You might need to ease up on your "low buck" fuel mod a touch to get the EGTs to drop. How many turns did you go?Wish I could get mine there it idles at 600 EGT's.
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You might need to ease up on your "low buck" fuel mod a touch to get the EGTs to drop. How many turns did you go?Wish I could get mine there it idles at 600 EGT's.
1 1/2 on the rear nut but it was 1000-1100 before i even messed with it.You might need to ease up on your "low buck" fuel mod a touch to get the EGTs to drop. How many turns did you go?
I'd also like to know more about your HX50 acquisition. Is it a genuine Holset, or Chinese clone ($249 on eBay)? Is this the turbo that you installed and now have higher EGT's with? What did your intake boost pressure do from H1E to HX50? Also how is response (spool) time? I think your EGT probe or gauge is inaccurately high by several hundred degrees. Do you have another you could borrow from somebody? Or, maybe you have an injector leaking fuel and it is burning in the manifold? Just seems too hot compared to nearly all others....The stock turbo was a h1e I just ordered a hx50 and governor springs when I said I set the low fuel I meant low buck fuel adjustment this helped acceleration I have not messed with timing at all and have not even checked it yet I need to read more cause I am not sure how to adjust it. There is no muffler on the vehicle its a straight 4" pipe. Even before I adjusted fuel pump EGT's where at 1100 at 60 mph or under hard acceleration it will go 1300. Thanks for input will keep updated if anyone tries adjusting timing and temps go down please post.thanks marty
Well I can't say I've hit the gov in mine, but I only did 2 clicks and my wife has called from the chase truck to say SLOW DOWN cause I was pushing 70 to 72mph.so what kind of RPM's are you guys getting by just turning the gov springs 2 clicks?
Yes it is a clone didn't come in yet if it helps will by a good one but didn't want to buy something expensive just to try already been burned with that on last turbo, was promised new unit from guy ended up looking like it was drug by the truck and not in it, I have checked gauge with secondary thermo, I have two ports on engine one pre, one post turbo and they run about 100-200 difference, also swapped them around and they read the same the other way. I was think thinking of having injectors tested, cause when I got truck if you pulled out of drive way you better have traffic at least a mile away cause you could count to 5 before it would even start to accelerate. I just welded a port on the intake tube going into the engine and plan on installing PSI gauge before I change the turbo also.I'd also like to know more about your HX50 acquisition. Is it a genuine Holset, or Chinese clone ($249 on eBay)? Is this the turbo that you installed and now have higher EGT's with? What did your intake boost pressure do from H1E to HX50? Also how is response (spool) time? I think your EGT probe or gauge is inaccurately high by several hundred degrees. Do you have another you could borrow from somebody? Or, maybe you have an injector leaking fuel and it is burning in the manifold? Just seems too hot compared to nearly all others....
Yeah, there's enough. The tubes fairly thick, almost a 1/8th inch if I remember right. Mine's been in a year with no sign of problem. When I was running the pump the most I saw was 35 psi and I turned it down from there. I normally see 28 psi max.If you installed it into a tube, is there enough thread engagement to hold back +40psi of pressure, and reliably with vibration over time? NPT threads usually like to have a lot of meat to bite for their wedge design to work properly. I'm guessing there is only 1 thread of engagement between the tube and fitting. I also bought bungs to mount temp probes in tubes before and after a front mount charge air cooler.
No EGT's were fine and it was making awesome power. A little too awesome. ..... The truck was lunging hard with the up shift into 3rd and 4th. It would shift and not pull the engine rpms down like it normally would, but instead accel rather quick when it shifted. I didn't think the Trans would hold together long like that. So I turned it down to what I felt a safe level so it was behaving appropriately.Useful info, thanks. Did you turn fuel (boost) down due to EGT's?
I went 2 clicks on gov springs and rpm's max at 2500Well I can't say I've hit the gov in mine, but I only did 2 clicks and my wife has called from the chase truck to say SLOW DOWN cause I was pushing 70 to 72mph.
40 psi and 1600 degrees? Sorry for your motorOk finally got my gauges installed. Mods so far to the truck are 4k governor springs, cut out the inside of the muffler, adjusted the rack travel and the fuel nuts turned to the max. Last nights test ride: it'll push 40lbs of boost and from a dead stop full throttle take off it'll put the egt's at 1400 by the time it hits 3rd gear. Keep in it and it'll be 1600 right as it's ready to hit 4th. so now it'stime for a few other mods to get the egt's back down. Thinking 5" or bigger exhaust, open up it's breathing apparatus, and fit some sort of intercooler on. and if we have to, water/methanol injection.
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