Quote:
Originally Posted by speedjunkie
Have you thought about where you're going to get the water from and route it back to? Where are you thinking of relocating it to? Have you thought about making a heat shield for that WG?
Is there any concern welding the 321 to the 304? Mainly about cracking where the 321 meets the 304 flange? About the 4" though, is it not started at the back of the turbo? Or are you saying you started using 409 at the rear of the tranny and prior to that it's 321? That must have been pricy for all that 321 lol.
Do you notice any drawbacks to that ebay core? I guess it's working for you if you're racing with it lol. I'm still wary of what size core to get, I'd rather experiment with a cheap core too but if it works I don't want to build another one with a name brand core.
So as far as response, what would you say about how much difference there is between this and stock twins?
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See above post on WG answer. On the exhaust, I really do not know if welding the two different types hurt anything but I have not had any problems so far. the breakdown of the material is this.
1. Manifold 321ss
2. 3" vband 304ss
4. 3" to 3.5 transition 321ss
5. DP 3'5" 321ss
6. flex joint 304 ss
7. 3.5 to 4" transition 321ss
8. 4" straight section 26"s, 321ss (removable to be straight or Magna flow)
9. 4" from #8 back to Magna flow in rear 409ss
My plan was to run 20 ga. 321 all the way back but it was hard to justify the cost to material advantage.
On the IC, my intake temps get a little high. 145F-175F range during a race on a 90+ degree days. Not sure if it is the IC or the nature of the beast. I usually run 19-21psi so the intake temps get up there. The example I pulled up happened to be a little cooler day might have been 80 degrees at the most. not really sure.
The stock twins are no comparison to the single I have on it now. Best way I can explain it is it would be the difference in a C6 Z06 compared to a stock RX-8.
