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  1. M

    overreving at 4000RPM

    Hi guys,<br /> Finaly got to take the new to me Baja boat out for the first good and long get to know ya drive.The engine sound's strong,and responsive. I drove around at 3000rpm for about 45min stoping and takeing off geting to know the boat adjusting tabs,drive trim to get the best ride and...
  2. M

    bravo drain plud

    Does any one know where i could find the drain hole to drain the outdrive oil,I see the one on top but not the lower.<br />And how much oil does a bravo hold?<br /><br />
  3. M

    forcing water in waterpick up

    Hi guys,lightening does strikes twice in the same spot.<br />This new 6 hour old mag 454 mpi engine in my Baja has the same problem as the 23' wellcraft engine, gas in the crankcase.<br />I need you guys to let me know if this is possible. This is what I did, after my fiberglass job in the bilge...
  4. M

    idle adjustment

    Hi guys,<br />what a wast of long weekend here in Canada, I'm land bound because of the freak weather we've been having <br />My question.Where do I find the idle screw on this mag 454 mpi engine? The engine idles at 1000 rpm which I think is a bit to high.<br />What's the correct idle speed...
  5. M

    CRANE HI-6 M QUESTION

    Hi all, i bought this hi6m last year for my 23'wellcraft that had problems with gas being dumpt into the engine.I never got to use this box. <br />I bought another boat with a mag 454 mpi ,and was wondering if this Crane HI-6 M box will surve any purpus to this mpi engine? <br />thanks<br /><br...
  6. M

    LIGHTENING HEADERS 454 7.4LMAG

    Hi guys,<br /><br />I'm looking for a set of used lightening headers for a 454bb mag 7.4L engine.<br />I'll be travelling from Canada to Michigan/Wisconsin next week to pick up a boat and was wondering if you guys have any links as to where I could pick up a set of these headers on my way...
  7. M

    looking for 26' baja

    hi I'm looking for a 26' baja,single engine, with trailor,with a price range of 20 to 22k<br /><br /> http://www.yachtworld.com/core/listing/pl_boat_detail.jsp?currency=CAD&units=Feet&checked_boats=1428700&slim=quick& <br /><br />this one, the trailor is not included. ANY LINKS.<br /><br />THANKS
  8. M

    LOOKING FOR 502 SHORTBLOCK

    im looking for some web sites that sell's marine rebuilt engines 502 or 454 <br /> thanks
  9. M

    THUNDERBOLT IV DISTRIBUTOR SENSOR

    HI,i'm runing the thunderbolt IV on my 454bb 7.4L engine. the ignition box TB IV has v8 24 stampt on it. my question is, what's the correct distributor sensor for this ignition system?<br />could you give a part#<br />this sensor was installed last year,but there's no numbers on it.<br /><br />...
  10. M

    REBUILDING THE 454 AGAIN

    hi Gui's, i got the engine out the boat . the mechanic is allowing me to do the rebuild in his shop, with some supervision .i could work on the engine on Saturday's, something for me to do over the winter months. the engine is a 454 bb 7.4 L four bolt main . <br />he is going to fix the leaking...
  11. M

    engine proformance question

    --------------------------------------------------------------------------------<br />1]..befor my 454bb 7.4L engine was rebuilt my vacuem guage reading was 15''+_ . now it reads 10''+_. would a hotter cam reduce vacuem ?
  12. M

    LEAK DOWN TEST RESULTS

    The test from bristol marine did show leakage from ALL exhaust valves.they wanted to fix the problem for $1600.00, which i said no.I got the report from Bristol and gave it to the michanic last week.finaly he called today for me to bring the boat down to do another leakdown test,all readings...
  13. M

    INTAKEMANIFOLD PICTURES

    This is what the michanic did to the intake.what purpose does this surve? and the intake riser whats its purpose?<br /><br /><br /> <br /><br />
  14. M

    LEAKDOWN TEST QUESTION

    LEAKDOWN TEST QUESTION I got my hands on a snapon leakdown tester. befor preforming the test do i have to loosen all the rockers? Get the piston up to TDC on the compression stroke . The reason why im asking about loosening the roller rockers is because the michanic that built the engine...
  15. M

    Air Breathers Pumping Oil

    This is a picture of the KNN air filter with the rocker cover air breathers attached. After a weekend run the air filter is swamped with oil and dripping. How can I fix this?<br /> <br />Thank you
  16. M

    Picture of Crankcase dipstick hole

    Since I got back my engine from the rebuilder I have had a slight oil leak and I thought is was the oil drain line. I didn't pay much attention to it until yesterday when around 2 litres of oil was dumped in my bildge. I hunted the whole day today until I found the culprit. The dipstick cylinder...
  17. M

    SPARK PLUG READING

    I took some pictures of the plugs today after another break-in run. Are these plugs burning ok?<br /> <br /> <br />Does having to much white porcelyn means the engine is burning lean?<br /> <br />Is this a pcv valve? This thing was loading water vapour in my rocker cover. Is this a mercruiser...
  18. M

    Need Help Adjusting Timing with Timing Light

    Hi all, <br />I bought a Innova 3555 timing light today that has advance timing up to 60 degrees. This engine has a Thunderbolt IV that has a stamp on it that says V824. The last 2 digits are (24). Is this my total timing? 8 degrees top dead centre plus 16 degrees = 24 degrees top dead...
  19. M

    RINGS AND PISTION question

    I used the pump that's used to fill the lower unit. I pumped 2 squirts of 20w-50 oil into each cylinder and left it overnight, then tumbled the engine today only #6 cylinder spat the oil back out. Are the rings gone? Could oil pass the rings?......What conpression should I get with a new block...
  20. M

    ADJUSTING A 4 BARREL HOLLEY

    Hi,<br />I had the 23' Wellcraft on the lake today to add some hours to the break-in process but I never went past 3500rpm until today. I took it up to 4000rpm and back down and when the secondary opened on the 1410 Ebelbrock it was missing/surging. It felt as if it wanted to go but couldn't...
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