Twin turbo cross over pipe
- Thread starter plowboy_lbz
- Start date
Well to come out of the back of the turbo and go to the s475 it has to make a sharp bend, so not much I can do there.
There are MUCH cheaper options out there for billet compressor wheels than batmo stuff.
I'm will be trying a billet 6 blade 75mm drop in wheel in a s475 on a 12.7 detroit on my brother's W900 by this weekend, I will share my thoughts and experience afterwards... I plan to try one in a twinned LLY configuration.
I'm will be trying a billet 6 blade 75mm drop in wheel in a s475 on a 12.7 detroit on my brother's W900 by this weekend, I will share my thoughts and experience afterwards... I plan to try one in a twinned LLY configuration.
Now your talking my language!!! I've been thinking about doing that for better than a year now. Please let me know how it works. I've got a 12.7 in my pete and trying to buy a pete rock truck with a 12.7 as we speak.
Yes I know that, but I saw a thread on DF where DT did testing on a dodge with a s468 and they lost low and mid range power and only gained a couple hp up top. Not to mention the slower spool.
I know I could do that, but as I said I'm trying to pull everything I can out of my setup before adding injectors. A couple things concern me about injectors, one is the fact that I will have the ability to create more hp and I will want to maximize that ability which would be the end of my stock motor. Secondly injector longevity. I'm a firm believe that factory stuff just last longer and works than something that been tampered with by the aftermarket. Third is economy. I saw a thread a while back where some guys were talking about how to tune larger injectors for economy and were having no such luck. I really enjoy my 18-19mpg (hand calculated) averages, and if I feel like a grandpa I can pull 20 or better.
Part of it has to do with motor build config as well, not just injectors. i get 18mpg highway unloaded at 70mph. intown im averaging 14-15 now that timing is dailed in. towing is about 13ish at 70mph. had i not dropped compression in the motor, id probably be right around the 19-20mpg i was at prior to the motor build. personally, all i noticed most from the bigger injectors was throttle response, not so much quicker spool. i can kill the fire quick with these 45 overs if i run no limiters in the tune. Steve and i noticed that pretty quick on the dyno lol.
Bought a billet wheel for my s475 off a member on here. He said that it came from Trent and that it help in his single set up. My Dilemma is today I bought a peterbilt dump truck with a Detroit which has a s475 turbo. The truck is a little under powered for my liking and I believe it would be a good test subject. So do I put it on my pick up or big rig??? If it works I may get one for both.
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Threads are lefthand, shaft is 10mm and Borg Warner has different specs for different material compressor wheels. BW's spec is 10Nm+60*, I've also been told 55Nm/40 ft-lbs was a good spec also. I have digital torque wrenches now and I think last s400 I put the billet 6 blade in at 10Nm+60* ended up at 53 or 58 Nm with the digital memory...