Which set of twins?
Thread Starter
Staging Lane
Joined: Jan 2015
Posts: 89
Likes: 0
From: Atoka, Ok
Which set of twins? Hey guys I am putting a 5.3 in an s10. I am wanting to do a twin turbo set up and I have been looking at some on3's. My friend has had some good luck with them. I cant decide on 61mm or 70mm. The truck wont really be at the track too often and I would like it to spool rather quickly. Any input?
Staging Lane
Joined: Feb 2015
Posts: 73
Likes: 0
From: Belle River Ontario Canada
Hey guys I am putting a 5.3 in an s10. I am wanting to do a twin turbo set up and I have been looking at some on3's. My friend has had some good luck with them. I cant decide on 61mm or 70mm. The truck wont really be at the track too often and I would like it to spool rather quickly. Any input?
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Twin 70's would be a little overkill on your setup in my opinion. I would opt for the 61's, or even the twin 67's if you have the right cam to help them spool quick.
I don't know if it's an issue of it being too big, but that cam is not a turbo cam in the nature of it's valve events or LSA. While it's not optimal, I'm sure it will work just fine though.
I think the issue with the 228r in addition to the valve events is the XER lobes it's on. Pretty harsh profile.
I'd go twin 61's for sure. I've got turbonetics 6165's on my 370ci and I start seeing positive pressure at 2600-2800rpm.....suckers light off silly fast.
I'd go twin 61's for sure. I've got turbonetics 6165's on my 370ci and I start seeing positive pressure at 2600-2800rpm.....suckers light off silly fast.
I was able to make 1009 on pump with mp t70's but think they were getting tapped out. 400 cubes. I have t72 turbonetics now and they feel stronger
I used to run mpt 60's before and made around 700 on 15 psi and assload of trq. They would be awesome on a 5.3