460bhp ATW, 23psi, on optimax only
13 March 2005, 08:16 PM
#1
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460bhp ATW, 23psi, on optimax only
Need to say this.
Took David Wallis' car down to scooby clinic today for a private tuning session (safer than on the road)
after several runs the power crept from apporx 300 bhp ATW (15psi) to 460bhp ATW (521 flywheel) at 23psi
Car was filled up this morning, whilst on back of trailer, with 55litres of optimax, and then whacked on the rollers down at scoobyclinic.
Things were just starting to get interesting when the exhaust started getting noisy, and the afr started going crackers. On inspection, the custom up pipe had been rubbing on the sub frame, and had worn through, causing the exhaust to blow big time, and all further runs being abandoned.
Would of been nice to see what it did at 26psi, and 28psi, and then what it would have done with fancy fuel.
Not bad all in IMO at 23psi, and on optimax only.
Big up to Scoobclinic for use of their facilities.
Big up to Pat for his dedication.
Big up to David, for finally getting somewhere with your car, good to see you smiling about your car, well done.
Steven
Took David Wallis' car down to scooby clinic today for a private tuning session (safer than on the road)
after several runs the power crept from apporx 300 bhp ATW (15psi) to 460bhp ATW (521 flywheel) at 23psi
Car was filled up this morning, whilst on back of trailer, with 55litres of optimax, and then whacked on the rollers down at scoobyclinic.
Things were just starting to get interesting when the exhaust started getting noisy, and the afr started going crackers. On inspection, the custom up pipe had been rubbing on the sub frame, and had worn through, causing the exhaust to blow big time, and all further runs being abandoned.
Would of been nice to see what it did at 26psi, and 28psi, and then what it would have done with fancy fuel.
Not bad all in IMO at 23psi, and on optimax only.
Big up to Scoobclinic for use of their facilities.
Big up to Pat for his dedication.
Big up to David, for finally getting somewhere with your car, good to see you smiling about your car, well done.
Steven
Well done to you & all the others involved 
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13 March 2005, 10:20 PM
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Excellent results David it’s nice to see some figures at last 
after the gigantic build thread over the last two years well done mate 
after the gigantic build thread over the last two years well done mate
14 March 2005, 11:50 AM
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Nice one David 
Looks like at 5k you better have a tight grip of the steering wheel !! 
Andy
Don't know if we can allow that
Looks like at 5k you better have a tight grip of the steering wheel !! Andy
wait till I start with the scottimax
Last edited by Andy.F; 14 March 2005 at 11:54 AM.
14 March 2005, 01:00 PM
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Originally Posted by David_Wallis
Why cos im catching you all up
Best I get my *** in gear then
Andy
14 March 2005, 01:01 PM
#22
David,
Cool results!
As a matter of interest (and I know only too well the issue with driveability and big HP) what is it like on the road and driveability wise. Looks very peaky and takes time to come on full boost by your graph?
I am looking at going down the big BHP route so am interested in the driveability side.
Regards,
Shaun.
Cool results!
As a matter of interest (and I know only too well the issue with driveability and big HP) what is it like on the road and driveability wise. Looks very peaky and takes time to come on full boost by your graph?
I am looking at going down the big BHP route so am interested in the driveability side.
Regards,
Shaun.
14 March 2005, 01:19 PM
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Originally Posted by webmaster
Looks very peaky and takes time to come on full boost by your graph?
Regards,
Shaun.
Regards,
Shaun.
Generally quick run up times are good for peak power but do not show true midrange torque, conversely slow run up times show good torque early in the rpm range but can suffer heat soak at the top end limiting the indicated power peak.
Not sure what the ramp rate is on the DD Dyno ? Perhaps Pat can enlighten us ?
Andy
14 March 2005, 01:34 PM
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It was trailered there as its not taxed or insured for the road, yet.
Please remember, this is just an in progress graph, which had to be aborted due to the sub frame rubbing a hole in the headers.
Please remember, this is just an in progress graph, which had to be aborted due to the sub frame rubbing a hole in the headers.
14 March 2005, 03:41 PM
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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andy.. ramp rate was 60 or 62 
**** knows what it meant...
I had to get to 2000 rpm in 4th, switch the load switch on, floor it then hit the ramp switch
Shaun, on the road its very good, depends what you want.. (im not interested in in-gear performance as thats not how 'I' drive.. down a gear works well for me)its not as linear as it looks on the graph.
due to the capacity its not bad off boost, however it is 7.5:1 CR with around 280deg cams.
**** knows what it meant...
I had to get to 2000 rpm in 4th, switch the load switch on, floor it then hit the ramp switch
Shaun, on the road its very good, depends what you want.. (im not interested in in-gear performance as thats not how 'I' drive.. down a gear works well for me
)its not as linear as it looks on the graph.due to the capacity its not bad off boost, however it is 7.5:1 CR with around 280deg cams.
14 March 2005, 03:45 PM
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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CJAF7R... spec is something like..
2.33 Litre Bored and Stroked EJ20 CDB
Modified Wiseco Pistons & Ceramic Coated
PAR Rods
ACL Bearings
Lateral 16mm(ish iirc) head studs
Ported / Polished Sti3 Heads, Billet Valves & Double Valve Springs
280 ish deg. cams
Custom Steel Head Gaskets
Garrett GT35/40 Hybrid Turbo
Turbonetics Racegate 42mm External Wastegate
Modified Phase 1 Inlet Manifold with 80mm Throttlebody
Custom Intercooler
Custom Radiator
Custom Headers
Custom DownPipe
3" HKS Hiper Exhaust
Group A Engine & box Mounts
2x Aquamist Water Injection
Autronics SM2 ECU
MSD DIS2 CDi ignition
Apexi AVC-R
2x Walbaro Fuel Pumps in tank
4x 850cc Injectors
Modified SX Performance Fuel Pressure Reg
Lateral Paddle Clutch & Flywheel
STI 7 Gearbox
8000+ Rev Limit
Dunlop D01J tyres
AVO Coilovers
Upper And LowerStrut braces
Powerflex Bushes
AP Racing 4pot 330mm Brakes (Front)
ABS Removed
Braided Brake lines
Braided Clutch line
David
2.33 Litre Bored and Stroked EJ20 CDB
Modified Wiseco Pistons & Ceramic Coated
PAR Rods
ACL Bearings
Lateral 16mm(ish iirc) head studs
Ported / Polished Sti3 Heads, Billet Valves & Double Valve Springs
280 ish deg. cams
Custom Steel Head Gaskets
Garrett GT35/40 Hybrid Turbo
Turbonetics Racegate 42mm External Wastegate
Modified Phase 1 Inlet Manifold with 80mm Throttlebody
Custom Intercooler
Custom Radiator
Custom Headers
Custom DownPipe
3" HKS Hiper Exhaust
Group A Engine & box Mounts
2x Aquamist Water Injection
Autronics SM2 ECU
MSD DIS2 CDi ignition
Apexi AVC-R
2x Walbaro Fuel Pumps in tank
4x 850cc Injectors
Modified SX Performance Fuel Pressure Reg
Lateral Paddle Clutch & Flywheel
STI 7 Gearbox
8000+ Rev Limit
Dunlop D01J tyres
AVO Coilovers
Upper And LowerStrut braces
Powerflex Bushes
AP Racing 4pot 330mm Brakes (Front)
ABS Removed
Braided Brake lines
Braided Clutch line
David
