11041-E4621  CYLINDER HEAD / Safari Head / Lookup Code 11041										(1)

As seen in the FIA homologation papers for the H(L)S30 ( FIA 3023 / JAF GT-010 ). Internally at Nissan it was nicknamed the 'Safari' head.

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1) https://www.viczcar.com/forums/topic/4286-overview-of-l6-engine-heads/
2) https://www.viczcar.com/topic/10754-s20-for-sale/?p=127272
3) https://www.viczcar.com/forums/topic/4286-overview-of-l6-engine-heads/
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The Safari Head' Part No. 11041-E4621												    (2 & 3)

As seen in the FIA homologation papers for the H(L)S30 ( FIA 3023 / JAF GT-010 ). Internally at Nissan it was nicknamed the 'Safari' head, 
even though it was never used in anger on the E.A. Safari Rally. Essentially it was a 6 cylinder version of the 4-cyl FIA head, and was 
always intended to be used with Nissan's race 'ECGI' electronic injection system with triple side-draught throttle bodies. 

You can see some details of the head on the homologation papers ( amendment 5/5V ). Compression ratio was intended to be 11.0:1 with a 
36.2cc chamber. The heads were individually sand cast ( stock heads were die cast ) and the architecture was completely different to that 
of any of the stock production heads. The inletmanifold was used as a log to join the cooling passages together, and the cooling properties 
eliminated any hot spots / cool spots. 

Assembled on an L24-base, capacity upped to around 2500cc within the rules, with the option E4621 narrow-journal high strength crank, narrow 
journal rods, 8-bolt 7kg flywheel and the full ECGI injection setup, it was given the internal reference code 'LR24-ERY'. They were used in 
Japanese circuit racing in late 1971 through 1973 in cars like the Omori 'spider' car in my forum avatar, sometimes alongside LY24-ERY 
( 'LY' crossflow on injection ) equipped cars.
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