roger280zx
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Posts posted by roger280zx
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Lookin' good! Whats the plenum volume? What tb are you using?
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I'm leaning towards the Team III wheels 17x11.5 for a 315x35. 335 is a bit wide for an 11, but I imagine a 265 a bit wide for an 8...
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327 is in no way too small for a 2500 lb car. Cam/head combo and gearing can acomplish things cu. in. alone cannot. I'm interested to see what cam you end up with. Also what heads are those? I like the fat numbers around .500, spec a cam that takes advantage of that and isn't too much for your 10.25:1 and you'll be happy.
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I was in one of my clients shops yesterday and they where talking about the Coyote sitting on the stand awaiting its home in a 66 notch back. I know little of these engines but was amazed when they said it turned "something like 550 or 575" on the engine dyno. It had short tubular headers and what appeared to be a stock intake mani. Wow! I paid it little attention though as I was enamored with the 240z that had an '11 Camaro v6 and 6 speed with some late model IRS. If I get back up there while its still on the stand I'll pull a tape on it for you, but I'm sure you can find the dimentions online somewhere.
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You know, I suspected as much, but I don't see that many "regular" Z N47 vs. MN47 pictures around. Still debating on whether to remove the exhaust liners or not. I'm not sure if this head is even worth the work I'm putting into it, but it's essentially practice for the future. I don't see it as a total waste in that respect. With any luck it'll work "decently" for my current NA budget build.
No picture comparison needed. The open chamber is a dead give away that it is a Z head. Small, peanut shaped chambers indicate its a Maxima.
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Do the filters loose their paint consistently? My guess would be crappy paint on the filter out of the box, the heat cycling and time caused it to flake off. But it is only a guess.
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There are several race car drivers who use robotics or hydrolics to drive and shift their vehicles. I'm sure there is some information out there I just don't know where. I'm pretty sure Chip Foose's show built a hot rod for a guy with similar needs a while back. I just can't remember if he was automatic or not. Sequentials are expensive, but there is no clutching other than first and reverse. When I was down with a broken femur I would have my sister come over and crank my zx every week until I could get in and out of it... then I would make her drive me around. I hope that you get this straightened out so you can enjoy your ride again. And thank you for your service.
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The N42 has more absolute flow potential. But, depending on your needs, that mn47 is a damn good head. My friend's 3.1 dyno'd 217 hp at the wheels with a braap ported mn47 with STOCK Maxima valves! I don't recal the torque numbers, but it is damn responsive and tourquey. The set up includes tipple 44's, a pretty big racer brown cam, and a Nismo header. I have read that the exhaust liners conribute a lot to street drive scavenging, all though they do sacrifice some top end flow. My friends build shows that they are not a bottle neck at these power levels and neither are the little Maxima valves.
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The ls7 has a different pan. I have no idea if it would affect the fitment, but it is a dry sump and would have a pump and need a remote tank. There have been several ls powered z32's and I'm sure there is info on what pan works with what and so on.
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Did someone just sneakily repost a camouflaged version of Post #15?
After a second read it sure looks like I did, great minds think alike
To avoid pirating any one else's thoughts I'll step back and wait on further developments from Nissan. And WOW I had no idea they were considering sueing clubs for copyright bs. -
Well you knock yourself out... After 10 years building and dumping thousands into mine, I prefer to drive it... I suspect I'll be dropping my block-huggers, and welding the down pipes to the flanges and then putting a flex coupler somewhere else downstream. I just want the leak issues resolved so I can drive the car on track again ASAP.
Mike
No way, v8 Z is just not my thing. I was just saying lets not say it can't be done. Your track car is sweet, and I'm sure it is plenty fast with out 180 headers. There is plenty of scavenging to be had with long tubes and fancy collectors, over the block hugger IMHO. But if you are not after the sound then the extensive development and further complications (packaging and heat) likely are not worth it. But in a class with tight rules you need every edge you can get, and that is what led to the C5 and C4's I mentioned before. When every one you race has the same car, same engine, simialr weight it is hard to break out of thepack... then someone finds power in a 180* header and suddenly they are inching away down the straight. I'm totally with you, keep it running FIRST.
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You could liken Subaru to the Datsun of yester year. A smaller corporation that is not affraid to take risks. And not unlike Datsun they have extensive development and after market support for their last concept, the wrx and sti. They have learned from their experience and know their short comings; infact, they are even smart enough to harness the mass production and scale of a would be competitor and have teamed with them to develop a market changing car. I hope that Nissan's response to this won't be too little too late. I'm confident that they can engineer the next Z in a timely manner, and hopefully it will carry on the tradition of very high performance in an AFFORDABLE package.
All that being said I guess it is just the Z man in me yearning for Nissan to push the envelope. I am a Subaru owner as well (albeit NOT a performance model) and frankly I LOVE the BRZ and the 86, LOVE! Only time will tell how this next Z comes along, but my vote will go to a 6 cyl base with maybe even a twin turbo premium model in the future... Look out Mustang/Camaro.
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I'm gonna go out on a limb here and say that if you can't afford a vq swap, you probably won't be able to get the vh in there either. Unless of course you keep the automatic behind it. See the vh is a more plentiful JY find, and can be had cheaply. But you have the added costs of trans adaptation, and unless you are a fabricator; mounts, rad, intake mani, headers, trans mount, etc. Then you have the unexpeted things that can happen with JY motors, like if you need injectors you have to buy 8, the same goes with rings bearings and so on. Not trying to beat you up here dude, as I wouldn't be able to afford either... thats why my L28 has a t3/t4.
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Why are all of you wishing for a 4 cyl Z. A vq weighs almost exactly the same as a sr20det and besides every single z started as a 2 seat, rwd, 6 cylinder, sports car. Through the 80's and 90's while the big three struggled to use their name sakes on tiny front drive econo boxes with NO performance (a few exeptions) Nissan was able to keep the Z true to its roots. Yeah they had hidden cocaine compartments, T tops, flip up headlights, and whiz-bang all wheel steering, to name a few... But they stayed within the package of two seat (mostly) 6 cyl, rear drive and IMO that is how they should stay. Yours truly holding and hoping for a 240 style throwback (everbody's doin it) with a 3.0 or ahem 3.2 vq and affordable inovation-the way they did it in 1970 with IRS, in '75 with bosch injection, and again in '79 with 4 wheel disks. With the price of composits and fancy suspension coming down I see no reason why they couldn't build a Z with 300 hp, 2800 lbs, and under $28k. Save the infinity G version for all your long wheel base luxury crap and give us a decent road car!
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I've seen them in C5's and C4's (with the 32v heads) and would imagine there is more room in the s30 than in those cars. It would take a complete redesign of everything I'm sure, but lets not just say it can't be done, this is Hybridz after all. Custom mounts and maybe even a drysump would be in order, and yes that is alot of work. But the sound would much better suit the s30 than the traditional chevy rumble... I know that is a whole other topic in its self. Not to mention the power gains. IMO it would be the only way to build one of those GTO replicas... that or a tuned up 355 Berlinetta power plant.
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Check out betamotorsports.com He makes really nice parts. S30 hood can be had in any iteration; glass pin on, cf pin on, glass w/ partial frame, cf partial frame, and full frame either glass or fiber. Depending on your budget of course. Oh, and he just lowered prices!
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I've noticed where you used to read "sold out" or "out of stock" I'm now seeing "ships by August", hopefully that means BW has ramped up the aftermarket production division.
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25 bucks at autozone
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Looking forward to a before and after toon comparison as well I hope.
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Sounds pretty good, hope it makes some power!
+1
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Current set up in car feels great yet you start a thread about your problems tuning and a lack of being able to run decent timing? If you think it feels great now then wait till you get some air going through your coils and you can slam some timing in the thing... it will blow your mind. Put it off if you want, test all you want, but I'll ask you this... how many racecars do you see with 5 or 6 inches of space between coils? Hell, for that matter how many bone stock street cars do you see with much space at all between the heat exhange elements? You don't because heat exchangers need flow in order to cool, putting gaps in between them hinders that flow Period. There are PLENTY of flat top piston turbo setups out there who do not have the problem you are having. I'm not going to tell you not to change plugs/fool with your gaps, that is just part of tuning. Space creates eddys, eddys reduce flow, reduced flow=less cool air moving accross the coil=hotter, less dense intake charge=less power on less timing.
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Jeez man - you don't deliver? What kinda crap is that??
- I'm sure we'll hook up soon enough. Thanks man - I'll take it!Haha, nope I don't deliver free transmissions. I'll help you carry it to your truck though.
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The angle of the air hitting the front of the intercooler matters none if the majority of it will not pass through because it cannot be drawn through because of the eddys behind it. Your oil and water temps will thank you as well. As to the internet misinformation I agree and we should ALL check before we go posting about some ones set up and trying to help them with their detonation issues. I would hate someone's motor to go boom because I was running off at the keyboard.
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Flat top p90 is about 8.8:1 compression with stock head gasket. Judging by the picture you really should move the intercooler back. Like, all the way against the radiatior back. With the intercooler way out front you are creating eddys behind it that keep BOTH the intercooler and radiator hotter. Less turbulence=more airflow. This will have much greater affect on the air temp than the location of the air filter.
To avoid pirating any one else's thoughts I'll step back and wait on further developments from Nissan. And WOW I had no idea they were considering sueing clubs for copyright bs.
- I'm sure we'll hook up soon enough. Thanks man - I'll take it!
High hp build questions
in Nissan RB Forum
Posted
Did you totally miss the first part that said "Read, read, read". There are enough RB drag cars out there to find your answers. BTW the last time I checked ZGad was in the 8's with a puny little 700 hp. Perhaps you should build a car that will hold up at the track First, then start adding the extra 300-500 horse power you seek.