shaunbags Member 92 Member For: 16y 2m 15d Gender: Male Location: perth WA Posted 29/04/09 03:10 AM Share Posted 29/04/09 03:10 AM hey guys was just wondering if there was any reason why the fg intake manifold would not fit onto my ba 03........just wondering if it could be a different alternative to a plenum setup, I seen in perth street car mag simon was getting big mumbo's out of his fg mule on the standard manifold.....cheers for replies Link to comment Share on other sites More sharing options...
Tocchi Sandtrap Motorsport Donating Members 2,055 Member For: 16y 28d Gender: Male Location: Perth Posted 29/04/09 03:28 AM Share Posted 29/04/09 03:28 AM the ports are different sizes/shape on the intake side of the head.so it will not fit. Link to comment Share on other sites More sharing options...
DUS12 Member 471 Member For: 17y 5m 18d Posted 29/04/09 04:27 AM Share Posted 29/04/09 04:27 AM no they arent the ports are the same, you dont need a plenum to make power, I went 540rwkw through a auto on a stock be plenum, I am putting a fg plenum on it now because they flow the most equal out of anything, that was found out after many hours on a flow bench,its not worth the trouble because of different fuel rail and injectors and throttle body and so on, Link to comment Share on other sites More sharing options...
shaunbags Member 92 Member For: 16y 2m 15d Gender: Male Location: perth WA Posted 29/04/09 04:53 AM Author Share Posted 29/04/09 04:53 AM no they arent the ports are the same, you dont need a plenum to make power, I went 540rwkw through a auto on a stock be plenum, I am putting a fg plenum on it now because they flow the most equal out of anything, that was found out after many hours on a flow bench,its not worth the trouble because of different fuel rail and injectors and throttle body and so on, cheers guys, just a thought.... just not really wanting to splash out the 1500 on a plenum without being too sure of what a stocker can handle easily......cheers again Link to comment Share on other sites More sharing options...
atto666 Member 35 Member For: 17y 8m 27d Gender: Male Location: liverpool, sydney Posted 29/04/09 10:24 AM Share Posted 29/04/09 10:24 AM the intake ports and bolt pattern on the intake side is the same as BA/BF, whats inside the cylinder head is different on FG, which is maybe where TOCCHI got confused.However, the exhaust manifolds are not interchangeable BA/BF - FG, completely different.dave Link to comment Share on other sites More sharing options...
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