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ZROSSA

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Posts posted by ZROSSA

    Ram Air vs K&n with extreme lid

    in Miscellaneous Tech

    Posted

    The area in front of the windsheild is a hight pressure area. This is why backward facing scoopes work. Ram air doesnt really work at road speed (one of carol smiths bookes goes into this in detail).It does provide cool air which is what we are looking for but the sealed rear facing one is easier to do.

     

    Douglas

    V8 Handling question

    in Gen I & II Chevy V8 Tech Board

    Posted

    Howdy all,

    If you make mounts that attach to the original x-member and angle back like a parallelagram (sort off) you can fit the mech fule pump and have the engine set back.

     

    As for handling. I really believe its all up to tuning your ride to how you drive it. That i know off there are only two cars that come out of the factory with a 50/50 weight split. Bmw 3 series and the current vette.

     

    Cars with a very low polar moment can be very twitchy and difficult to control on the edge. Cars with higher polar moment although not as quick to react to you imput are easier to control when getting lose. Cars that you see on the race track with a rear weight bais usually have larger rear tyres to help with the extra weight. Dont forget that with 50/50 weight dist. you can have perfect balance mid corner (same size tyres all round) but when you begine to accelerate this all changes. There are far more people here that know more that I on the specifics.

     

    Build it, tune it, drive it - hard icon_biggrin.gif

     

    You will like it.

     

    Douglas

    351 and 302 mounts

    in Ford V8Z Tech Board

    Posted

    thanks for the help. i dont know how far we will get with this one. I think that when we figure out what it will cost to go from a fuel injected car back to carbs he will give up. Suits me, I have two ubfinished projects already.

     

    Yes there are lots of good toys down under. we do have to pay alot of money for them. You want a 240, bring at least $10,000. A new chevy blaser converted to right hand drive, start a $80,000 and head up depending on spec. Your basic econo hatch, just under $30,00 for a new one. Jap import engines and cars are probable the cheapest anywhere outside of japan.

     

    Have a look around here www.trade-exchange.co.nz

     

    If you know your way around import engines there is fun to be had.

     

    Douglas

    351 and 302 mounts

    in Ford V8Z Tech Board

    Posted

    Help,

    A guy i know wants to put in a 351 into his eb falcon. I know that this wont make any sence to most of you but the car came out with the 5.0 mustang engine as well. Does anyone know if the 351 and 5.0 had similar engine mounts? I dont know if its a cleavland or a windsor. i will find out. Can any of you Aussie fellows shed some light. I searched the web but didnt really come up with much other then it can be done.

     

    Thanks,

     

    Douglas

    Newbie says hello

    in 6 Cylinder Z Forums

    Posted

    Welcome, I learn alot here. speaking of dirt roads, you should see my drive way 1km twisting with a goog strait, i can get the truck up to about 100 kph before the flick side ways to miss the shed/workshop and then up the hill to home base. love It.

    Can someone list some V8 conversion info for me?

    in Gen I & II Chevy V8 Tech Board

    Posted

    Dont worry about not knowing things. everyone starts somewhere. A "streetable" car is one that you can put your foot into at lo revs and takes of strait away with no lag. The original Z engine is streetable. Compare the torque of a mild race small block and it will be puting out more power than the stock engine everywhere. the light weight of the z make what was "cammy" in a heavy car perfect for the z.

     

    Now, onto the subject of front to rear weight. I think this is really a function of tuning. When the F1 guys were hit with groved tyres they made a larger front tyre and moved the engine forward. From what i have read, cars like the panoz run 50/50 weight and have great mid corner speed. The cars with the weight further aft are not as fast through the corner but have beter traction out of it and are able to put the power down better. This says to me that a scarab car and a jtr car should not be set up the same. If both are taken to the race track and developed the jtr should be faster. Rear weight means a lot on the track. I dont think it means to much in the street. I have heard a few tails off 911 turbo drivers who wont go out in the wet. Rear weight being great for traction but once its gone its gone for good.

     

    Douglas

    changing the v8 sound...

    in Exhaust

    Posted

    Dan,

     

    Go here www.revsearch.com and listen to the dino dun on the 450 hp engine. Dodge 360 with 180 degree headers. I like it. I am looking for a sound that doesnt give away the v8. This achives that nicely. Sounds a lot more revvy.

     

    More interesting stuf here as well www.headersbyed.com

    I have ordered the info and thery package. I will post something, if its not already done, when I understand it.

     

    Douglas

    List your Z's specs...

    in Gen I & II Chevy V8 Tech Board

    Posted

    This is as it is now.

     

    260 2+2, 350 chev with a steel case supra 5 speed. lowerd all round with after market shock and anti roll bars. 16*7 rims. 225/50/16 tyres.

     

    fuelie spec heads with 2.02 int and 1.6 exhuast valves. 10.1 comp 350hp cam, 650 vac.sec holley. r200 with 3.5 diff.

     

    Thats as bought, changes will come. Looking at biger brakes, 750 double pumper and i would really like to figure out how to get 180 degree headers in there icon_biggrin.gif

     

    Douglas

    changing the v8 sound...

    in Exhaust

    Posted

    I saw 8 into 1's on a f5000 single seater. Wicked sound. Mabye if we brought the pipes up and forward like on TVR's we could get them to fit. Sounds cheeper then a flat plane crank. I cant seem to find one anyway.

     

    Douglas

    What engine to put in 240z

    in 6 Cylinder Z Forums

    Posted

    This is a good swap. There was a c/dore guy Racing out here that said he was getting over 600 hp @ the flywheel. He was going to put a 4 valve head on it and go for more. havent seen it since as we have moved. This car was very fast in a straight line, it would visibly pull away on the straights against the v8 c/dores, some of which were group a spec. with a proper intercoller and boost this combo would put out more than your target. Buy the way, the in japan the are using the crank out of the rb30 to stroke the skyline icon_biggrin.gif . One apeared here to do a streetlegal top speed run and was putting out over 900 hp.

    What engine to put in 240z

    in 6 Cylinder Z Forums

    Posted

    The rb30 came out with a turbo in the c/dore. I think it was faster then the V8's at the time. Thats what i would put in it. There seems to be an aftermarket for them in oz as well. I saw one in a zed on aotospeed. there is also a few wicked c/dores with the boost turned up there as well. I am sure there some more info on this forum as well.

     

    Douglas

    New (old) idea

    in Turbo / Supercharger

    Posted

    Guys, the idea really was to get a super flat tourque curve. Use tthe hydraulic drive to spin up the centrafugal supercharger to peak boost early and then bleed of hydraulic pressure to maitain that boost. It would also be much easyer to package. you could put the supercharger any where.

    New (old) idea

    in Turbo / Supercharger

    Posted

    That, lone, is the million dollas question. I have had a bit of a search around and there is lots of pumps and motors for heaps of different flow rates, But i have know idea what would be required. Anyone out there knowlegable on hydraulic's or perhaps point me in the right direction?

     

    Douglas

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