Quote:
Originally Posted by Rotary Afterfire
ok, since Im going to be fabricating kind of based on what you have, I was interested in what you were going to do to remedy the diaphragm problem. Perhaps bringing the front w/g forward off the runner towards the headlights and extending the dump-to-dp pipe to the same location and extending the rear w/g rearward and have it dump further down in the dp. Hopefully water-cooling will help and I can copy that too lol. Good luck.
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Cool, glad to see another fabricator. just stay tuned to the thread and I will let you know how the relocation goes and or the cooling. My racing season starts in March so I need to do something before then.
Quote:
Originally Posted by speedjunkie
OK gotcha, so you already made a heat shield and still doesn't help. Well, shit. I guess water and/or relocation is the only choice then. Have you ever wrapped the DP as well to try to help with that or is it against the rules?
I'm not sure how you kept all those materials and locations straight in your mind haha, but thanks for the info! I thought you went straight from the Vband on the turbo to a 4" DP. Gotcha. And I can completely understand not doing the whole thing in 321ss, not worth the benefit vs cost. Was there a specific reason you got an RB flange? Someone else suggested getting that one too but I don't yet know why. I'll get it anyway though, no biggie.
As far as the cooling efficiency of the IC, I've never measured my temps so I wouldn't know how they compare to yours, but I know current VMIC works pretty well as far as cooling. I just think I might be able to get less pressure drop with something with smoother flowing end tanks. Then comes the problem of the air moving too fast to be cooled efficiently...and for that I was going to use 2.75" exit and 3" entrance piping. But flow/CFM is where I'm stuck right now. Not that it really matters, I'm not racing, just trying to give my all to build my favorite street car haha. MAYBE it'll see the track someday, but I've never paid attention to rules and regulations so I'm so far past it now and it's not worth going back.
So you're saying the single responds faster than the stock twins? Or are you talking just about the power it delivers? I didn't think any single would respond as fast as the twins. I was hoping short runners and an efficient IC would help though.
Sorry for all the questions, but thanks for responding anyway.
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I think only the rear WG was being affected though, since he mentioned it being close to the DP. I'm curious how the front is working too though.
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I was planning to do 3.5" all the way back but I changed my mind half way through the project. No reason, that is just the way it turned out. Also I would not bother with over thinking the IC, we are not building F1 cars. Just get what fits and build it. Over analyzing things will just slow you down.
I will post my dyno chart and let you figure out if the twins are better. Although for a street car I would get a bigger turbo like a GT35 or so. The street is another world compared to auto crossing.
