madkaw
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Everything posted by madkaw
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Okay - so the issue for my set up was that the center line of the support bars was not raised high enough . Basically I threaded my adjustment bolts almost all the way up and the car became more neutral the higher I went( see pic above). Now it’s easy to spin with one hand . I’ve even scratched the winch idea since now Ive used a engine stand head on one side with a locking pin . Now to actually get some work done.
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Just remember that the power is in the head and tune on this motors. Any serious monies should be on the head ( cam, valve job, ) and induction system. Of course if want a decent bump in power you want to significantly change the cam specs. But then that leads into the relationship of CR and cam. These motors like cams and can be very street friendly and still make power to 7k. Most go with flat tops for bump in CR , but as mentioned you would have basically a ZX motor . The 79 head would have to be shaved to bump compression , but that’s not too $$. Don’t forget about gearing . Proper gearing with differential and trans can make for a fun , quick car with less power.
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I believe the 79 head has a bigger combustion chamber so compression would much less , but doable with flat tops. 79 head has the better of the combustion chamber shapes - which helps with fighting detonation. So many choices ....
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Don, i would gladly assist you in anyway with the install. If you have a question you can message me and we can call and talk or whatever. I would be glad to help you hear that run:)
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I would say it more of piece of mind for new head bolts, I’ve reused bolts several times with no issues. Rebello doesn’t even use studs on his engines , he says Nissan head bolts are just fine. I would not recommend using studs . Just make sure you get everything clean on the block surface . No break in is necessary with that head
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Ummm- I was responding to the OP - and relating what I found to hope help him . All good info and should help OP And welcome aboard - we always need fresh help
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Car sitting for an unknown amount of time is a big clue. Addding fuel as you did probably stirred up years of yuk in the tank. When you buy an old car / classic like this you have to expect the worse. I went thru a similar issue and it turned out to be a clogged return line on the pick up tube. The fuel sending unit looked new when I pulled it out of the tank but the return had gunk in it and barely flowed and it would shut completely and it made the engine studder
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Gotcha ! I might be expecting too much . I read somewhere - maybe here- using a winch handle and gear . Happy to have it mostly done anyways. Need to make a runner between the two stands . Need to get cracking on 4858 !
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It might be close to neutral - not sure what to expect as far as force required to spin it upside down. I was hoping to be able to set it on it’s side and stay there - but not neutral enough for that. If all else fails I will put a winch gear on there to put it where I want . yes 1970
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Well I have it twirling but still bottom heavy. I can man handle it around but it isn’t neutral . Being trying a basically 2” difference front to rear based on Charles numbers . I can have an effect on the effort by adjusting things but can’t seem to find a neutral balance . So is it a very small window of adjustment to find neutral?
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Wish I had something to trade!
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I wonder if newer concepts concerning rings can be applied to older engines(pistons), blocks, etc... I went with recommended gaps for our engines with stock pistons. The second ring is a smaller gap , though I went closer to the wider end gap averages
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Or just buy my CAI and be done with it
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Any specifics on the head? Stock valve sizes? Doesn’t look like any bowl work was done. Looks like 44cc Chambers so pretty big cut on the head.
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2018 MW Z Heritage, June 15 & 16, Nashville, INDIANA
madkaw replied to z74z90's topic in Convention & Event Chat
Maybe they can pull some numbers from previous shows . I want to say less than a 100 cars for all categories . Its some beautiful country in that neck of the woods . Speaking of necks , hope mine isn’t getting surgery then or I’ll miss the whole show in my back yard . -
2018 MW Z Heritage, June 15 & 16, Nashville, INDIANA
madkaw replied to z74z90's topic in Convention & Event Chat
Nashville is also only 17 miles from the college town of Bloomington. Lots to see and eat there also. -
Loving my Rage saw
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Thanks Charles- that helps . My center bar won’t be that high off the ground plus you said you had 5” of clearance . Gives me an idea if I’m in the ballpark
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I need to move this , so 900$ shipped in the USA .
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Datsun - front engine - exhaust under sests Porsche- rear engine(most) A lot owners go with aftermarket performance exhaust which usually causes more drone. Counter with more insulation . Personal tastes. I love my exhaust except when the drone comes in to play. I drive my car all the time when I’m home, and at 55 year young, I like a little civility for a DD.
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Rotisserie started!
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Bummer !
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Looking for help from a member in Reno . I have someone here in Indiana that has inherited a 77 and needs assistance getting back here. The issue will be getting it to a point to be able to be transported . Been sitting since 93
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No hurry - still have some cutting to do before welding Got a new weapon to fight this battle
