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I have decided to walk away from running a vacuum pump all together due to the maintenance and mess that tends to come with them. I know the gains are real, but not sure it's worth the trouble for track only use.
When they work right, they are great. I haven't found that balance yet. Really not sure why it's pulling so much more oil now vs when I had it on the SBE LS7 setup. Definitely makes a difference with the 5.3 block. So gonna keep trying to make it work. Next move is to plumb the outlet directly to the dry sump tank, and then vent the tank into the catch can. This is how I've seen it done on other setups and it works well.
When they work right, they are great. I haven't found that balance yet. Really not sure why it's pulling so much more oil now vs when I had it on the SBE LS7 setup. Definitely makes a difference with the 5.3 block. So gonna keep trying to make it work. Next move is to plumb the outlet directly to the dry sump tank, and then vent the tank into the catch can. This is how I've seen it done on other setups and it works well.
Talk to Bill at GZ.. He will let you know the best way.
When they work right, they are great. I haven't found that balance yet. Really not sure why it's pulling so much more oil now vs when I had it on the SBE LS7 setup. Definitely makes a difference with the 5.3 block. So gonna keep trying to make it work. Next move is to plumb the outlet directly to the dry sump tank, and then vent the tank into the catch can. This is how I've seen it done on other setups and it works well.
and this is one of the bigger reasons why i went straight to a dailey 5 stage. vacuum pump and oil pump built into one, without the worry of ever pulling too much oil.
Started building an enclosure for the throttle bodies to see how that would work. It's not going to be 100% sealed off. Not sure if this is going to hurt it but that's what testing is for. Still need to add in a bridge to connect the upper section of the intake to the top of the enclosure. It's pretty much as tall as the bottom of the hood. So even without it, that's about the space I have. It's roughly 3".
Signed up for Street Car Takeover in Oklahoma on May 18th. Really hoping for 158+mph traps in the roll racing event. Borrowing a set of slicks to try from a stop as well. I'll be on a 26" tire for both.
I've always thought that if I was building an enclosure for throttle bodies like that, I'd just make a flat plate that went under them, and use the hood as the top surface ... sealing it up with appropriately shaped foam.
Yeah, I thought about that too but I saw that the hood lifts at higher speeds. So that would pretty much break the seal of the foam to the hood.
Thinking that's possibly due to the air from the front feed intake pushing it up.
Like I mentioned, the "lid" literally touches the under side of the hood. So, either way, that's as much clearance as there is.
Whatever the end result is, I want it to look clean too, lol.
Decided to scrap that lid thing for now. Once I added the bridge, it hit the hood. Maybe I'll work on something that seals the whole thing to the underside of the hood, like Grubinski mentioned. That's for another day.
Got the new wheels. They are definitely heavier than the other 17s/15s. Hopefully this doesn't affect too much.
Put the nitrous spacers back under the TBs. Going to revist that. Most likely keep it around 150hp to 200hp MAX and only for special occasions.
04-18-2024, 07:24 PM
