I was wondering if anyone had the knowledge to comment on a general guideline to power limit on an RB26 (stock displacement) with varying Camshafts with different Durations and Lift?
Starting with;
Stock Camshafts - Max Power Expectancy ?
And then varying levels of Aftermarket Larger Camshaft;
252deg/9.15mm Lift (Tomei)- ?hp
252/10.05 (Mine's) - hp?
256/8.7mm (HKS)
256/9.1mm (Trust) - hp?
256/9.25mm (Tomei) - ?hp
260/9.15mm (Tomei Poncam) - ?hp
260/10.25mm (Tomei) - hp?
260/10.8mm (Tomei) - hp?
264/8.7mm (HKS)
264/9.1mm (Trust) - hp?
264/9.7mm (JUN)
264/10.0mm (HKS)
270/10.25mm (Tomei) - hp?
272/8.7mm (HKS)
272/9.7mm (JUN)
272/10.2mm (HKS)
272/10.5mm (JUN)
272/11.35mm (JUN)
280/10.2mm (HKS)
280/10.25mm (Tomei) - hp?
280/10.3mm (HKS)
280/10.7mm (HKS)
280/10.8mm (JUN)
280/11.35mm (JUN)
280/11.5mm (Tomei) - hp?
288/10.7mm (HKS)
288/11.0mm (HKS)
288/11.35mm (HKS)
290/11.5mm (Tomei) - hp?
296/11.1mm (HKS)
296/11.3mm (HKS)
304/11.4mm (HKS)
304/11.6mm (HKS)
312/11.6mm (HKS)
Maybe if you have any of these camshafts fitted, would you be able to post what power (flywheel or wheels, please state) your engine produced.
Also, at what level (in terms of lift)
Are head modification needed to fit camshaft?
Are Uprated Valve Springs needed?
Are Uprated Lifters needed?
Are Uprated Retainers needed?
Which Cam for;?
Street Tunes on Stock Turbos with Upp'd Boost
HKS GT-SS or 2510
HKS 2530 or similar on 1.5bar
or larger?
I need to start looking at what camshaft will fit my needs and wanted to do some homework but also compile the information in one place for others to refer to.
I want 550-500 whp with HKS 2530's at max boost on stock displacement (with all other modification to support), I want to circuit race the car but also drag race it (would like low 11's).
The 260/9.15mm Poncam seems like a nice popular camshaft, however am concerned with 9.15mm lift I will not hit my target hp. ???
Starting with;
Stock Camshafts - Max Power Expectancy ?
And then varying levels of Aftermarket Larger Camshaft;
252deg/9.15mm Lift (Tomei)- ?hp
252/10.05 (Mine's) - hp?
256/8.7mm (HKS)
256/9.1mm (Trust) - hp?
256/9.25mm (Tomei) - ?hp
260/9.15mm (Tomei Poncam) - ?hp
260/10.25mm (Tomei) - hp?
260/10.8mm (Tomei) - hp?
264/8.7mm (HKS)
264/9.1mm (Trust) - hp?
264/9.7mm (JUN)
264/10.0mm (HKS)
270/10.25mm (Tomei) - hp?
272/8.7mm (HKS)
272/9.7mm (JUN)
272/10.2mm (HKS)
272/10.5mm (JUN)
272/11.35mm (JUN)
280/10.2mm (HKS)
280/10.25mm (Tomei) - hp?
280/10.3mm (HKS)
280/10.7mm (HKS)
280/10.8mm (JUN)
280/11.35mm (JUN)
280/11.5mm (Tomei) - hp?
288/10.7mm (HKS)
288/11.0mm (HKS)
288/11.35mm (HKS)
290/11.5mm (Tomei) - hp?
296/11.1mm (HKS)
296/11.3mm (HKS)
304/11.4mm (HKS)
304/11.6mm (HKS)
312/11.6mm (HKS)
Maybe if you have any of these camshafts fitted, would you be able to post what power (flywheel or wheels, please state) your engine produced.
Also, at what level (in terms of lift)
Are head modification needed to fit camshaft?
Are Uprated Valve Springs needed?
Are Uprated Lifters needed?
Are Uprated Retainers needed?
Which Cam for;?
Street Tunes on Stock Turbos with Upp'd Boost
HKS GT-SS or 2510
HKS 2530 or similar on 1.5bar
or larger?
I need to start looking at what camshaft will fit my needs and wanted to do some homework but also compile the information in one place for others to refer to.
I want 550-500 whp with HKS 2530's at max boost on stock displacement (with all other modification to support), I want to circuit race the car but also drag race it (would like low 11's).
The 260/9.15mm Poncam seems like a nice popular camshaft, however am concerned with 9.15mm lift I will not hit my target hp. ???