Bigger Turbo for Stock Injectors - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 35 (permalink) Old 01-06-2007, 05:03 AM Thread Starter
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Question Bigger Turbo for Stock Injectors

what would be the best turbo for my truck while keeping stock injectors. it would be nice to get bigger injectors but the mpg wouldnt be nice. so what would be the best performing for my truck while not having to worry about blowing head gaskets and such, i still want it to be dependable.
:thanks: guys

SAM
Late 99 F-250 CC SWB Lariat 6 sp. 4x4 - the mods= Garrett GTP38R Turbo, DDP Stage 2 Single Shot Injectors. Shimmed Regulator, CCV Reroute and HX Hose from Dfuser, 4" turbo back straight pipe to GR 5" stack kit w/ 7"mitre cut stacks DPPPOWER.COM, AFE Stage 2 Intake w/ PG7, DP Tuner F5 Chip, 18K Mod Dfuser, SouthBend Clutch, Pro Pods quad a-pillar pod, Autometer Ultra-Lite Series Guages ( EGT, Boost 0-35, Trans Temp, Fuel Pressure and Engine oil temp.), Pro tech cab guard, WELD Sidewinders. Road Armor's!!! Custom Pro Tech toolbox/stack cover, , Sirius Sat. Radio, BD Exhaust Brake, 06 Towing Mirrors w/ LED blinkers and heated
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post #2 of 35 (permalink) Old 01-06-2007, 02:59 PM
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go with either the Tn or BB the bbwillhave less lagand more whistle. you can add injectors with out a loss in MPG just go with single shot injectors. stage 1 or 2 should be fine with out needing a head gasket
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post #3 of 35 (permalink) Old 01-06-2007, 04:25 PM
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Like Jeremy said, TN or GTP-38r... Doesnt matter what turbo you put on there, you will not build enough boost to hurt the heads without more fuel.

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post #4 of 35 (permalink) Old 01-07-2007, 04:51 PM Thread Starter
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ok thnx guys! jeremy can you pm me a price on those two, please?

wat kind of numbers (boost) will i see with those turbos?

SAM
Late 99 F-250 CC SWB Lariat 6 sp. 4x4 - the mods= Garrett GTP38R Turbo, DDP Stage 2 Single Shot Injectors. Shimmed Regulator, CCV Reroute and HX Hose from Dfuser, 4" turbo back straight pipe to GR 5" stack kit w/ 7"mitre cut stacks DPPPOWER.COM, AFE Stage 2 Intake w/ PG7, DP Tuner F5 Chip, 18K Mod Dfuser, SouthBend Clutch, Pro Pods quad a-pillar pod, Autometer Ultra-Lite Series Guages ( EGT, Boost 0-35, Trans Temp, Fuel Pressure and Engine oil temp.), Pro tech cab guard, WELD Sidewinders. Road Armor's!!! Custom Pro Tech toolbox/stack cover, , Sirius Sat. Radio, BD Exhaust Brake, 06 Towing Mirrors w/ LED blinkers and heated
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post #5 of 35 (permalink) Old 01-07-2007, 06:11 PM
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If you don't add any more fuel than you already have, you could actually see less boost, becuase it's a larger turbo than stock. If you are going to stick w/ stock injectors the BB should have faster spool up, but the TN model has some new exhaust housing to play w/ so that gives you some flexibility. A set of injectors doesn't mean that you will get less fuel economy, if you can keep your foot out of the go pedal the tuning can be done to where your fuel economy won't really change. Then when you ask for more fuel you have it. You might want to consider a van turbo or just an ATS ported housing. Do you feel you are making to much boost currenlty, or just time to upgrade? Just somethings to think about before you spend your money.

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post #6 of 35 (permalink) Old 01-07-2007, 07:36 PM
 
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I'd look at the TN unit with a .84 custom housing. It will spool faster than a Garrett, and not lag. CSIPSD is testing one now.

TN unit with polished compressor cover, with .84 housing.

Boost with the .84 and stock injs, a hot chip, should push 30+. The TN with a 1.00 would be in the 26 range.
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post #7 of 35 (permalink) Old 01-08-2007, 04:18 AM Thread Starter
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d2hp and bbunting
it spools up ok, it hits 28-29 then drops to 20-21 and stays ther even though im still on the gas pedal. then after a couple of seconds it will spool back up to 28 then goes back down to 20. so i would like to see it keep on spooling instead of it spooling up then defueling then spooling up again.
am i experiencing turbo surge or lag? wil you guys please fill me in on what is going on.

thnx guys!

SAM
Late 99 F-250 CC SWB Lariat 6 sp. 4x4 - the mods= Garrett GTP38R Turbo, DDP Stage 2 Single Shot Injectors. Shimmed Regulator, CCV Reroute and HX Hose from Dfuser, 4" turbo back straight pipe to GR 5" stack kit w/ 7"mitre cut stacks DPPPOWER.COM, AFE Stage 2 Intake w/ PG7, DP Tuner F5 Chip, 18K Mod Dfuser, SouthBend Clutch, Pro Pods quad a-pillar pod, Autometer Ultra-Lite Series Guages ( EGT, Boost 0-35, Trans Temp, Fuel Pressure and Engine oil temp.), Pro tech cab guard, WELD Sidewinders. Road Armor's!!! Custom Pro Tech toolbox/stack cover, , Sirius Sat. Radio, BD Exhaust Brake, 06 Towing Mirrors w/ LED blinkers and heated
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post #8 of 35 (permalink) Old 01-08-2007, 07:02 AM
 
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Your truck is defueling cause of overboost unless you have a fooler on there or valve or blocker.Just a WAG.
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post #9 of 35 (permalink) Old 01-08-2007, 02:14 PM
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You would be pretty aware if it was surging (strange noises, and the truck just seems to kind of stall at that power level and not really pull anymore). Seems to usually start around 1800 rpm. Do you get a check engine light coming on when you make 28 lbs of boost, if so you need something to fool the map into thinking it is only seeing up tp 24 lbs or so. Hope this helps, let me know if you have more questions.

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Dave D's Truck: 2002 ECLB Built Ford Tough Package 6" DR lift kit, Bilstein 5100's, 36x15.50R20 MTZ's on 20x10 114 Eagle's, Randy Ellis Bar w/4 8" Stainless ProComp 130W Lights, Custom tunes from DP Tuner, 05 Harley front end, D2HP transfer case and 1 piece Al driveshaft.

Becky P's ride: 2002 Limited Excursion, DVD, heated seats, TS and DP tunes, Edge Juice & Attitude, Dual exhaust, Bilstein stock replacments, AFE.
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post #10 of 35 (permalink) Old 01-08-2007, 03:36 PM
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Quote:
Originally Posted by bbunting
I'd look at the TN unit with a .84 custom housing. It will spool faster than a Garrett, and not lag. CSIPSD is testing one now.
From what he was saying on another forum it sounds like his drive pressure is a little on the high side with his new housing. I don't know if he's got stock injectors or not but it sounds like that might be a great housing for stock injectors or maybe even stock programing.

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