Ya he can hold 3 psi to redline on a huge turbo.
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Ya he can hold 3 psi to redline on a huge turbo.
amazing boost control. im jealous
It doesn't hold exactly 3psi as the turbo is large and doesn't want to make 3 psi (most turbos have a minimum amount of boost they like to make even if you have ideal WG placement, but if WG placement is poor you push that threshold very high up -- I've seen K20 turbo kits that want to make 9psi on a 3psi WG spring because the manifold/WG placement is garbage).
That being said -- in cold weather (30-40* F) I make about 4.5psi (maybe 5psi at 8800 rpm), in warm weather (70+) it makes just about 4psi even at redline/rev limit. Keep in mind this isn't creep -- the turbo will hit 3psi @ 4k rpm and SLOWLY climb to 4.5psi @ rev limit (think supercharger boost).
This is as perfect as it's going to get with the size of turbo I'm using. Then again most turbos that I've seen don't really want to spin for less than 4psi with ideal WG placement, and the WG spring is not "PSI", a 3psi WG is usually something like a .22-.25 bar spring, meaning with denser ambient atmosphere it's actually closer to a 4psi spring than a 3psi spring (hence the boost flux I see between cold/hot weather running on pure WG).
All that being said, I can turn on the boost control just a tad and make a flat 6-8psi in 2nd gear from 4700 to 8800 rpm (depending how much I want to run), to as much as 25psi -- I haven't pushed the setup much past that, but 23psi at the track was only 44% duty cycle or so on my boost control. So safe to say 30psi+ on a 3 psi spring is possible ;)
http://myvtecbroke.com/wp-content/ga.../wastegate.jpg
More pics on http://myvtecbroke.com
Blame Mo, not me. I just wanted a top mount. He said it wouldn't creep. :beer::banghead:Quote:
Originally Posted by VitViper
Well I was slightly mistaken :giggle:
It's not just you... the list continues to grow.Quote:
Originally Posted by Si Speed 317
[MENTION=789]VitViper[/MENTION] that manifold looks so sick. The size alone is making me think of going turbo instead of my charger.
Stickied this thread :thumb:
[MENTION=789]VitViper[/MENTION] is this manifold availible to the public or was it custom to you?
From lookin at the picture you guys had posted it said "burns" on it. So I'm assuming 1 of 2 things.Quote:
Originally Posted by boosted_teg
1) they used a burns collector and gabbed the rest or
2) burns stainless made it.
Either if which are pretty freakin boss!
I'd love to get one of those. Makes me want to sell my stuff and go huge turbo. Lol