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Recent content by petesim

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    81 Overheat

    "After a great weekend I was f "After a great weekend I was flushing my 8.1 and to my horror it started to overheat while running on the hose. (around 200f)Normally it will idle happily indefinitely while I climb down onto the ground and grease the gimbal bearing etc.Suspecting the Raw Water...
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    GI 81 Exhaust balance hose

    "Hi, I'm about to change t "Hi, I'm about to change to "through transom" exhausts on my 8.1 and was wondering if the balance tube/hose is critical to engine performance/health.Obviously Volvo put it there for a reason, but in an effort to minimise clutter around the engine I would leave it out...
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    GI 81 Electrical Schematic

    Can anyone tell me if I'd Can anyone tell me if I'd find an Electrical Schematic for my GI 8.1 on the WEB anywhere. Regards Simmo.
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    GI 81 Alternator

    Has anyone ever replaced the V Has anyone ever replaced the Valeo Alternator on a 8.1 with a Bosch or similar. The Valeo (OEM) is ridiculously expensive and apparently not that reliable. The only problem seems to be that the Valeo has fairly unique mounts on it. Any expieriences shared on this...
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    Fitting a Dry Exhaust System

    "I'm interested in fitting "I'm interested in fitting a dry exhaust system to my GI 8.1 and was wondering if there is a blanking plate available to cut off the water between the manifolds and risers. Also would this affect the engine tuning or would the ECU adjust accordingly. I'm hoping to...
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    EFI Code Reader for 2004 GI 81c

    "I'm looking for info on b "I'm looking for info on building a code reader to check faultcodes in my 8.1 as I'm having trouble getting hold of one. I see a post from Jim N on May 08 2006 on how to make one but I was a little lost. Jim says to locate Pin A & B and E on the Diagnostic plug. I'm...
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    GI 81 Derate

    "Hi, My GI 8.1 started backfi "Hi, My GI 8.1 started backfiring and spluttering a while back when I gave it a quick run at WOT. I suspected water in the fuel and so changed filters. There was a little water in the filters but not too much. Ever since that day the engine has been using approx...
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    GI 81 Misfiring

    "Hi, Had my boat out last wee "Hi, Had my boat out last weekend and all good untill returning home , I gave it a quick burst at WOT and to my horror it started making some horrible banging noises like it was backfiring or misfiring.(I don't believe it was a mechanical noise). I backed off...
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    DPSM corrosionelectrolysis

    "I've just dissassembled m "I've just dissassembled my DPSM outdrive and transom assembly and I'm pretty dissapointed with the corrosion in it and the degree of difficulty in dissassembling it considering it's only three years old and has only 150 hrs on it. I don't believe the electronic...
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    SX MHP Transom Assembly Gimbal Bearing

    "Hi, Does a new Gimbal bear "Hi, Does a new Gimbal bearing come with the outer aluminium housing and metal band or do you remove bearing and reuse this part. Also is there any info available on fabricating a bearing installation tool and an alignment tool. What holds the plastic grease...
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    DPSM Gimbal Bearing Replacement

    "Hi, I have a GI 8.1C and DPSM "Hi, I have a GI 8.1C and DPSM drive. The unit is approx 3 years old but has only 150 hrs on it. it has sat for approx 9 months while I built a new boat trailer but I ran it every month or so. After finally finishing the new trailer, I put it in the water for the...
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    81 Jackshaft kit availability

    Hi. I'm having no end of t Hi. I'm having no end of trouble trying to locate a dealer that can give me a price and availability on 8.1 jackshaft parts. It appears that no one here in Australia has ever bought or fitted a jackshaft to an 8.1. I have even supplied part numbers to dealers over...
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    81

    "I have a VolvoPenta GI 8.1 wi "I have a VolvoPenta GI 8.1 with a loud induction wail aroung 2800 - 3000rpm. Have any crusader owners had this and more to the point, is there a fix?"
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    Raw water pump 81

    I'm moving my engine forwa I'm moving my engine forward 4 feet and fitting a jackshaft. Do you think the raw water pump will pull the water this far from the drive pickup or do you think I need to fit a through hull pickup closer to the pump.
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    GI 81 Exhaust system

    "I see that the exhaust outlet "I see that the exhaust outlet in the DPS drive for my 8.1 is only approx 3". I was considering disconnecting the exhaust through the drive and installing through hull exhausts. I would use 2 x 3" outlets. Would this effect engine tune at all or would I require...
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