turbo hotsides
Yes I would point my finger firstly at the log mani. When I ran the greddy log for a couple years with different turbos I found it made them come online more on/off then the divided I'm running now. Moving the gt3574 (.84 backside) from the log mani to the divided mani gave better ultimate response, and more linear response.
Also yes, EGTS will generally be higher in cruise because of the much leaner mixtures.
There's still tonnnes of variables regarding spool up, but I'd be willing to bet your log mani is causing alot of the lightswitch engagment you're experiencing
Also yes, EGTS will generally be higher in cruise because of the much leaner mixtures.
There's still tonnnes of variables regarding spool up, but I'd be willing to bet your log mani is causing alot of the lightswitch engagment you're experiencing
I noticed a big difference in highway cruising when I switched to the divided setup. It builds part throttle boost much more easily. I'm not sure if the hotside alone would actually make the car much faster, but it did make it more fun to drive. If you think about it, Mazda had a divided hotside on the factory FC turbo for a reason.
Joined: May 2004
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From: Home of the 305 Boyz(miami)
nice thread. i myself thought the same thing hondahater thought. that was until i took a t78 out of my car that hit full boost @4700 and put a gt42 in my car that hit full boost @4300
http://www.rx7store.net/RX_7_Turbo_M...20manifold.htm
This is or is like the one on ebay. Just came across it and remembered your post.
This is or is like the one on ebay. Just came across it and remembered your post.
I just recently received that manifold in the mail from Jason at rx7store. I have had a few issues since last year when I originally purchased my GT35R kit and after trying a few different things without luck Jason decided to send me one of these as a replacement. I'm looking forward to getting this one on the car as it appears to be much nicer.
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