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  1. S

    Help finding the part number

    Yes, my thoughts exactly. Workshop manual goes in all details about connecting it in bellows replacement section, but no mentioning of grounding wires in pivot housing removal section. My leading guess is that this wire should go under water hose clamp, but I see no traces of broken off peace...
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    Help finding the part number

    I am installing a new outdrive (DP-SM 1.95 P/N 3868913). Unfortunately, the old one was removed by a VP tech, so, I did not see how the grounding cables were connected. I am seeing a loose grounding wire connected to the pivot housing. VP shop manual has no mentioning of this wire. I am also not...
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    New DP-M outdrive install: need advice

    Thanks, Bruce. I've been leaning towards this option myself. Do I need a lift or any other special tools to do this? As for the VP dealer, I am unpleasantly surprised myself. I had business with these guys for 5 years including two big jobs. They quoted me the outdrive with 40% markup, which...
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    New DP-M outdrive install: need advice

    Should be exact match. I am replacing the entire assembly (upper and lower units)
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    New DP-M outdrive install: need advice

    So, I need to replace the outdrive on my boat. I managed to buy a new VP DP-M 1.95 outdrive from an out-of-state dealer who secured a batch of the outdrives while VP announced that they were halting the production. Now my local VP dealer is refusing to install it (while being unable to get one...
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    DP 1.95 SM outdrive hosed

    I changed the oil last season (VP recommended oil). In the beginning of this (passed) season I looked at the dipstick, the oil looked clean and at normal level.
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    DP 1.95 SM outdrive hosed

    The model I have on the quote is DP-S 1.95 . The drive is original, i.e. came with 1997 Pursuit Denali 2460. It was rebuilt 4 years ago and, as I said, was not showing any signs of trouble this spring (no water in oil, normal oil level). The boat value is around $20K at this point.
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    DP 1.95 SM outdrive hosed

    So, I just got a "Christmas present" from my marina who told me that I will need a new outdrive ($10K+ with labor costs). The outdrive is a dual prop SM model 1.95 gear ratio (just in case it matters). The outdrive was serviced 4 years ago. At the time the water was found in gear oil as a...
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    Help with interpreting AFR gauge readings

    So, I've been trying to tune my new Holley 4160 (600 cfm marine carburetor model 80551) on 5.7 block. Had to increase main jets from #63 to #71 and switch to black (strongest) vacuum secondaries spring. Still have hesitation around 3500 rpm before the surge at WOT (as secondaries open). I don't...
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    Spark plugs for 1997 5.7GI

    I have a 1997 5.7 GIPLKDCE that had the block replaced and switched to a carburetor. So I am trying to understand my options for spark plugs. According to VP, the original engine needs 3851861, which I cross-referenced to Champion RV15YC4, and this is what VP mechanic installed few years back...
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    need help figuring out how to remove a starter from a 1996 4.3GL

    I had to contend with this problem myself last season (I have 1997 Pursuit with 5.7 carbureted engine). It was no fun but I did manage to replace the starter without disassembling anything else. It helps to have long hands and a quality ratchet. I was able to reach both bolts holding the...
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    Tuning Holley 80551 (4160)

    Update: So, I spent another day on the water attempting to tune (brand new) 750cfm Holley. The conclusion I am coming to is that 750cfm is WAY too big for my engine (350ci). No matter what I do I cannot get rid of the severe bog between ~1000 and ~2000rpm. Going bigger or smaller main jets only...
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    Tuning Holley 80551 (4160)

    This is a "sister" thread to my other thread on tuning a smaller (600cfm) Holley. After failing to reach perfection with tuning a 600cfm Holley (going on 5.7 stock engine) I got my hands on a bigger Holley (750cfm). Runs a bit better out of the box compare to the 600cfm Holley (out of the box)...
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    Tuning Holley 80551 (4160)

    My final settings are: #71 main jets (going to #73 felt less crispy), #35 power valve (did not feel much difference to be honest between stock #25 and #35 but settled on #35 to be consistent with VP), BLACK secondaries spring. These settings give me nice crispy response all the way from idle to...
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    stuck 3000 rpm max

    You might want to check your ignition advancement. I had similar problem that I eventually traced to a faulty ignition module that stopped advancing. You should be seeing ~30 degrees @3000 rpm
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    Tuning Holley 80551 (4160)

    So, I've been thinking about my own question - why my new 600cfm Holley is so much off tune in stock configuration. Holley's answer to this: the carb is sized incorrectly. My choice of 600cfm was determined by the size of the carb I had prior - Edelbrock 1409 (600cfm). (Edelbrock was installed...
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    Tuning Holley 80551 (4160)

    What was your idle RPM? Mine are set to 600. I see vacuum going up to 20in or higher (did not take exact measurement) ~ @800rpm as I give it just a bit of throttle.
  18. S

    Tuning Holley 80551 (4160)

    The idle vacuum is 18in "neutral" and 16-17in in gear.
  19. S

    Tuning Holley 80551 (4160)

    So... I swapped a stiffer secondaries spring. The stock spring was medium, so, I went for the brown one (one step down from the stiffest). Big improvement! I got maybe another 1000 rpm of usable medium range. I still feel secondaries kick in but much later. There is still a "surge" though right...
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    Tuning Holley 80551 (4160)

    Looks like I need your wisdom again. So, replaced the stock secondaries spring (red) with the white one (the softest spring in the kit). Went out for a test run with new spark plugs and vacuum gauge connected. No appreciable difference. Still getting the "surge" at WOT (flat spot before WOT)...
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