Pages: [1] 2 3 ... 10
 1 
 on: October 21, 2017, 06:22:10 PM 
Started by someotherguy - Last post by someotherguy
Really not a bad price when you consider it's a dealer including the TT&L with the price, that's about $2750 actual price before it goes through the tax and title process.

https://austin.craigslist.org/cto/d/1995-gmc-sierra-true-3500hd/6354154141.html

184K miles on it, lots of dealer hype in the ad and pics, but it does look like a solid truck.  Says the "pto boom needs maintenance" so I'm guessing the bucket may not work.  Claims to be former TX D.O.T. truck

Richard

 2 
 on: October 21, 2017, 06:04:03 PM 
Started by MrC. - Last post by someotherguy
The TBI 454's are not HP monsters but plenty of torque.  I'd strongly suggest going over everything first under stock parameters and be sure engine is in top state of tune.  Especially look at fuel pressure, including under load, which will require you to get an inline tee for your pressure gauge and an extension hose so you can hang the gauge under your wiper arm to see it in action under load.  If it's not at least 10-11 psi that's an area to address.

Once you start getting into playing with the timing you will want a scanner that can read live data and would be helpful if it does graphing too. Watch for knock counts and knock retard. Doesn't do you any good to add extra timing if it knocks enough to cause it to pull all that timing back out, and it can knock enough to do that without you ever actually hearing it - have proven this myself on a TBI small block.

Richard

 3 
 on: October 20, 2017, 08:10:04 PM 
Started by MrC. - Last post by RPF207
Never messed too much with timing on engines that didn't have big modifications but I do know that unfortunately you can't get much extra out of a tbi or vortec engine without spending a bunch of money to the point where you could've just installed an LS, built carbed engine, or a diesel. What I do know is when you start pushing the tbi and iron vortecs to make up for lack of performance you need to keep an eye on your trans, the old 4 speeds will start to get hot. Tbi and vortecs don't have the air flow potential.

 4 
 on: October 20, 2017, 04:05:13 PM 
Started by MrC. - Last post by MrC.
The base timing is 4 degrees BTDC on the 454, but from a towing/performance stand point, how much advance have you ran with good results?

I advanced mine to 12 degrees BTDC last night, with the tan wire disconnected, then re checked after setting it at 12, with the tan wire hooked back up, at idle it read 22 degress BTDC.
I have had great luck with SBC's set at as much as 32 to 34 advanced BTDC, but this is my first big block.
I haven't had a chance to drive the 454 yet to see if it pings.

My engine is stock.
I will be adding exhaust soon, probably 2.5 single, no cat and a flowmaster muffler.

MrC.

 5 
 on: October 19, 2017, 06:52:22 PM 
Started by MrC. - Last post by MrC.
Well after a lengthy fight with DMV, I had to have the truck scaled, with just the utility bed is scaled 7700lbs. I will find a flat bed soon, that should save some weight as well. I hope to get it down to close to 6500. I know this utility bed (reinforced Crane Body) almost maxed my tractor out and it can lift 3k.

Next up is some bolt on power adders and a good tune up. The stock base timing is 4 degrees BTDC (with tan wire disconnected) . I'm going to increase that to 8 and see how it runs.
It starts and runs smooth now, just seems to be weak pulling 10k. I know its not a modern diesel, but dang she is slow on a hill.
I took my tractor to town yesterday just to do some test pulls. I have never towed with a dually, I can tell a huge difference in just a few short miles. when changing lanes and maneuvering there is no sway or roll like with a single rear wheel truck, it seems very solid and stable with a load.

Here is a pic of my set up after about 40 miles and just driving around.
I did install a brake controller "Curt"brand,  tied into a yellow wire off the brake switch for my brake signal, works great.

MrC.


 6 
 on: October 19, 2017, 06:16:26 PM 
Started by someotherguy - Last post by someotherguy
Another rare one, not many of these you see pop up.  This is the HD van based on the similar chassis of the 3500HD trucks.  Solid beam front axle, 19.5's, etc. and this one's got a 454!

https://dallas.craigslist.org/ndf/cto/d/1995-gmc-vandura-hd-3500/6340998783.html

Interesting heavy duty van at asking price of $3295

Richard

 7 
 on: October 19, 2017, 06:13:08 PM 
Started by someotherguy - Last post by someotherguy
Crew cab with utility bed...not too many crew cabs you see come up.  Too bad this guy thinks the 6.5 is a Duramax; probably explains the $6900 price tag.

https://houston.craigslist.org/cto/d/1999-chevrolet-3500hd-duramax/6342591380.html

Still not a bad looking truck and only 99K miles.  Could be a good deal if you can get the seller to come back down to Earth on the price.

Richard

 8 
 on: October 18, 2017, 08:40:59 PM 
Started by MrC. - Last post by RPF207
I believe they were grade 8 bolts. This was two years ago. Truck looks great!

 9 
 on: October 18, 2017, 05:30:12 PM 
Started by MrC. - Last post by MrC.
Thanks for the heads up RPF207. Was it grade 8 bolts holding that pintle on?

Here is a pic after my first test pull.
I have to say it seems under powered. Once on flat road it handled great felt very stable and secure, but hills seem to really take there toll on the 454.
I loaded the tractor farther back and checked the over load springs to see if they were touching. with the tract towards the back of the trailer they did not touch at all but were closer than unloaded. so I moved tractor all the way forward on trailer. now one side of the helper is just barely touching, the other side is closer but does not touch. the backhoe weights 8500lbs and the trailer (6 ton) weights 2600lbs.

you can see the trailer is very flat at this hitch height. I used a straight tri ball for this pull.

Again, I hope this helps others needing a hitch.
I also installed a brake controller and R/V style plug all "Curt" brand. Install was pretty easy and works great. I had to tie into the yellow wire coming from the brake pedal switch for the correct signal for the controller.

Thanks
MrC.

 10 
 on: October 18, 2017, 11:05:48 AM 
Started by MrC. - Last post by RPF207
Just be careful with those bolt on pintles and a stiff suspension. We sheared all four bolts off the pintle pintle going over a bridge at only 40 mph. Trailer was only grossing 10,000 lbs. safety chains saved the day. On my HD I fabricated an overkill pintle plate with a 2 1/2" receiver tube and I have a one piece forged 2 1/2" pintle that slides in.

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