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  1. C

    Help with lower unit u-joint (part number) for a V/P

    I have a DP-S (1997 vintage) on my boat. There were no tags on the engine or outdrive but with the help of some great people online we found the tag on the Transom Shield (411156762) that shows it to be a TSK SX-C1 which with a duo prop shows to be a DP-S 4112029783. When we run that DP-S...
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    DP-S drive...same as DP-S A or DP-S B?

    DIY parts identification is a really chore on boats...hell I've had dealers crew up. With the help of many people smarter than me we deterred that my drive is a DP-S although another identification on it says it was a SX-C1. Looking for a OEM V/P gimbal bearing and I think the number I need is...
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    older FI engine work with modern electronics in any way with conversion kits?

    I have a 1997 Pursuit 2460 with same era Volvo Penta engine (rebuilt). Don't have my specs handy right now but as I search for new electronics I'm curious if there is a world with a fuel injected engine that old has enough electronics and a way to interface with the modern dash electronics...
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    Default V-Drive water in oil? (ZF 45 IV)

    Gang...I'm helping a friend from the wakeboard world. He acquired his boat last year and is still shaking things down. First change on the ZF v-drive fluids and he noted in the aft (Vee) he it seems milky to him. I've told him to pump it out and let it settle for the night and we'll have a look...
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    volvo penta static fuel pressure questions

    I know most injectors list flow rates at 3 bar but I know late model GM's can use 4 bar thus impacting an injectors listed flow rate. I have a 1997 Gi engine and I want to confirm it's VP own FI system and the static pressure of the rail is in fact set to 3 bar like 97.4% of the FI word. I...
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    Often stalls when coming off plane

    1996 V/P 454ci with a DP-S1 with OEM fuel inject system. All injectors were tested about 1 year ago. We had this long block put in by a friend a couple years ago and we average 25 hours a season here on Lake Erie. If I come off plane and don't feather down the throttle it tends to stall and...
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    help with sticky throttle

    1997 vintage duo pro I/O I noted the last few times up on the lake that if I put the throttle into N (push in the button on throttle) and rev it forward or reverse the button never come out/back to allow it to lock back into gear. I usually have to resort to a few Fozie taps on the housing for...
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    I think I need to adjust my throttle...

    So late last summer we finally got my 1997 Pursuit 2460 in the water with a new long block. After chasing down a few pesky injectors I think we have a good running engine, but... I run out of throttle. This boat won't go over 3200RPM and about 30-31MPH and I've been scratching my head...
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    GM big block engine drain plug size?

    My exhaust manifolds have the nifty plastic drain plugs you can remove by hand and I'd love to have these on the block two. My 1997 7.4L has the two drain plugs on the block. I forgot to measure them over the winter for thread/size before I put them back in but I"m sure these are standard for...
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    what is this fuel system valve and what does it do?

    Going through the fuel system on my recent rebuilt engine. Had no ID plate but this is what I know. 1997 (Pursuit) with Volvo Penta 7.4L FI with Power Steering. One tech says it's a GLi another a GSi and one guy said it's a GXi but I don't see the later one even listed or those years in the...
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    What's this sender?

    1997 Volvo Pental 7.4L MPI I noted that the wire was off this sender. Oil pressure and water temp gauges are working...and I believe this wire has been off some time as the clip was very loose. Note the black canister off the t-fitting. This was on the port side toward the back of the engine...
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    7.4L GSi MPI (open cooling) anyone got a cooling diagram, having trouble understanding flow?

    First year winterizing the new long block. I've winterized before and have read 101 diagrams to have my bases covered but struggling to fully understand how the water flows from in to out of the engine. It looks to go from... freshwater pump to fuel injection pump to oil pump to thermostat...
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    1997 VP 7.4L GSi >> help with thermostat

    Restored a boat and put a new long block in. Going from salt water to fresh eater which is usually going from a lower to warmer stat. I'm in the 140F area so assumed I would need a 165F'ish thermostat but not seeing anything out there. Another said V/P never did a spec on any stat for my engine...
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    Help with MAP connector/wiring

    While trouble shooting injector issues after installing a new long block it was discovered the MAP wiring had disintegrated at the sensor. I'm sure I could get an ok job on this but I really need a new harness that I can splice in. Where would I source this connector and what do you call it...
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    7.4L, help with fuel injectors

    So I bought a new long block and didn't put new injectors in it. I believe we have one bad injector and the rest are tired. Boat mechanic buddy did quick night run with me and things I'm onto something with the old injectors. Although we are going todo a compression test next week due to the...
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    New long block oil recommendation (7.4)

    I've got a Gen6 (I think this is also called a L29) 454 of the 2006+ variety. It's a Volvo Penta setup but I know they are all GM big blocks. Volvo originally called for 30 weight but it's impossible to find in my area. I"m wondering if any multi weight would do for a new engine. The guy...
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    Volvo Penta Duo Prop Identification

    Accidentally getting a Phd in Volvo Penta's as I try to identify my Duo Prop out of a 1997 Pursuit with a 454ci 330hp. One article said the DP-SM showed up in 1997. I cannot find an identification plate anywhere and the salt water as done its damage on any exterior marketing materials...
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    Are all single engine setups standard rotation?

    I have a duo prop setup from a 1996 Pursuit with a Gen V 454ci. I don't want to assume all single engines are standard rotation! Thx.
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    Help with figuring out my engine an 8.1L VP from a 1997 Pursuit

    So I've been over on the VP inboard forum and have got little input. We have found little info on how to identify our 1997 8.1L engine in a Pursuit Denali with a VP outdrive. A recent document I have found (see attached) explains how to find the ID and it mentions that during our year range the...
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    1997'ish 8.1L: Help me get the specs...

    So my buddy has my 8.1L (fuel injected) taken out of my 1997 Pursuit Denali 2460 and is starting to get it apart for what we believe will be new pistons and such. I found a document on identifying VP engines but it doesn't seem to give us much as we can find no plate and no decal on this 8.1L...
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