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Old 01-09-2011, 03:22 PM
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bhelms22 bhelms22 is offline
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Default TurboMaster

Anyone who has bought Heath's Turbomaster, do you have to have a boost gauge to calibrate the boost pressure?
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1998 K2500 Silverado Reg Cab/Long Box, 6.5L/NV4500
PMD/#9 in bumper, K47, Bosch Injectors, Duraterm Glows, MaxETork PG, 4" Straight Pipe,
TurboMaster, Bowtie Boost & Pyro Gauges, 180* Thermostats/DMAX Fan, 113,000 miles

1979 GMC K15 Sierra Grande 350/SM465 "The White Mule"
695K+ miles on Body/Tranny/Axles, bored .60 w/flattops, Longtubes, No Emmisions, 180* Thermostat

1998 Tahoe LT 4x4
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Old 01-09-2011, 10:42 PM
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I actually fabricated my own mechanical waste gate controller. But to answer your question the only way to adjust it is to have a boost gauge. You by no means want to go past 15 psi.
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1997 GMC 1-ton Dually 4x4 crew cab, 4.10 gears, homemade mechanical boost controller, 2.5" crossover pipe, 3" downpipe, 4" exhaust, 19 mpg thanks to the propane injection kit, Remote PMD, marine injectors, instant heat glow plugs and just turned 141,000 miles
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Old 01-09-2011, 11:01 PM
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Default

Quote:
Originally Posted by bhelms22 View Post
Anyone who has bought Heath's Turbomaster, do you have to have a boost gauge to calibrate the boost pressure?
It is ajustable so it may be set right or wrong when you get it.
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Grant H.
1994 6.5 turbo GMC K2500 HD suburban "F" VIN FSD heat sync #9 resistor, PMD in the bumper, no cat, mechanical waste gate, 220,000 miles, 4L80E Positrac 3.73 diff, 17 mpg highway.
1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.
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Old 01-10-2011, 11:24 PM
JD_countryboy JD_countryboy is offline
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Overpriced!!!!! Man for under $10 you can go hardware store, buy you a piece of SS allthread, a couple nuts, and a spring, and in less than a half hour make it yourself. Deerefanatic posted with good pics how to do it on this site I think his post is titled "$0 boost controller" he made his from spare parts around his shop.
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93 chevy K2500 6.5TD 4x4 4l80e auto
Custom flatbed with foldaway gooseneck ball
SSDiesel DB2 injector pump marine injectors
Upgraded turbo ( no id tag but lots of boost)
SSDiesel 4" exhaust, no muffler, SS crossover
Rebuilt 4l80e tranny Transgo stage 2 shift kit
rebuilt HD torque converter
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Boost, Pyro, Tranny gauges in A-pillar
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SS Diesel Cooling upgrade, single tstat Dmax fan,
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  #5  
Old 01-12-2011, 10:35 AM
trukdoc trukdoc is offline
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Default ...learn how...

...to use your boost gage and pyrometer then wire it shut
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Old 01-13-2011, 01:03 PM
Racer5551 Racer5551 is offline
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Quote:
Originally Posted by trukdoc View Post
...to use your boost gage and pyrometer then wire it shut
If you are reffering to wiring the wastegate shut then thats good advice if you like doing head gaskets.

Driving by gauges and limiting boost with the throttle makes for a lot of angry folks folowing you up hills when the boost,egt spike and you have to roll out of the throttle or have the ecm defuel from high IAT's to keep the engine together.

Turbo master or repair the vac system is much more user friendly.

Another alternative is KOJO TUNE and A TEAM TURBO.
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  #7  
Old 03-10-2011, 02:41 PM
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if you wire it shut AND add fuel, it will spike to about 19 and sustain 15 psi and if you dont add fuel it will spike to 21 ish and sustain 18. . . my friend has a 93 just like mine, mine has 267,000 miles and his has 315,000 miles he hasn't blown a head gasket or anything, never goes above 700 on the egt's unless he's pulling a trailer over 75 mph. . . also it did hit just above 900 one time when he was racing his brothers cummins. . . but there's no worries with that. . . he has a gm-4, AFE intake, 4" exhaust, pump turned up 1/3 turn, and the wastgate shut. . . its acutally pretty fast.
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"Old Yeller" 1993 Chevrolet k2500 4x4 SCLB, 6.5TD w/ 269,XXX miles. 3"DP, 3" straightpipe, "swiss cheese" aribox, wastegate wired so it only opens 1/2 way. Custom built flatbed, 1 ton rear axle, NV4500 transmission. Lots of future plans money is too tight right now.
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Old 03-10-2011, 09:32 PM
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6.5 Knuckle Buster 6.5 Knuckle Buster is offline
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Default Sounds like trouble

Can't argue with your milages while running high boost number, but I have always been told 15 psi is the max of max on 6.5s for any amount of frequency. Without high end head bolts, and new head gaskets, sounds scarey. 6.5s already have enough problems with cracked heads, and snapped cranks to show them that kinda whoopin very frequently. I only hope to get 367,000 mile on mine w/o exceeding 14-15.
Don't those EGT sound pretty low too? Are we sure the gage is accurately calibrated.
Good luck guys.
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98 3500 6.5, dually dump, downpipe, straight exhaust, K&N #9 resis in PCM w/ cooler, B&M trans prog, marine injectors, Western plow, engine rebuilt @231,000 mi
1993 GMC TopKick 50 boom trk w/ 3116 Cat
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  #9  
Old 03-10-2011, 10:08 PM
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Only running 14-15 psi. I aint so sure about those EGT's, I can see those numbers after the turbo maybe, it's nothing for mine to hit 700 or 800 pulling a trailer.
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1998 K2500 Silverado Reg Cab/Long Box, 6.5L/NV4500
PMD/#9 in bumper, K47, Bosch Injectors, Duraterm Glows, MaxETork PG, 4" Straight Pipe,
TurboMaster, Bowtie Boost & Pyro Gauges, 180* Thermostats/DMAX Fan, 113,000 miles

1979 GMC K15 Sierra Grande 350/SM465 "The White Mule"
695K+ miles on Body/Tranny/Axles, bored .60 w/flattops, Longtubes, No Emmisions, 180* Thermostat

1998 Tahoe LT 4x4
1974 Firebird Formula 400

Dad's
2004 GMC Yukon XL 2500 SLT 4x4
1995 GMC Suburban K1500 SLE
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  #10  
Old 03-10-2011, 11:12 PM
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these are pre turbo measurements, installed by my friends brother who is an ASE certified diesel mechanic. . . it wasnt hard to see upwards of 900-1000 before he put the air to it. . .doubling your boost from 7 to 14 psi makes a world of difference in your egt's he never went above 700 (granted he only had it without the fuel tuened to it for a week) and power gain is incredible. . .once you turn the fuel to it the egt's go 150-200 higher more easily, but you sustain 3-4 psi less boost.
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"Old Yeller" 1993 Chevrolet k2500 4x4 SCLB, 6.5TD w/ 269,XXX miles. 3"DP, 3" straightpipe, "swiss cheese" aribox, wastegate wired so it only opens 1/2 way. Custom built flatbed, 1 ton rear axle, NV4500 transmission. Lots of future plans money is too tight right now.
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