I am going for twin 6466 ballbearing turbos but havent decided if T4 .81AR or T4 .68AR. I dont want to have a lot of lag, engine is fully built with 9.0:1 CR. Does anyone have some experience with this ARs?
Thanks
Thanks
Going twin turbo what housings AR?
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CPRsm
Active Member
Those are good to probably 1600 hp. Sizing will depend like they said. You can go T3 if you wanted also. Just depends
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CPRsm
Active Member
Niether, the don't share them. Ain't that a bitch? Lol
do you ever plan on using what those turbos are capable of? i would go 60s or 62s but either way .68 will spool faster but could cause back pressure issues depending on turbine wheel size
.68s with valve springs lol
What kind of bull shit is that? You are forced to call them to spec one of their turbos for a setup? Or is it just because 95% of people just don't understand how to use one properly...
CPRsm
Active Member
Yeah, kinda sucks. I jus spec them based on experiance, but the size only plays a small role in island Shape
The car is not my daily I just use it on the weekends or to make some runs. I bought the MMR short block for 1500hp so I might boost around 20-25psi on these turbos. I just want to make good power at low rpms and dont have that much of lag, maybe see full boost at 4000rpms.
CPRsm
Active Member
If you have to go T4 then 6266 for 1500hp on a .58
6262 on the same AR if you want about 1200. These would work well on gas. T3's would work well on the 66mm turbine. But only gas, I think E85 would be too fast. That amount of boost will be in the area of 4500 probably before it's all in unless you go T3.
6262 on the same AR if you want about 1200. These would work well on gas. T3's would work well on the 66mm turbine. But only gas, I think E85 would be too fast. That amount of boost will be in the area of 4500 probably before it's all in unless you go T3.
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6466's is alot. No reason for that if your just looking to max out at 1200whp. I'd use twin 5862's or 6262's.
And I'd use T4 0.58's, MAYBE 0.68's but prob not needed.
And I'd use T4 0.58's, MAYBE 0.68's but prob not needed.
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