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I read your post 4.38 pm about the oil pressure, so I popped out to start the engine up, looks like you need to fire up the engine to get some revs before any sign of oil pressure as you found out. Excellent work can’t wait to see the video of the total rebuild; you did record it on video didn’t you? I recon you could sell hundreds of copies if not thousands worldwide.
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Where might I find the fuel pump fuse on the mk3? I'd rather check for this and make sure that's not my problem before I go replacing the fuel filter and/or pump.. also, is this fuse the same thing as the fuel pump relay (which I think is located above the right front wheel well just under the hood?) Also, what is "normal" oil pressure... this is the first car I've owned where I have a guage for oil pressure and within the two weeks of driving the car, I've noticed it'll go up around 40 psi when I start her up cold... within a few minutes, she's down to 10~12 psi and will build up to 20~25 with engine use/revs... Does this sound normal? too low? Maybe there's something I can check for or do to help keep the pressure up a bit more? Looking at the TSRM, it sounds like i'm running at the minimal threshold for oil pressure, but I also think: "It's nat. aspired... not a turbo, so the pressure shouldn't be towards the high end." but I'm no mechanic... two yrs of HS auto shop (one 9th and other in 12th grade) over a decade ago, I'm not as sharp on the subject as I'd like to be. |
Fuse/ OIL PRessure
Thanks Bill UK for checking that out for me.
The OIL pressure climbs to about mid scale or 40 PSI when cold which is were it has always been for this model. Rev it up and it goes to maybe 50-60, Hard to tell with these gauges. I am going to install a color after market gauge pod from CDI called the vGauge which will give me more accurate temp and pressure readings. Suction mounts to the windshield. The fuel pump was disabled by pulling the EFI fuse in the fuse pod. Labeled EFI 15 AMP My solution tot he dipstick problem was JB WELD. Mixed a little of that and now it don't move. Added a little RTV on top for insurance. |
startup update
Update on initial start – it was not a dream, car actually starts again!.
Ran it for about 15 minutes to get the thermostat open and get some water circulating. No bubbles in the coolant, no leaks on the asphalt. Did two separate runs of 2 miles each with a cool down in between. Really smooth, just like it was off the show room floor. Has that nice new engine smell. Got a few extra bolts left to locate. How many extra bolts do you need to still call it successful rebuild? |
dam that came out realy nice man congrats how long did it take u n i bet ur happy ass hell
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10% Disassembly 15% Assembly 20% Figuring out what to do 55% Cleaning/painting parts Costs about $1500 50% Machine shop work 30% Parts 10% Cleaners and rags 10% Beer Things I should have done. Purchased a high quality rebuild kit - most of my gaskets were cheap paper and I had to repurchase the head gasket, Tell the shop NOT to paint the head. Take a lot more pictures on disassembly Use a lot more plastic bags for bolts and parts – label them with more detail. Win the lotto so I could have bought more beer. |
grats man :D I'm envious... mainly cause my ride is parked w/ a bad fuel pump and I'm not inclined enough to even replace that... let alone rebuild the engine... it came out very perty and clean... sorry to hear about the painted heads :\
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Head Shop
No - head was in shop for cleaning and resurface then I took it back once all the valves were removed to do the porting. Then - back to the shop to have the valve seats done, valves installed, and then adjusted with shims. Total machine cost for the head was $450.
You want tot do the porting before the valve seats are done so you don't mess up the seats. Critical since they determine adjustment and timing. If you really want to do it right and can afford the time - take both head and block to machine shop so both surfaces can be done clean. Then new head gasket will be fine - remember I used studs and tourqued down to 90 ft-lbs. |
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thanks so much for your help |
With the vGauge don't plan on using the stock oil pressure sender... the sender itself is internally dampened not the stock gauge.
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oh another question. your block too a week in the machine shop....
but what about the head? |
It all depends on how busy the shop is. It took two days for me to get my head back. I had it hot tanked, vacuum tested, dye inspected, resurfaced, valve stem seals replaced.
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sorry one more questions. im about to take my head off and i cant get the head bolts off. also im strippiing out the hex bolts trying to do so. any advice?
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block cost
Block was $200 to shave and dip tank, check for cracks. The total Machine shop bill was $750 wich was head job, block and crank, and alot of cleaning (all intank manifolds and oil pan) I bit high but around here I am luck to get anyone who can work an import engine.
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Time in shop
The block did not take but 2 days to do - it was the head that took so long - 2 weeks. But the total time in the shop was over a month due to needing to find enough POP CANS to get it out.
BTW - The cylinders were only Honed but not boared so that saved some money. After 20 years they were still good but you really need to at least get them honed to get a good ring seal. Been driving like new since the job. |
Sender
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True - I used all new senderds for this off a tee to keep the orginal |
wow nice report, I vote for a sticky!! lots of good tips in here. Its almost like reading a step by step haha Thanks man!! hope it all works out for you!
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small question
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http://c4.ac-images.myspacecdn.com/i...66defb51bb.jpg http://c4.ac-images.myspacecdn.com/i...50df62a4db.jpg |
Ghost connector.
What you appear to be holding is a ghost connection which I had on my 90 model. It did not go anywhere and I never connected it. It may be for turbo models or just a diag connector. I never found out what it was for but everything runs fine with out connected. Maybe for a Auto Tran since mine was manual?? Anyway wasn't VAC can as it had 3 terminals and was RED.
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ok thank you
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Im in the middle of replacing my blown head gasket. These pictures are great. My #6 went too. Just wondering if you knew the torque settings when tightening the new gasket?
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Bolts = 75ft. lbs.
Studs = 90ft. lbs. If you're reusing the stockers check thoroughly for bad threads, pitting, and measure to make sure they're still within spec. NOTE!!!! Torque specs change depending on what you're lubricating the friction points with (Head, washers and threads of the bolt). Those I've listed are for use when using a GOOD moly based grease. Don't forget to chase the block's threads too!!!! |
Lol did my arp's at 85
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Torque
Did my ARP studs to 90 with lube.
Depends on gasket. Metal? I think stock was 55 but everyone now seems to go at least 70 |
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for anyones info, i found a strap wrench worked well to get the cam gears off on mine
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I just stick a socket on one of the bolts holding the back plate on with an extension on it. Gear turns, spoke stops at the socket and extension and you're done. Strap wrench would definitely work well if they have a larger one on hand.
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