Which Turbine Housing?
You're going to have a lot of lag! I'd guess you're going to be on the wrong side of the surge line for much of the powerband. Unless you're planning on spinning that thing to 9k rpm, I'd say to large.
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I do not htink the exhaust wheel in those is too hard to spin. You will be ok, it will be laggy but not bad with the right converter. I would say peak boost should come on by 5000rpm. Thats not bad with a loose converter and a cam that will cary you to 7k or so.
Originally Posted by orange88
Which Housings?
I've considered the MP T-70's for the 427, but I still think they are too big. I wish MP would produce something a hair smaller... they make nice turbos for the $.
Originally Posted by Wet 1
I think you misunderstood me. I don't have a set of turbos yet for the 427, that's why I said PM me if you decide they are to large for your application. I do believe based on a lot of research and past experience with turbo vehicles that these turbos will still be to large for my 427. I agree with ^, you won't see full boost until 5000 rpm or IMO >5000 rpm with a 350. You're going to need to spin that baby to the moon to get those turbos to spin where they need to be!
I've considered the MP T-70's for the 427, but I still think they are too big. I wish MP would produce something a hair smaller... they make nice turbos for the $.
I've considered the MP T-70's for the 427, but I still think they are too big. I wish MP would produce something a hair smaller... they make nice turbos for the $.
Originally Posted by 2000 Tran Zam
I guess your prob gonna stick with t66's then?
Originally Posted by turbocuda
They do....a pair of t-61's....61mm inducer 3.58 exducer....68ar p-trim turbine....on a 408 sb mopar.
BTW, nice looking project... keep us posted!
Originally Posted by orange88
i guess when i ordered them i wanted the compresser side big to keep things cool i was just wondering if the other side was way to out of line
What are your goals with this engine (boost and rpm)? I'm thinking the 61's that cuda mentioned would likely be a good fit for you.
