We bypass the radiator and run the lines directly to the trans cooler.
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subd because Im getting an auto FD too. I'll be getting your brace parts.
Bosozoku theme....lol Love this thread |
The Banzai Racing Auto FD got some love today. Swapped out the Pulleys for one of our Black Aluminum Kits and installed a PFS SMIC.
Pulleys & Belts (93+ RX-7) https://cimg5.ibsrv.net/gimg/www.rx7...2ab1e34c2c.jpg https://cimg7.ibsrv.net/gimg/www.rx7...620aec8d14.jpg |
That PFS SMIC looks brand new :icon_tup:
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It is in very good condition, just what this car needed. The PFS has always been one of my favorite SMICs for it's looks.
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Finally got enough miles on the engine to do some dyno tuning. 346rwhp/257tq @ 13.4psi max
https://cimg9.ibsrv.net/gimg/www.rx7...09c9179b8e.jpg |
Whats up with the weird lines at around 7K RPM? How does it feel compared to a manual trans car when punching it from a roll? How many miles were put on this since the engine rebuild over 4 years ago to just tune it now?! :)
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I think the trans was getting hot, causing a slight slip at 7K, and then is would recover. I see those marks on dyno sheets when the tires spin or the straps have come loose, neither of which were the case here.
It is completely different from a manual trans, not having the boost blow off when shifting makes for very solid shifts. Played around with the hold button a little on the street after tuning was done. The car also has a 4:30 rear, so acceleration is rapid from a roll. Basically is it a 350hp FD that Grandma can drive. Slow from a standing start. The car only has about 600miles on it, I actually let a friend of mine drive it around for the last month just to get those miles on it. It is not a primary car or even one of my primary RX-7s. It is a side project and we are a very busy shop, so there are months (years) that this sat in the corner of the dyno building. |
The answer is probably no as the auto FD was never really a car people focused on, but can you install a higher stall speed torque converter? Isn't the stock stall speed like 3,000-3,200 RPM? If a 4,000-4,5000 RPM converter could be installed that would help a lot with launches wouldn't it? Maybe hurt drive-ability a touch though.
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The torque converter is not rotary specific and can be modified to any stall speed.
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Cool. I didn't mean rotary specific, just transmission specific as it might not be a transmission that was used in any other car? Anyway, cool to know it would be possible to increase the stall speed and launch it harder if you really wanted to make it an attractive drag car.
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Originally Posted by Banzai-Racing
(Post 12222240)
Finally got enough miles on the engine to do some dyno tuning. 346rwhp/257tq @ 13.4psi max
https://cimg9.ibsrv.net/gimg/www.rx7...09c9179b8e.jpg |
Installed a Pioneer head unit with Bluetooth, crazy how inexpensive these have becomehttps://cimg0.ibsrv.net/gimg/www.rx7...3e87ec200f.jpg
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Picked up a spare torque converter, sending it out to level 10 for some upgrades.
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nice
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Love the pioneer head unit, nice color match. I also have a level 10 auto trans sitting in storage waiting until I get an auto FD...lol
thanks for making this project auto rx7 !!!!!!!!!!!! |
Can you post any details on the L10 modifications?
Did you ever add an upgraded trans cooler? |
Originally Posted by TwinCharged RX7
(Post 12324789)
Can you post any details on the L10 modifications?
Did you ever add an upgraded trans cooler? |
Chris,
Did you ever get that TC upgraded? Ben |
It is in the works. Super busy working on customers' cars, which always happens. One of the reasons that I have put less than 1000 miles on this car since I have owned it.
Today, the car will be getting the first of a brand new product that we will be releasing next week. Stay tuned for a sneak peak. |
I got tired of looking at the S4 plastic filler neck used for the AST elimination, so I sat down and designed a billet aluminum part. It has a removable nipple with 1/8 npt threads. We will be offering it as a kit with a new viton o-ring and stainless hardware.
https://cimg3.ibsrv.net/gimg/www.rx7...afbec46266.jpg https://cimg6.ibsrv.net/gimg/www.rx7...725cfe97cc.jpg |
nice to know when that part fails the community can get a replacement from you that will last a life time !!
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No reason to wait until the plastic part fails |
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Maybe I missed it Chris, what are the power goals for this FD?
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