60psi boost gauge?
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
I have a 60 PSI boost gauge, but no pix yet. My boost just gets up to 34-35 PSI, but I installed a switch give it double-duty as a fuel pressure gauge. ISSPRO EV2 from Riffraff Diesel. What would you like to know?
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Postmaster
Joined: Mar 2008
Posts: 4,158
Likes: 0
From: Paramount, Ca
What size injectors you guys are running, what turbos, if you went to a second turbo, had to do headgaskets. I have done a fuel pump upgrade, 1.5 injectors, dp tuner, and the mandatory bolt ons. I want to do a T4 and go from there. Do I have enough injector to run a T4, what boost could I get from a smaller turbo, will I lift the heads?
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
Heads don't lift easily on a 7.3L, but I don't know those limits. The valve springs are the real worry. If one opens from excessive pressure and the piston comes to the top with it open - "open" is exactly what can happen: You can open a window on the block. I don't know if the "1.5s" (160/30 or /80?) can get you there, no matter what turbo. I have 160/100s and a GTP38R without sooting problems. If I tweaked it and ran my race tune, I might sneak up on 40 PSI boost - but I don't want the expense of pushing the truck that hard.
Gaugepro is our resident expert on learning the limits of the truck and what hardware puts you on the guardrail - or over it.
Gaugepro is our resident expert on learning the limits of the truck and what hardware puts you on the guardrail - or over it.
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Postmaster
Joined: Mar 2008
Posts: 4,158
Likes: 0
From: Paramount, Ca
I was debating going to a 60 gauge but I doubt I will get that high. I need to replace my turbo but want to go to a 1.0 housing. Have had a van turbo waiting to go in but kind of afraid of going to big with the 1.15 and having lag and smoking out the street before it spools.
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
"Inside the guardrail" - staying within norms or safe limits.'
"On the guardrail" - pressing the limits.
"Over the guardrail" - you broke it.
"On the guardrail" - pressing the limits.
"Over the guardrail" - you broke it.
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Postmaster
Joined: Mar 2008
Posts: 4,158
Likes: 0
From: Paramount, Ca
Yeah, I broke it a few times. But I swear it was like that when I got there.. Compressor wheel, transmission, and for some odd reason the rear calipers caught on fire. Darnedest thing.
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