most from it I run Exe-tc coil over Perrin anti lift and white line bars PF disc and pads on HEL lines
The cars drives better than at standard STI off boost with plenty of off boost grunt All work done on mine by Richard Bulmer at Tracktive Solutions I would recommend Tracktive to anyone there attention to detail is second to none
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