HD automotive turbo kit

[frankenyota]

Is that fuel pump a standard replacement or a higher flow fuel pump?
I went with a bigger pump and an adjustable fuel pressure reg. The lean reading at revs with no load shouldn’t be an issue the concern would be lean under boost conditions, this is where you need extra fuel. Mine under boost is 12.7:1 on the wideband and sits around 14:1 normally at cruise

 

[Fj80oregon]

Is that fuel pump a standard replacement or a higher flow fuel pump?
I went with a bigger pump and an adjustable fuel pressure reg. The lean reading at revs with no load shouldn’t be an issue the concern would be lean under boost conditions, this is where you need extra fuel. Mine under boost is 12.7:1 on the wideband and sits around 14:1 normally at cruise

Denso 950-0226 bigger pump. Just concerned don’t want to detonate a new engine. This is my first turbo ever set up so being cautious. From what I have been reading about is around 14 at idle and 13 when normal driving. Not sure what would cause it to lean out so bad when in park and reving. What regulator did you go with?

 

[frankenyota]

I run a JRP multi gauge set up and have fuel pressure, boost, coolant temp and Intake air temps with the wideband which helps to see any issues before they become problems. I have been running my turbo set up with first 5 psi then went to 8 psi without issue, but it leans out at anymore boost, still on standard ecu. l did a lot of testing before fitting the turbo to make sure they wideband readings stayed the same and go rich under boost which you need. My job is working on turbo natural gas engines so that helps. I found my fuel pressure was too high with the 460 Walbro and had to add a turbo smart FPR800 adjustable fuel pressure Reg to sort that out. Might have the connections and fittings l used in my build thread.

 

[Rwhat]

Denso 950-0226 bigger pump. Just concerned don’t want to detonate a new engine. This is my first turbo ever set up so being cautious. From what I have been reading about is around 14 at idle and 13 when normal driving. Not sure what would cause it to lean out so bad when in park and reving. What regulator did you go with?

Any updates on the turbo setup?

 

[Fj80oregon]

Any updates on the turbo setup?

Like what? Have a couple thousand miles on it running strong! Upsized from 5psi to 8psi with zero issues. Summer is coming so will see if the temps change anything.
Under moderate boost I see around 11-12 AFR, at WOT I get high 10 to low 11 AFR so all should be good.

 

[Rwhat]

Like what? Have a couple thousand miles on it running strong! Upsized from 5psi to 8psi with zero issues. Summer is coming so will see if the temps change anything.
Under moderate boost I see around 11-12 AFR, at WOT I get high 10 to low 11 AFR so all should be good.

Hell yeah! I lost steam on working in mine last year. Finally got it wrapped up, but haven’t driven it. Welded a new fitting for the breather as it was hitting the throttle body intake hoses. Thanks for posting the pics. I realized I put the spring on the hot side of the turbo blanket. Blanket was rubbing my waste gate rod.

Where did you source the heavier waste gate spring? Also, I setup my boost pressure sensor just like yours. I then read in the instructions that it should be mounted remotely to prevent vibration damaging the sensor. I might do that eventually.

 

[Fj80oregon]

Hell yeah! I lost steam on working in mine last year. Finally got it wrapped up, but haven’t driven it. Welded a new fitting for the breather as it was hitting the throttle body intake hoses. Thanks for posting the pics. I realized I put the spring on the hot side of the turbo blanket. Blanket was rubbing my waste gate rod.

Where did you source the heavier waste gate spring? Also, I setup my boost pressure sensor just like yours. I then read in the instructions that it should be mounted remotely to prevent vibration damaging the sensor. I might do that eventually.

I’ll have to look up the waste gate spring it was a while ago.

 

[Rwhat]

I choose to route the intake to the turbo this way versus the Wits End way because I might throw a W2A intercooler on it and I’d need the space towards the firewall to do so.

The bad side is that I had to cut/extend the MAF connection on my brand new wire harness some and I had to tilt the MAF sensor. I’m not 100% happy with the MAF placement as it slightly touches the hood when it’s closed (technically, the lid of the air filter that touches). Nor have I made a new bracket to attach the MAF to the stock air box until I decide if I really like the current setup. My initial thoughts are to alter the lid of the air filter to accommodate the MAF and give a 1/4” or so more clearance for the hood. But for my testing purposes this works fine.

I’m finally finishing mine up after over 1.5 years. Did you have any issues with the wastegate actuator hitting the air box or did you shift it over? I notched mine out and sealed it. I see now I’ll probably have to trim the legs down on the air box to run the air box. I ran a cone hot air intake to get it running, but don’t want to run that. I had to take my second battery out to get more room to mock things up. Hoping to be able to keep it I there or fab a smaller box and run a smaller battery.

 

[Rwhat]

His problem is how far forward the turbo gets placed. It's outlet is right where the crank case vent is. The Wits End and Cruisers & Company kit sits further back to clear that. You almost need to clock the turbo to point up and then shoot over to the throttle body inlet with a 90 over the top of the turbo. Maybe sacrifice a hood brace to make the clearance necessary?

I ran into the same issue. Put a 90 degree hose to the breather and still hit the intake hose to the throttle body. Tried clocking the turbo down and pushing the hose down. I ended up pulling the nipple out and tig welding a plug to close it. I then drilled out to the side below the old fitting and tig welded a 1/2 npt bung into it. Haven’t welded much old dirty cast aluminum. Was a PITA. The first bung I welded on I was an idiot and chased the threads, but forgot the tap is tapered and went too deep and messed it up. I ended up just welding the other bung to it. The fitting i threaded in is an Amazon special. I decided to do it on the side of the valve cover as to stay in the area of the baffling of the VC. Hope this helps anyone else.

Also, due to the huge fitting I decided to thread in the 45 degree coolant line from turbo was in the way. Just changed the fitting out to clear it. Can use just a 1/2 mnpt 90 barbed also.