which twins????
10-22-2007, 09:35 AM
#47
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10-22-2007, 09:36 AM
#48
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the 2nd numbers 510/1191 is with the towing twins. i spun the tires on the dyno so the hp was lower than expected. it was raining in canada over the weekend.
11-13-2007, 04:49 PM
#49
I will attatch a map that compares our twins to the HY35. This should give you a pretty good idea.
11-14-2007, 01:09 AM
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Has that map been proven or is it just made from taking the max PR's from both turbos? 9.1 PR is about 115psi and everyone that has run those twins has said their max boost is in the 60's. It would be interesting to know if they could even be pushed that hard. After a certain point the drive pressure will limit the hp no matter how hard you push it.
11-14-2007, 10:19 AM
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The same as a 66mm S300 turbo from anyone. A GT42 and S400 are 96lbs/min. and the A5K/K31's are 90lbs/min. A little low compared to others but sufficient for 5-550hp.
11-14-2007, 11:19 AM
#53
Has that map been proven or is it just made from taking the max PR's from both turbos? 9.1 PR is about 115psi and everyone that has run those twins has said their max boost is in the 60's. It would be interesting to know if they could even be pushed that hard. After a certain point the drive pressure will limit the hp no matter how hard you push it.
In taking into consideration wheel speed in a perfect world the pr would be 9.1 at low flow. On the choke side of the map when you actually look at where it will flow the most which is now a PR of 6. That would make it about about 70psi which we have run at 550hp on our trucks. Which is exactly where we have set these up to work.
If you are looking for more than the 550hp then that is where the R700 twins are coming in.
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