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if your talking about the idi thats in the truck in your "garage" then 15 lbs, if your talking about a psd, then that depends on what year the truck is.
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1990 F-350 LARIAT 4x4 7.3L IDI diesel ZF5. 1992 front with cowl induction hood, 1997 doors and tailgate. 2004 6.0l intercooler, PSD heated power and signal mirrors. AMSOIL bypass system, full synthetic system. 5.38's, 46" tires, 20" wheels, 12" lift with shackle reversal front, shackle flip rear. Ladder bars in the rear, 2" hydraulic assist steering, hydroboost brakes, onboard dual compressor air system. twin air horns, black interior, 100 gallon in-bed tank. 94 IDI-T motor, SMF conversion.
if your talking about the idi thats in the truck in your "garage" then 15 lbs, if your talking about a psd, then that depends on what year the truck is.
A PSD isn't a IDI...
__________________ Brownie (Evan)Ooh-Rah! Once a Marine Always a MarineOregon Chapter Member '95 F350 CC 4x4 - 7.3 PSD, 190k, Built E4OD, SRW Conv, 4x4 Conv, Rosewood Stage I's, PHP Chip, 6637 Intake, 3" DP, Lost Kitty, 4" Exhaust, 3" RSK, 38 gal rear tank, fuel vent mod, 140v IDM, HPX, FPR Shim, 3.55 gears '10 Escape, 200hp 3.0 V6, 4x4 - Stock
I cant see why it would not handle any less than 40psi without any problems, i know its a different beast than the psd but compression is much higher in a idi, still the same block more or less....
I cant see why it would not handle any less than 40psi without any problems, i know its a different beast than the psd but compression is much higher in a idi, still the same block more or less....
totally different, the idi and psd blocks are nothing alike. the cylinder walls are very thin on the idi, thats why the idi is prone to cavitation and the psd isnt.
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1990 F-350 LARIAT 4x4 7.3L IDI diesel ZF5. 1992 front with cowl induction hood, 1997 doors and tailgate. 2004 6.0l intercooler, PSD heated power and signal mirrors. AMSOIL bypass system, full synthetic system. 5.38's, 46" tires, 20" wheels, 12" lift with shackle reversal front, shackle flip rear. Ladder bars in the rear, 2" hydraulic assist steering, hydroboost brakes, onboard dual compressor air system. twin air horns, black interior, 100 gallon in-bed tank. 94 IDI-T motor, SMF conversion.
7.3 15 lbs, 6.9 10. Studded the 7.3 20-25 and 15-20 for the 6.9. PSD have something like 19.5-1 CR vs. the 6.9/7.3 IDI is 22 and 21-1. Decompress em and you can add that much more boost. IIRC they will handle something like a 65-1 corrected compression ratio.
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