RX7Club.com - Mazda RX7 Forum - How to tell the difference between an FD/S5NA housing?

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How to tell the difference between an FD/S5NA housing?

Just as the title states, how can you tell them apart?

if those are the only two your comparing , FD housing exhaust port has no diffuser, s5 na has diffuser

the FD housing will have a small groove on the "legs" to hold sealant

Quote:

Originally Posted by kompressorlogic (Post 10060735)

if those are the only two your comparing , FD housing exhaust port has no diffuser, s5 na has diffuser

Quote:

Originally Posted by j9fd3s (Post 10061242)

the FD housing will have a small groove on the "legs" to hold sealant

Thanks for your responce guys, I forgot to mention, I knew about the difference in diffusers.
j9fd3s I'm not familiar with "legs", could you clearify? Any other differences?

The reason that I'm asking is that I'm getting an S5 Turbo engine with one bad housing rebuilt , and I can get a hold of an FD housing to swap it in, just want to know if it's going to work. I know the FD housing doesn't have the coolant passage like the S5 Turbo housings, and it looks like a S5 NA housing. Thanks in advance for your responce.

http://www.pineappleracing.com/13b-r...usingrear.aspx

see the little cut near the bottom? from the oil pan up?