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SUPERCAR NEDHEADS: BN3 SUPERCHARGER SERIES

BN3 "Performance Enhanced" Supercharged Power



NEDHEADS BN3

2006-2013 GRAND SPORT

2006-2013 BASE MODELS

LS3 ENGINES
SUPERCHARGED

BN3 Supercharger Series Cylinder Heads are designed by Ned Erkman, with redeveloped intake and exhaust ports and larger diameter valves to efficiently enhance the performance capability of Supercharged LS3 Engines

The higher flowing intake and exhaust ports with bigger intake and exhaust valves can help to lower boost pressure and increase supercharger power. Since pressure is a measure of resistance, more efficient cylinder head flow rates reduce boost pressure and make more efficient power by reducing the energy required to operate the supercharger. The reduced friction associated with the operation of the supercharger also helps to reduce heat and lower intake air temperature to develop more efficient supercharged power.



NEDHEAD BN3 SUPERCHARGER SERIES cylinder heads improve supercharged engine efficiency by discharging large volumes of hot exhaust from the supercharged cylinder, thereby allowing more air and fuel to fill the cylinder to produce more efficient power. Superior cylinder head technology for Supercharged LS3 engines.


BN3 NEDHEADS vs. STOCK LS3 HEADS

  • Larger 2.20 Intake & 1.61 Exhaust Valves VS LS3 Heads 2.165 Int & 1.59 Exh.
  • More compression with 64 cc chamber volume vs. 68 cc for LS3 cylinder heads.
  • Higher valve lift with 1.8 rocker ratio vs. 1.7 ratio rockers for the LS3 cylinder heads.
  • Stronger aluminum castings with bronze valve guides to improve valve stem wear.
  • Better intake and exhaust port designs for more flow and improved engine power.
  • Technologically advanced higher heat resistant valves and valve-train equipment.
MULTIPURPOSE TEMPLATE

2003-2013 LS3 ENGINES

BN3 NEDHEADS SUPERCHARGER SERIES is made for LS9 engine for the ZR1 models, increases the horsepower from 638 BHP to 800+ BHP Supercharged Power

WELL DOCUMENTED

SUPERCHARGER SERIES

>Supercar NedHeads cylinder heads prices are based on performance levels. Our custom modification of cylinder heads are made to produce superior power.

GREAT SUPPORT

Custom Modification $2500 usd to $5500 usd

Supercar NedHeads cylinder heads prices are based on performance levels. Our custom modification of cylinder heads are made to produce superior power.


NEDHEAD BN3 SERIES PRODUCT SPECS

The BN3 Supercharger Series Cylinder heads were custom designed by Ned Erkman, specifically to efficiently enhance the performance of the Supercharged LS9 Engine in the ZR1 Corvette and supercharged LS3 engines. BN3 has 12° valve angles and larger 2.20” intake and 1.614” exhaust valves. that use standard LS7 rocker arms with higher 1.8 ratio rocker arms which produce more valve lift.

The intake port flows over 380 CFM and the exhaust port flows over 270 CFM. Better intake and exhaust port designs produce more flow and improved engine power and performance. The higher exhaust flow is important for the efficient operation of a supercharged engine. Made in the USA with Virgin A356 Aluminum alloy, which has excellent cylinder head casting characteristics that include higher structural strength and resistance to hot cracking. BN3 Heads also have bronze valve guides for better valve stem wear.




DYNO TESTS: BN3-LS3 RESULTS COMING SOON





Dyno Test Results:

RESULTS COMING SOON

RESULTS COMING SOON

Dyno Tests Results:

RESULTS COMING SOON

RESULTS COMING SOON

FLOW TESTS: BN3 SUPERCHARGER SERIES HEAD VS. LS3 ENGINE CYLINDER HEAD





BN3 Cylinder Head Intake Port Flow Test

BN3 NEDHEAD vs. Stock LS3 Cylinder Head

Comparative Analysis of BN3 NEDHEAD Intake Port Flow

BN3 Cylinder heads flow over 380 CFM through the intake port, which is 60 CFM more flow than the production LS3 cylinder heads.

Technically, increasing intake airflow by 1 CFM can increase engine power by .25 horsepower per cylinder, which represents a 2 horsepower increase in an 8-cylinder engine. Improving intake airflow by 60 FM can increase engine power by 120 HP (60 CFM x 8 cylinders’ x .25 = 120HP).

To achieve this power potential, the engine must have good, unrestricted airflow through the complete air intake system. The engine also requires the right camshaft profile and compression ratio to maximize the power potential of the intake airflow.

NEDHEAD BN3 Systems are developed as complete engine systems with custom designed camshaft profiles that optimize engine performance



BN3 Cylinder Head Exhaust Port Flow Test

BN3 NEDHEAD vs. Stock LS3 Cylinder Head

Comparative Analysis of BN3 NEDHEAD Exhaust Port Flow

BN3 Cylinder heads flow over 270 CFM through the exhaust port, which is 40 CFM more exhaust flow than the production LS9 cylinder heads.

Technically, exhaust port flow should be at least 70% of intake port airflow to optimize the engines intake to exhaust flow ratio, to compensate for forced inducted engines boost pressure.

To optimize the efficiency of engine exhaust flow, the complete exhaust system must be unrestricted with the best exhaust system for the power level desired. The engine also requires the right camshaft profile with the best exhaust valve lift and duration to work as a complete and balanced engine system.

NEDHEAD BN3 Systems are developed with the best custom camshaft profiles, exhaust headers and exhaust systems with high flow catalytic converters.

If you have questions, please contact us.

Our performance experts will be pleased to answer your technical questions.

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