ZROSSA
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Posts posted by ZROSSA
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Here is what I did.
http://album.hybridz.org/showphoto.php?photo=6309&limit=views
The photo is about 4 years old. It looks a bit better now. With the 2+2 there is a kick up at the rear of the stock fuel tank and I just continued that angle up to the "roll pan". I am not ecpecting any down force but am hopeing the air wont get caught up in there anymore.
Douglas
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There was a guy who swaped in a small block chevy into a legacy wagon selling the car here locally. Ran it in rear wheel drive only. I would guess that all the 4x4 assembly was removed.
Douglas
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Just re read maximum boost last night. Looks like i can get away with 11 psi with good intercooling. Might have to do a water intercooling set up becuase of space and I think that will help a bit. Looking at a holset turbo at the moment. Garrets here are close to $2k. Bit rich for something that needs to be hidden from the wife. I am not in hurry so will just keep my eye out for a turbo thats suitable. Maybe get the mega squirt up and running first. Thanks for the input.
Douglas
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This looks like a better one
http://www.trademe.co.nz/Browse/Listing.aspx?id=171662986
Guess im am better off spending a few more buck now........then later replacing junk
Douglas
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Thanks guys,
I thoght it was a bit small. I really need to keep this as cheep as possable. The zed is eating money right now so just keeping my eye out for deals. The stock hp is 218 and tourque 228lb. Neat car, Has a close ratio dog leg 5 speed and lsd all standard. I will run a inteercooler. Thought I would be able to run more then 6psi. Will go back and read maximum boost .....again.
Cheers, Douglas
P.s. If any one comes across a good turbo for cheep, pls let me know. Shipping shouldnt be to big a deal or maybe we could send to my Dad in Atlanta.
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Howdy all. This is not z related but engine size is similar so hopefully someone can hekp out.
I bought a 79 bmw 635csi about 6 weeks ago. Its a cool car but need MORE POWER! Thinking about a low boost turbo set up run by megasquirt. The engine is a euro spec M90 3.5L with a compression ratio of 9.3 to 1. I will run an intercooler and 95 octane fuel. I think I can get away with about 11 psi of boost. I would like boost to kick in aroun 2500 rpm if possable and make good power to 6500 rpm. I dont want to over heat the air at higher rpm so would give away a bit of low boost for better top end efficiency.
Would this turbo do the trick?
http://www.trademe.co.nz/Browse/Listing.aspx?id=170871867
I like the price. Forgot to add I would like about 350hp at crank.
Cheers, Douglas
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Try it with larger lights and move them out to the sides a bit. Should give it that Le mans racer look.
Douglas
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Looks like the runners on my 79 635csi. The bmw guys seem to prefer the later style manifolds for making more power. Probably due to the position of the throttle body. When they turbo this engine the best performers have the inlet manifols set up more like the traditional nissan one. I dont think you will gain much if anything. What you make up for in intercooling pipe you lose in manifold pipe and probably throttle responce.
Douglas
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Suzuki gti's do weird things on gravel and rough stuff. Snap lift of oversteer. Wicked on power understear. Really hard to drive fast off pavement. My wife had one when we first meet. Spun the thing time and time again!
Douglas
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Have a look at some of the newer wrc cars. They have small vents but are fully ducted. I dont think you need that big a hole in the hood to make it work.
Douglas
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You guys are taking the piss! I hope?
Douglas
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Gm has sold its share in isuzu now. Guess it had some bad dept to cover! the turbo deisels i have driven have mostly been dogs off boost. With peak torque usually coming up at 1800 rpm it really wasnt a problem untill you have a big trailer or very large load. Once you have it moving your away again. I always found that i can drive a T.D. pretty hard and not lose to much economy. Petrol engine would drop to really low figs in similar situations.
Douglas
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Very nice. Couple of round driving lights to breack it up a bit and your away!
Douglas
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I think it was 385 ft/lp of torque. Not hp. the ones I looked at made around 100 hp/liter.
Douglas
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Nascar seems to get 120 hp per liter with old tech and 2 valve heads. Dont see why we cant get that with two valve ohc motors. Guess we need to spin them to 9000 rpm?
Douglas
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There are engines out there......I have posted them before in previous threads.
DTM all use flat planes. Merc, Audi and opel(which uses a version of the northstar engine)
Every time i go to the local dirt track- not often- i hear at least one small block with a 180 crank.
Most of the IRL engine are flat plane.
SOMEONE MAKE CRANKS FOR THESE! Probably a case of how bigs your wallet, but they are out there.
There is an engineering co in the uk that I think makes these parts. Cant find there name right now but will keep looking. They seem to be able to make anything. Just need to check some back issuies of racecar engineering.
Douglas
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Thanks again guys. I remember having read something about rear wheel caster in one of Carol Smiths books years ago. I havent really followed this up though and have welded in the stock position.
Douglas
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I have been looking at the future G.M. diesel engines. They are going to put a v6 turbo diesel in the commodore next year. 2.9lt Around 250 hp and over 400 l/ft of torque. Sould be very nice. Almost as good as the german ones. Its going to be made by motor morordi (Spelling?) in Italy so not really a G.M. design. Looks like they will use this in the european spec cadillacs as well. New 4.5 lt twin turbo being put through its pases for the U.S light truck market as we speak. Should be a big improvement for you guys.
Douglas
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Thanks for the replys,
I had forgot that the design of the control arm basicly makes the suspension movement work in only one dorection. Dont want any binding!
Douglas
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Howdy all,
I am about to weld in the rear camber plates on my 260. I can get abot 5-8 ml extra caster by welding a little further back. Is there any advantage to doing this? Increased stability in a straight line perhaps? Or do you think it would make the car more difficult to turn in? This car will be mainly used for targa style rallys and fast road playing. Front tires are 245/45/17 and rear are 275/40/17. Front spring rates are 250lbs, rears are 275lb....and it's a 2+2. Open diff at this stage.
Cheers, Douglas
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Here is a bit of a long shot. I remember reading that the brakes on the holden were also used on the corvette. C4 I think. Could be a place to start looking.
Douglas
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Not really. Been pruning the vinyard and the weather has been pretty good so no rainy days off. Talked to the guy who is helping with the bodywork last night so kind of remotivated him a bit. Also decided to go with coil overs and camber plates all round so had to undo some things to make them fit. Getting remotivated though. Bought a new-old toy,BMW635csi with i would like to play with as well. Wife says I have to finish the other projects first so getting people and jobs line up to finish it. Still having a hell of a time getting my machinest to finish things like the hubs and brakes. Going to have to stick a rocket up his arse big time!
Douglas
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Got a front and rear in the shed. Be a paint to ship though.
Douglas
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Wicked work!
Really liked the bottom control arms on the blue evo. A similar soution lookes like it would work on the s30 chassis. Ivan, Do you think you could post a photo in the suspension forum so we could hash out the pros and cons? I wouldnt have the foggest how to do it.
Thanks, Douglas
DIY 180 Degree/Single plane/Flat plane V-8 crankshaft…
in Powertrain
Posted
Looking at the photos of the first pantera; I am preety sure that its a normal exhuast manifold. I think it sounds good becuase of the short equal lenght pipes from the manifold to the single exhuast. Dr Gas sort of hints at this when he talkes about his x-pipes. He said if you keep the lenght of the tubes from the collecters to the x-pipe equal you will get a much smoother sound. Must work for y-pipes as well.
Douglas