cast iron vs. stainless steel

Post by **TY_DOHC91** » Sat Nov 13, 2004 8:45 am

what is a more desirable turbo manifold

cast iron or stainless

pros and cons

Post by **Structure240sx** » Sat Nov 13, 2004 9:01 am

cast iron is much more durable, stainless looks nice and would be a little lighter

Post by **TY_DOHC91** » Sat Nov 13, 2004 9:13 am

where would one find a good cast iron onefor a ka24de t3/t4 application

bang for buck

Post by **Structure240sx** » Sat Nov 13, 2004 9:26 am

look for the revhard manifold. thats what i have

Post by **TY_DOHC91** » Sat Nov 13, 2004 9:55 am

DOES THE MANIFOLD DIFFER BETWEEN S13 AND S14

OR WILL ANY KA24D MANIFOLD FIT

Post by **NX95240** » Sat Nov 13, 2004 11:40 am

i have a ETD mani. and like it . we had a group buy and theres a few of us here that have it.

Post by **S14tat** » Sat Nov 13, 2004 12:00 pm

call me special but i've managed to put 5 cracks in my REVHARD manifold, however it has over 30K miles on it. damn i need to find another one on ebay.

Post by **:: orion ::** » Sat Nov 13, 2004 12:31 pm

^^^ Did you slot betwen the runners and expand the bolt holes?

(I did, and have had ZERO trouble from it...with ~15,000 miles of abuse.)

??? - Brian

( PS: Did you get that ECU...? )

Post by **TY_DOHC91** » Sat Nov 13, 2004 1:07 pm

slot between the runners?

are you refering to cutting the flange

how does that contribute to prolonged durability?

Post by **:: orion ::** » Sat Nov 13, 2004 4:06 pm

Allows expansion of the individual runners...same goes for opening up the bolt holes. When you get a RevHard, it barely slides over the exhaust manifold studs...so when it goes to expand, it has nowhere to go...so it cracks. Open the bolt holes, slot the flange between the runners...and everything can expand and contract a little, so less chance of cracks.

The more room you aloow for expansion, the longer it will last.

- Brian

Post by **Structure240sx** » Sat Nov 13, 2004 9:46 pm

exactly what :: orion :: said. i cut the flange between the runners, drilled out the bolt holes, and also ported out the ports (they are centered perfectly with the head ports). i've had my revhard on for over a year and 17k miles also with zero problems

Post by **S14tat** » Sat Nov 13, 2004 10:06 pm

ahhh ic, on my next manifold i will do that. and yes orion i recieved the ECU on tuesday. do you guys know of a place that sells the manifolds for a better price?

Post by **Structure240sx** » Sat Nov 13, 2004 10:38 pm

looks around ebay and the forums. they go for anywhere from $250-350.

cast iron vs. stainless steel

cast iron vs. stainless steel

Re: (Structure240sx)

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Re: (TY_DOHC91)

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Re: (:: orion ::)

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