warb gimme some butter im on a roll.....
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thats one sweet puzzle..
warb gimme some butter im on a roll.....
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Doug Sweetman Nil Bastardo Carborundum
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hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m
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conservative estimated BHP @ the rear wheels should be around 240-260 . depends how it behaves itself as to how much boost will be run , but we are thinking around 22-24psi .VWENVY wrote:Holy Crap Batman!!:thumb
Whats the estimated power to weight on this thing?
hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m
2,151 posts · joined May 2004 ·
they are pretty tough rods , rated at 1200hp I believe . The injectors have been calculated at 800cc . A deep 1 1/2 litre deep sump will be used . The crank is a Bernie Bergmann 69mm full-circle counterweight . ( couldn't post pics of crank and rods assembled yet as they are in the engine for a dummy fit-up , will post pics soon ). and thanks for asking about the oval , it has just had a new 24" long x 7" diameter muffler custom made and fitted . It is so quiet that you cant hear it running from 30 feet . I have taken several customers for test flights , and not one of them could believe that it was powered by a VW engine . will update the oval posts soon .Doug Sweetman wrote:That is some serious hardcore internals there...... those rods look indestructible !
This will be scary fast !
HAve you worked out what injectors you will need for it yet ?
Are you using a deep sump / extension ?
What / who's crank are you using ?
Look forward to further updates....... Hope the oval is still going strong.
hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m
2,151 posts · joined May 2004 ·
I purchased the pauter rods in 1997 for one of my 1600 speedway engines , but never got to use them . Back then they cost me AUD$1850 for the set . I'm not sure what they cost today . the 48IDF throttle bodies cost $680 each . When I had purchased the rods , I also purchased the crank to match . The rods are so large that the case has to be clearanced even with a 69mm crank . This is one of the reasons we decided to stay with 1916.nn[ Edited on 13-8-2005 by hypo-vw ]Turbo54 wrote:Did someone say $$$$$!!
how much are the pauter rods, as well as the injection perfection TB's, why not stick a bigger crank
Turbo54
hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m
2,151 posts · joined May 2004 ·
hope we never find out ! if you are near the sand at a drag strip , then you had better rethink the brakes . ha haGL1972 wrote:I wonder how it will perform in the sand?
hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m
2,151 posts · joined May 2004 ·
even though the efi system is fully programmable , it is still necessary to run the fuel pressure higher as the pressure in the intake manifold becomes higher . Thinking of the extremes , imagine what would happen if manifold pressure became higher than fuel pressure . High pressure air would blow back up the fuel rails when the injector pulses .pete wood wrote:Out of curiosity, why are you using a rising rate regulator if it's gonna be fully programable EFI?
BTW, can you answer this for me,
http://www.aussieveedubbers.com/forum/viewthread.php?tid=42175
2443TT Fahrvergnugen
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hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m
2,151 posts · joined May 2004 ·
We chose 800cc injectors as we are currently using 550cc 13b turbo injectors in the oval , and it runs out of fuel at 15lbs ( this is why i could only run 14lbs @ the VW drags ) the engine in the buggy is much smaller but we plan to run a lot more boost than I am currently using . If we have trouble tuning the bottom end , I may have to run 8 smaller injectors in a progressive pattern .iswinkels wrote:Hey Hypo-vw, isn't it fun assenbling engines when all your parts arrive in shrink wrap!
Are you sure your injectors are large enough? I mean 4 x 800cc will only flow enough fuel for 580HP! If your aiming for 260-280 a more modest 550-660cc injectors would provide a more tunable (for low end drivability) than the 800's. (even with sequential efi)
Also, your clutch is a little on the extreme side too, especially for a 450-500kg buggy. A 3 puck and a stage 3 clutch would hold back 400+hp in a full bodied car, and you'd better have a hydraulic actuator conversion or you'll get really good at replacing clutch cables. I would have suggested a 4 puck and a 1700 lb clutch to hold back 300rwhp easy in a buggy, and not stress the drive line as much.
What rod length did you go for? What kind of pistons? Have you considered using an autocraft a dry sump pump with external oil pressure regulation, cause when this car hooks up you know your wheels will be in the air for 1st, 2nd and a little in 3rd, and your deep sump will be drained of oil rapidly at RPM with the oil strugling to get down to the deep sump again...
Sorry, I don't mean to rag on your project but after all forums are about sharing of knowledge after all. It looks like its going to be awesome once its finished.nn[ Edited on 27-7-2005 by iswinkels ]
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Are you planning to add eletric steering to them? coz from what I see the main steering wheel will just be for decoration.hypo-vw wrote:rods are stock length , pistons are 94mm mahle 'b' type and wheelie bars will keep the front down to a respectable height.
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