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    Installing a Turbo? Read This!

    Bad advice. Must have come outside of here because I think it's in the "strongly advised" category, if not "mandatory" with this gang... and rightly so. The IDI wasn't designed for a turbo and age plays a part so it's almost a sooner or later thing. My truck went about 15 years before it blew...
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    Internal vs external alternator regulation

    Internal regulators are also subject to heat. At high output, an alternator gets HOT! That's why most OE style (often internally regulated) alternators are only rated for a 50-60% duty cycle, If you check out industrial. 100% duty cycle regulators, you will find they are externally regulated to...
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    Transmissions for IDI Engine Build

    E4OD (BTS) or 4R100 would be my vote. Good roadmaps to both of those solutions. A 400/800 IDI, IMO, is past the basic structure design limits. If it's intended to be a toy, and your mindset is there, expecting a relatively short life, no problem. If you are thinking a tow/work engine or...
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    quick question kinda important about oil

    Teachable moment: Did you know that 40 grade oil has the same viscosity, measured in centistokes, as 90 grade gear oil? How can this be? Engine and gear oil are two different grades. Remember the "40" or the "90" are viscosity grades not a measurement of viscosity and engine and gear oil are...
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    quick question kinda important about oil

    To the OP: No worries short term. Your engine hold 10 quarts and adding 20 percent of another viscosity an brand isn't a huge issue. Slightly incorrect oil is way better than low oil. Oils are all pretty compatible these days so unlike many years ago, there is little danger of additive clash. It...
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    why do you drive a idi?

    Loyalty, I guess. Mine is an old friend of nearly 30 years. I bought a newer truck in 2008 to replace it but when it came time to sell the old boy... I just couldn't do it! In nearly every objective sense, the newer truck is superior but driving the old guy still brings a smile to my face. There...
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    Banks Gen 1 Turbo

    Yeah, that's different than my First Gen kit, which has a six bolt turbo outlet flange (PITA when the bolts get rusted in 15 years down the road).
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    Banks Gen 1 Turbo

    Look at the pics above in the attachments. One air box has rounded edges (1st Gen) and the other has square edges (2nd Gen). The kits are much the same otherwise but there are several small differences. They used a couple of different manufacturers of turbos but they essentially have the same...
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    Towing heavy at 20MPH

    Been doing this for 12 years now and have towed up to 31 tons of grain wagon. See my picture here on left. That's two 350 bushel wagons (with brakes). You do the math. Because a grain wagon puts no weight onto the rear tires and our trucks are very nose heavy/tail light, you most often need...
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    Banks Gen 1 Turbo

    Your first mistake is to let the butt dyno or "beliefs" even enter the conversation. Strap your 460 to a chassis dyno, get an average of three runs in the 1:1 gear, add 20-30% and you'll have an approximation of flywheel power output. 500-550 is not unreasonable to expect from a good non-stock...
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    Banks Gen 1 Turbo

    Flywheel? Easy. Certainly 500 lbs-ft-plus, easy peasy. You won't be able to reproduce that on most chassis dynos because most of them are eddy current and you can't load them at low rpm to get good torque reading at the engine's peak rpm (1400-2000 rpm). Power? If the engine is in good shape...
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    Banks Gen 1 Turbo

    I think $300 is a good deal but be prepared for sticker shock when you contact Banks for replacement parts. I priced the exhaust system some years back at nearly a grand. I have had a Gen 1 kit on my truck since '87 and 7K miles (it's an '86) and I like it. It's a little slower off the line...
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    First Coolant Filter Change

    This sounds right to me. Once the system is clean, it should generate very little material and do so slowly.
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    Rear diff options

    Riot... LSDs are not the least bit sensitive to viscosity (within normal ranges) and the Powr-Lok was a Dana product. So was the Trac-Loc. The Ford Traction-Lock (appearing only in the Sterling or Ford-built axles) was a completely different animal, though it operated similarly to the Trac-Lok...
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    Rear diff options

    Bear in mind that weight does have an effect on how the LS works and you said you were carrying a load.
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    Rear diff options

    Powr-Loks are noisier and crankier than Trac-Loks because they have more preload in the clutches, plus they have a ramping device that increases preload with torque applied... reverse torque as well. The viscosity of the oil has nothing to do with it. Bottom line, what you are experiencing may...
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    Rpms at 70 mph

    Thanks Chris! I just managed to fill my nasal cavities with hot tea after reading your post!
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    Rpms at 70 mph

    Warden's nailed it. Tire size will change overall gearing and what the tach or speedometer reads... assuming either was accurate in the first place. Don't know about '94s, but many (if not all) Bullnose trucks read about 10% fast with the stock tire diameter. About 2 inches more diameter...
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    GLOW PLUG TESTING

    If you want to test it on a Bullnose, remember I'm not far away. Not having any problems at the moment but...
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    C6 slips on shifts when cold

    In the trans trade, they call that "Morning Sickness." 80% of the time, it's the first sign of a worn out trans. Sometimes it's worn clutch plates but often it's low mainline pressure because hardened internal seals are allowing pressure leaks and they are harder and leak more when cold than...
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    air filter mod

    2009... yeah I missed that but how did it make it to the front of the post line? Anyway, I never miss a chance to pontificate ( : < ).
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    air filter mod

    Don't simply remove the snorkel and let the engine breathe hot air. Hot air costs power, probably as much as you gain (if, big IF, you gain anything) by removing the snorkel. If you remove it, replace it with something that flows better and brings in cooler air. On an NA engine, you loose a...
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    GV carnage. very ugly pics.

    Did I miss a post where Towcat described what he meant by "torque reversion?" To me it means something like an intended 5-4 downshift was 5-2 or 5-1. On a downslope! Even then, I would be amazed that the GV would fail in the way it did without some kind of an internal flaw..Anyway, we can put...
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    Intake valve and exhaust valve cleaner???

    I think this might be a case of hearing one too many gas company commercials about intake deposits and applying that info incorrectly to diesels ( : < ). Intake valve deposits are a thing of gas engines because vaporized fuel (and sometimes not-so-vaporized fuel) flows over them. The combustion...
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    Fluid specs?

    Great find! I have filed that PDF away for future reference. Grasshopper has snatched the pebble from many hands today!

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