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RB to L series exhaust manifold questions


akumazedex

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I was recently looking at the greddy exhaust manifold for the l28et motors and the application chart said RB25 engines also. I am now puzzled. Aperently we can use rb exhaust manifolds, is this true? Does anyone have a manifold they can test fit? Correct me if I'm wrong.

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I don't think so... Not with any stock L-series head that I'm aware of anyway. The exhaust ports are in completely different arrangements, and are more oval shaped I think on most RB heads. Plus the bolt pattern is way different.

 

Whatever site you saw this crap on is way off... unless There is some RB head that is closer to the style of the L-series head that I'm not aware of or vice-versa.

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Here:

 

"The manifold shown represents the quality of the manifold but the style and size may be different depending on which type is purchased."

 

 

 

Look at the part numbers:

 

Part Num. : 10521009 (GC210 HR30 S130 HS130 TD07S 42.7mm/42.7mm)

Part Num. : 10521025 (HCR32 ECR33 TD05/TD06/T67 42.7mm/42.7mm)

Part Num. : 10521017 (ECR33 42.7mm/50.8mm)

 

 

and lower the cars:

 

Nissan Skyline HR30 (Zenki - 8/81-7/83) Eng: L20E

Nissan Skyline HR30 (Kouki - 8/83-7/85) Eng: L20E

Nissan Skyline GTS HCR32 (Zenki - 5/89-8/91) Eng: RB20DET

Nissan Skyline GTS HCR32 (Kouki - 8/91-8/93) Eng: RB20DET

Nissan Skyline GTS25 ECR33 (Zenki - 8/93-1/95) Eng: RB25DET

Nissan Skyline GTS25 ECR33 (Chuki - 1/95-1/96) Eng: RB25DET

 

 

 

Compare the part number model codes to the car type model codes and the engines.

 

 

 

 

Same manifold with different flanges compactly listed under one advert instead of 3.

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