UK Spec B with Supercharger

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Re: UK Spec B with Supercharger

Postby bigBADbenny » Wed Jul 11, 2018 8:29 am

Niiice, which year box and what controller is planned?
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Re: UK Spec B with Supercharger

Postby Spec BSC » Thu Jul 12, 2018 2:37 am

2007-2014 Box Haven't figured out the controller yet any suggestions?
The first engine died after eating to much CAT
The second engine died of a broken piston
The third engine is in the car
The fourth engine is in the machine shop

So far: Rotrex Supercharger (16 psi) with WTA intercooler,DW300c fuel pump,565cc Pink injectors
Producing 431bhp and 350 lb/ft torque on the Rotrex SC not finished yet
Raptor headers, 75mm Milltek exhaust with Quad tips,
Custom made 4032 forged pistons by JE Pistons, forged conrods, Exedy Clutch
K sport 8 pot front, 4 pot rears all on 330mm discs, Hel brake lines
Meister R coil overs, Whiteline 21mm rear ARB, Perrin end links and strengthening brackets
Complete Whiteline kit for the front suspension including steering rack
One off Carbon effect Front grill, Carbon lip spoiler, Exterior De-chromed, LED interior light conversion.
Recaro Leather front seats with all functionality.
Waist spoiler, Smoked rear lights,, LED sill plates, LED sidelights
Prodrive PFF7's 18x8, in Bronze shod with 235/40/18 Goodyears.
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Spec BSC
 
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Location: West Sussex, UK
Car: Spec B supercharged, forged engine
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Profile URL: viewtopic.php?t=25835

Re: UK Spec B with Supercharger

Postby bigBADbenny » Thu Jul 12, 2018 11:18 am

They’re great with no controller ime, at least with stockish power lol, a la Tarmac Gear.
I bought an LDPerformance DCCD controller mainly due to budget constraints lol.

Otherwise MAPDCCD is said to be the one to get, and has extensive inputs, programming and map options and it uses a G sensor as part of the control strategy.

The LDPerformance controller is Gymkhana biased and as such it uses iirc braking, hand braking and boost as the major inputs. The site states it can be setup to allow the car to get out of shape before a corner then regain grip at corner exit under boost :P

Once installed I’d probably still drive the car in open mode, engage the controller map for going apeshit, and lock the diff for going nuts on snow, maybe gravel and absolutely on the dyno, none of which I’m currently doing.

Discussion: https://www.scoobynet.com/drivetrain-11 ... oller.html
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Re: UK Spec B with Supercharger

Postby Spec BSC » Sat Jul 14, 2018 2:15 am

Mappiong completed at long last.





Well, almost completed we just ran into the next limiting factor. So what we have is 440bhp and 332 lb/ft at about 7200rpm. Would you believe the engine can eat air faster than the SC can supply it.

However we started running into the charge cooler not being able to cope with cooling that volume of air and IAT went up to arouind 73c, so due to the higher temps Bob has to take out ignition to prevent the mother of all explosions. Bob did a calc that if I could keep the air temp below 40c he would be able to add more timing and fuel which theoretically would give another 40bhp.

As is the way with tunning when you make those mods other things will change, so the injectors are nearly maxed out on the current tune, so if I can make any changes to the IAT then I would need some dark blue injectors which are 545 as opposed to the STI pinks 503 which are in the car at present. Also the maf scaling only has a 0.15v range left so again right on the limit.

Am I happy, YES, I can finally use the full performance of the car for the first time. Look forward to driving and havving some fun.

Bought a brand new DCCD tranmission from Subaru as well today with exactly the same final drive ratio as my diff so no need to swap diffs and drive shafts
The first engine died after eating to much CAT
The second engine died of a broken piston
The third engine is in the car
The fourth engine is in the machine shop

So far: Rotrex Supercharger (16 psi) with WTA intercooler,DW300c fuel pump,565cc Pink injectors
Producing 431bhp and 350 lb/ft torque on the Rotrex SC not finished yet
Raptor headers, 75mm Milltek exhaust with Quad tips,
Custom made 4032 forged pistons by JE Pistons, forged conrods, Exedy Clutch
K sport 8 pot front, 4 pot rears all on 330mm discs, Hel brake lines
Meister R coil overs, Whiteline 21mm rear ARB, Perrin end links and strengthening brackets
Complete Whiteline kit for the front suspension including steering rack
One off Carbon effect Front grill, Carbon lip spoiler, Exterior De-chromed, LED interior light conversion.
Recaro Leather front seats with all functionality.
Waist spoiler, Smoked rear lights,, LED sill plates, LED sidelights
Prodrive PFF7's 18x8, in Bronze shod with 235/40/18 Goodyears.
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Spec BSC
 
Posts: 286
Joined: Sun Apr 06, 2014 8:53 am
Location: West Sussex, UK
Car: Spec B supercharged, forged engine
Real name: Richard
Profile URL: viewtopic.php?t=25835

Re: UK Spec B with Supercharger

Postby applegeek897 » Mon Jul 16, 2018 11:31 am

Damn that DCCD would've cost a pretty penny. Worth more then most 3RB's are in Australia.
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