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Everything posted by kiwi303
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A cubic foot is 12"x12"x12" or 1,728ci 600 cubic feet is 1,036,800ci (600*1728) So your carb can flow just over a million cubic inches of air to feed your motors 350 cubic inches of displacement. 1,036,800ci per minute divided by 350ci per revolution is 2962.2xxx revolutions So by maths and logic, you should run out of efficient flow through the carb at just under 3000RPM and past that things get a bit restrictive. Using 750CFM instead of 600 as that seems the next common size up gives an eventual peak efficient flow of 3702 revs. maths is interesting, but without knowing the port flow numbers and slapping it on the Dyno, the maths is just data... but I would say Probably yes....
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the P90a is Hydraulic lifters, everything else is Mechanical lifters. I'm not a cam guy, but the cam shops I've browsed online segregate mech and hydro lifter cams by types, so I suspect it's the case that the hydraulic lifter equipped head needs a hydraulic spec cam.
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Agreed Value. What's it worth?
kiwi303 replied to usafdarkhorse's topic in S30 Series - 240z, 260z, 280z
Agreed value is pretty simple... the specifics of the car are not looked into much, unless it's a quick check by a nominated scrutineer to advise the insurance company on how sound it is. A car that's rusty and threatening to have a wheel come off on the road and send you spinning into a tree would attract a higher premium than a solid and sound car. However not all that many companies bother to do that here. All they really look at is whether you're a young dumbass with a record of wipeouts and totaled cars, or a sober and sedate gentleman of mature years, check the tables for the odds of their needing to pay out on those demographics, and multiply that by the requested coverage sum to arrive at the yearly premium. The details of the car itself is pretty much irrelevant, they just want the sum insured amount and to know what demographic you fit into on their risk tables, the rest is simple maths. Give them a dollar figure, your age, and your driving history and they'll give you a dollar figure back, it's really that simple. -
I've nearly always had 2 cars once I got the cash to buy a second... after a run of a couple of sedans (mitsubishi Galant Sigma, followed by Nissan Laurel Medallist) I ended up with a Honda Prelude coupe and a Isuzu Bighorn SUV, what you guys call a Isuzu Trooper II... late 80's advertisements I saw on the troopers club site said the trooper was the second biggest capacity rear on the US market behind the Suburban, so plenty of carry space. Later with a MGF convertible I had a D21 Nissan Navara 2WD LWB ute. an Nissan Hardbody or Pickup to you stateside. Currently I'm down to one daily driver, a Nissan Serena Van, with a non-roadlegal toyota Hilux Surf (4runner stateside) for farm duties, a '71 Peugeot 504 needing new brakes and a carb rebuild but otherwise primo, and the '79 on blocks in a hayshed with the Cleveland 302 in the workshop to one day fit in it. the Serena has carried quite a few loads of parts around... including a L20B, RD28, Rover V8, two gearboxes, and more... vans have benefits when it comes to DRY loadcarrying when a pickup can be a bit damp when it rains
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how many guys still have several local car buddies
kiwi303 replied to grumpyvette's topic in Non Tech Board
I just hit 30 a couple of weeks back, single, no kids and very rural. My car friend is in his mid 40's, married, 2 kids, a software engineer and lives 40 minutes away, then there's the local mechanic who's another 15 minutes past the other friend. Both of them are talking Lotus 5 replicas with V8's while I've the '79 ZX in the hayshed and a 302 cleveland block sitting in the farm workshop to go in it sometime. different tastes in cars, but we'll do odd jobs for the other and swap parts. I've a Rover V8 I'm trading to one of them. But really, theres no-one close enough to just walk over and sit in the garage on a weeknight after work and drink beer with while spinning spanners. It's just too far to go between each others place, unlike suburbia when friends would be most likely within a few blocks. Instead we'll spend a full day doing a major task that has been scheduled in and other things like mowing lawns and shifting cattle cleared up early or set to do late after getting back. -
the RB26DETT does not have "High and low turbo spooling" You seem to be describing a sequential twin turbo where all 6 cylinders run into a small turbo and then via a bypass to a big turbo. Low revs the small turbo keeps the boost up but when you floor it and the small one chokes, the bypass opens and the big turbo takes over to keep high RPM high Hp. The RB26DETT is simply two equal sized turbos each with a cluster of 3 cylinders (front 3, rear 3) feeding into them, effectively the RB26DETT is a pair of 1,300cc 3cyl turbo motors sharing the same crankshaft and block...
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NZ has no chainsaw factories, so no jobs lost and I felt zero guilt in buying a cheap Chinese chainsaw for $57 USD plus shipping, in my hands it cost me $134 USD, or less than $200 NZD, while the cheapest local hardware stores sold the equivalent units for over $400 NZ. So far after a month use, it's working out better than the Husqvana 350 it replaced used to work, and which would have cost over $300 for repairs after it spat the dummy... Just got to see what long term reliability is like in 3 or 4 years time. As to taxing outsourcing... The WTO would call that tariff barriers 'nuff said on that topic before it gets political.
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Since this is a "the TRUTH about these motors" thread, will you be expanding the info to include the L20 (A, B, E) and L16/L18 motors? I've seen talk about using L16 rods in strokers. and if you want L20b data I have a 2 litre L20B 4 cyl in the shed I need to get around to stripping. I could send you the rod and piston data off that.
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S130 RB25 Mounts What You Guys Using Or Making?
kiwi303 replied to Blackbird's topic in S130 Series - 280ZX
Z31 actually Shady, from the 200ZR with the RB20DET If you search theres indications that Aussie Holden RB mounts also work with a bit of alteration. -
the U12 and U13 bluebirds over there are FWD SOHC 3 valve, 2 intake, one larger outlet. pics in: http://www.ozdat.com/membersites/zac510/ the 90's navaras i know of having in Aus from chatting with fellow petrol heads over there are all either SD or TD series diesel or SOHC KA24 as well, not sure about 99+ models. I think the newer aus navara petrols use a V6.
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I did, I was thinking about why Nissan stopped selling you 'murkins the Z32 in '96 despite keeping it in production and sale on the home islands until '99
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Could someone kindly do some screen caps and post .jpgs for us poor peons on dialup who can't wait an hour for a 20 second youtube clip to load?
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nice rear end on the white one
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Call your local Dyno shops, see what they are used to working on and can tune comfortably, and then scour Ebay for a cheap second hand one of them. Easiest way...
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car only runs with fuel pump turned off???
kiwi303 replied to stprasinz's topic in S130 Series - 280ZX
you shue the motor isn't equipped with a mech pump? Maybe a SU motor from a 280Z got dumped in and the turbo bits bolted on after a HG blew at one point by a previous owner? if the pump if locked up running it could just block the system from cavitation or something, while leaving it off means the mech pump draws fuel through? -
DC Water Jet's 202mph Z-Car
kiwi303 replied to Tony D's topic in Windtunnel Test Results and Analysis
bah... double post, can be deleted, if I could just work out HOW. -
DC Water Jet's 202mph Z-Car
kiwi303 replied to Tony D's topic in Windtunnel Test Results and Analysis
Surely "Production" means it was "Produced" by a factory to a factory specification... The only oipinon as to wheather something is "production" or not would be the factories... -
I bet mama was a bit unhappy
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As a random sorta guy who has flatted with girls... do you get along with her now? if so, jump in and flat with her, the worst that can happen is a paternity suit. She looks worth the suit tho A littler more seriously... Fusewire would be my pic, the landlord/rental manager isn't going to hurry too much to get there or send an electrician to replace a fuse just because you plugged too many toys in at one time, so a pack of fuse wire comes in handy. likewise have a few spare lightbulbs on hand, most rentals don't have them in a cupboard, so if your room light blows after hours on friday, you'll have to suffer in the dark until monday unless you swap it out with the hall bulb or have your own spare. Landlords dislike paying for after hours callouts on minor nusiences and will often stall until the working week starts. Make sure the place is bug bombed before you shift your stuff in and spray a can or two of ripcord or other contact, persistent surface insecticide around, you don't want the previous tenants case of scabies mites moving in on you. Always assume the last tenants were total slobs, cause at some point, they will have been and roaches will have been loving them.
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NZeder should be around sometime, I'm pretty certain from ZClub.org.nz forums that his Z is a S31, but IIRC they started in '76, not sure when they finished.
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Can't comment on US cars really, But in NZ terms I could see him in a Nissan N13 chassis Pulsar NX or EXA, or a Toyota Corolla Levin. Both sports cars based on production sedan chassis base but with enough power and handling to be fun, while being off the cops watch list as they focus on the Supra/Cecila and Silvia/Skyline types. Otherwise I see him in a Nissan Navara D21 or a Holden Rodeo type single cab ute, not a HUGE F250 type pickup, but the nissan hardbody type small utility vehicle.
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4 prongs? is that 3 phase with a ground? as opposed to 3 prongs being single phase with a ground? You seem to have an awful lot of plug types and voltages in the states. I can't complain tho, I'm getting a diff plug type fitted here for the 240V 3 phase welder I picked up in may so I don't spend so much time waiting for my 240V single phase welder to cool down from the heat overload cutoff, So I'll have 2 diff Phases, even through they'll still be 240V still.
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Flying coach? when did they put wings on busses instead of using planes?
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How much does a typical annular release system like that set one back by JohnC?
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Well, Japan car taxes are cc based in many ways. Much like the "Gas Guzzler" pollution tax on higher capacity cars in the US. Ever notice how many of the the small cars are 660cc or so, and then 1000cc, with no 750cc cars in between? Their small car tax band on engines has a tax break for engines 660cc or less, like the little dihatsu and suzuki vans and superminis. But the next tax break level is 1000cc IIRC, so theres no bebfit to 750cc size engines since the power difference is so miniscule for the weight of the cars at that size. 2000cc is another tax break level. so the 200ZR/ZG/ZS/Z could be sold for less than the 300zx and make the same profit, even if the engines would cost the same to make, since the jap govt wouldn't take such a high cut of the sale price.