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-   Porsche 911 Technical Forum (http://forums.pelicanparts.com/porsche-911-technical-forum/)
-   -   PVX build thread: one view from the slope (http://forums.pelicanparts.com/porsche-911-technical-forum/518231-pvx-build-thread-one-view-slope.html)

Mia911 08-14-2011 04:37 PM
Great job petevb....I really love it...

sl951 08-14-2011 10:43 PM
Quote:
Originally Posted by pksystems (Post 6196028)
What are the ducts on the ducktail for? any more pics of that area? :)
High pressure area - for intake. Same principle as the current GT3.

FF2239 08-21-2011 06:30 AM
Quote:
Originally Posted by Mahler9th (Post 5119579)

...In the future, we may see a GT3 RSR or Porsche Daytona protoype engine in a 914-- I might expect to see that....

...One of the cool things about Porsche's family of cars, particularly the 911, is all of the fun things that can be done to them.

Consider a car like mine from a few years ago... mid-70's 911 with composite later-model bodywork and a modest interior, a cage and a weight of about 1950 pounds. Then consider (unlike mine) a 3.8 twin turbo motor installed in it. Who knows how much power-- north of 700 for sure. Now this car also has heat, and is driven, not infrequently, on the owner/builder's ~45 minute commute to work (on street tires, not slicks). Now consider that this car is also raced, and it shows up at PCA Club Racer at Laguna and beats all of the other cars, including highly modified GT3 Cups. Now the car has different body work, an engine with slide valves and is active in vintage racing.
^ Excellent comment.



PVX beast needs a couple of goPro's mounted on board to shoot something like this...

<iframe width="420" height="345" src="http://www.youtube.com/embed/Tp38Q-sT3Q4" frameborder="0" allowfullscreen></iframe>

Tom Sch 09-08-2011 04:03 AM
Quote:
Originally Posted by petevb (Post 6219263)
hello,

would you please tell me who has modified this 3-instrument-gauge?!?

thanks

IMR-Merlin 11-05-2011 03:32 PM
What a great build. I like the attention to weight distribution and shaving weight. I have thought of building some tail lights for my project and also moving more weight forward.

I especially like the oil tank, it was something I wasn't thinking about. I too will be moving my engine forward. I am interested on how you tied the front side of the torsion tube into the chassis. I was planning on picking it with the roll cage.

Brendon

TRE Cup 11-05-2011 03:36 PM
North hollywood speedometer does gauge conversions as shown on Pete's car. But there are others that do that too.

gumba 11-09-2011 06:53 AM
North hollywood speedometer does gauge conversions as shown on Pete's car. But there are others that do that too.
__________________

Who? Can you PM me?
thanks,

dtakenname 11-09-2011 06:33 PM
Hi,

Amazing work!

It is hard to believe that these two little radiators are able to keep the engine temperature down.
Are there any more rads in the car or just those two?

Many Thanks!

http://forums.pelicanparts.com/uploa...1320895946.jpg

not_hans_stuck 08-28-2012 05:09 PM
Pete,

Did you run the cooling tubes through the rockers? Did you do that before the bodywork, or after? - please say after...

I'm doing a Renegade conversion and I've decided to run aluminum tubes for the coolant runs.

Thanks,

Hal

petevb 08-30-2012 06:33 PM
Quote:
Originally Posted by not_hans_stuck (Post 6941334)
Did you run the cooling tubes through the rockers? Did you do that before the bodywork, or after? - please say after...
With the front fenders off you can make the holes and run the cooling tubes after the bodywork is done...

Quote:
Originally Posted by dtakenname (Post 6362293)
It is hard to believe that these two little radiators are able to keep the engine temperature down.
Are there any more rads in the car or just those two?
Just the two, but they are high quality, thick, and need careful ducting and four fans to keep temps down in traffic. They do a good job at speed, but it took a couple tries to get traffic temps where we want them on hot days. Doesn't help that the cup engine idles at 2k rpm, and throws enough heat that the headers glow red at idle...

Link to the 911 world article for those that are interested, btw:
911 & Porsche World

I'm slowly working through some potential suspension changes in all my spare time, and a couple other changes. Learning some interesting things, I'll start a new thread at some point...

petevb 08-30-2012 06:43 PM
Any idea why it won't let me edit my old posts on the previous page to fix the pictures? In any case, here are some of them again:


http://farm7.staticflickr.com/6222/6...037b4a_b_d.jpg

http://farm7.staticflickr.com/6215/6...d9639c_b_d.jpg

http://farm7.staticflickr.com/6213/6...ccb3e9_b_d.jpg

http://farm6.staticflickr.com/5189/5...80e057_z_d.jpg

http://farm7.staticflickr.com/6098/6...48cafe_b_d.jpg

Jeff Alton 08-30-2012 06:54 PM
The car looks great Pete!

kojo911 01-05-2013 06:28 PM
Pete, do you know the ballpark weight difference between the water cooled gt3 motor and an air cooled 993 motor. The car looks awesome I think I saw it out at point Reyes over the summer.

Thanks
Ken

quattrorunner 07-10-2013 08:46 AM
nice

Nalspeed 11-16-2013 02:56 AM
These types of builds hook me and makes it difficult to stay focused and near the edge of the slope and finish off with a stunning piece.

Mark

itsnotanova 12-06-2013 05:17 PM
Are those last few pictures posted with the 19 rear wheels?

redridge 12-06-2013 06:02 PM
wow! speechless....

petevb 12-08-2013 02:13 PM
Quote:
Originally Posted by kojo911 (Post 7191242)
Pete, do you know the ballpark weight difference between the water cooled gt3 motor and an air cooled 993 motor.
Ken, vs a 993 VRam you're looking at ~48 lbs empty, ~56 lbs including water weight within the motor, more like low to mid 90s with the full weight of all cooling systems included (also accounting for less oil cooling weight), though much of that is forward in the car and so doesn't hurt the weight distribution.

Quote:
Originally Posted by itsnotanova (Post 7793694)
Are those last few pictures posted with the 19 rear wheels?
No, those are the 17s. The 18s and 19s look huge on an early car:
http://farm8.staticflickr.com/7406/1...70a32c_b_d.jpg

itsnotanova 12-08-2013 05:50 PM
Do you have any pics without the tape on the rear? I've been thinking about 19's for the tire/wheel selection but not sure they can look good. Did you go back to 17s?

kojo911 12-09-2013 08:00 AM
Thanks Pete, love the car.

petevb 12-09-2013 10:37 AM
Quote:
Originally Posted by itsnotanova (Post 7796608)
Do you have any pics without the tape on the rear? I've been thinking about 19's for the tire/wheel selection but not sure they can look good. Did you go back to 17s?
Don't think I've got better shots with the 18s and 19s. In my opinion they look too big for the car. I run them with street tires and only in the wet (hence no good pics), the 17s have R compounds on and I drive on them almost exclusively in the dry.

I'd recommend no bigger than 18s in most situations. It's only the corner case where you need to run the widest possible rear street tire where 19s make any sense, and that's going to be very rare.

alpinaturbo 01-02-2014 10:08 PM
Pete

Do you drive backroads?
Is the suspension mainly for smooth roads, or does it work well on some bumpier surfaces too?
Thank you

petevb 01-03-2014 08:48 AM
Quote:
Originally Posted by alpinaturbo (Post 7836966)
Pete

Do you drive backroads?
Is the suspension mainly for smooth roads, or does it work well on some bumpier surfaces too?
Thank you
The suspension setup is fairly soft. I use the car largely for autocross, and it needs to be relatively soft to be able to put all the power down at relatively low speeds. However the car's really too fast to enjoy pushing it on back roads. It'll do it, but you really don't want to explore the limits- that's best left to a closed course. The video link here gives you an idea why:
https://www.facebook.com/photo.php?v=10151138967169366

Packy 01-09-2014 04:04 PM
You made #9: Top 10 builds of 2013 | Chromjuwelen.com

alpinaturbo 01-09-2014 04:35 PM
Thanks for the explanation Pete,
Being soft actually will help the car on backroads, and pushing the car to near 10/10s would be really irresponsible on backroads.
But it sounds like it actually is an exciting proposition on our backroads.
With the power it puts you can pass when needed, without exposing yourself to risk, and the softer setup will enable 7/10s storming along for great pleasure.

Would love to see you sometime in the Santa Cruz mountains, for fun drive: Hwy 9, Pescadero and Hwy 84 backside, Bear Creek Rd, Stage Rd, Skyline from 92 to 9, Butano Park, Jamison Creek Rd, Pine Flats, Empire Grade, Boony Doon Rd, Page Mill Rd backside and front side too, Alpine Rd off Page Mill on backside,
Hope this gives you some ideas, and inspires you to join.

Jack Olsen 01-09-2014 05:26 PM
That AX video makes me smile every time I watch it.

petevb 01-10-2014 07:33 AM
Quote:
Originally Posted by alpinaturbo (Post 7848744)
But it sounds like it actually is an exciting proposition on our backroads.
Oh, it's exciting, that's not the issue. I have driven many of the roads you mention in it, though more often I prefer to take a slower car that's more suited. Slow car driven fast and all. But one of these days...
Quote:
Originally Posted by Packy (Post 7848685)
And got beaten by that 911 dually. Ouch.
Quote:
Originally Posted by Jack Olsen (Post 7848842)
That AX video makes me smile every time I watch it.
Ha. Yep, me too.

cknaak 01-27-2014 11:35 AM
Such a great car. You guys executed it beautifully!

Maybe I missed it but what brand/model wheels are those 17's? They look perfect on your car!

O' yeah"74 01-27-2014 01:30 PM
Where is the drool emoticon when you need it.

That car is awesome. I need one just like it.

petevb 02-20-2014 01:54 PM
Quote:
Originally Posted by cknaak (Post 7878432)
Maybe I missed it but what brand/model wheels are those 17's? They look perfect on your car!
17" Kodiak FX wheels. I worked with Jeff Alton here to get something in that size that could clear the PCCBs.

3literpwr 02-20-2014 04:27 PM
Crushed it with this one...

The Radium King 04-12-2014 12:14 PM
hi. late to the game on this one. wondering about how much room there was in the engine bay. i'm looking more at swapping a boxster engine with a modified 5-speed (so, presumably, a shorter transmission than yours). was it necessary to cut the firewall? to move the suspension back? or was this done to obtain optimal weight distribution? thanks.

petevb 04-12-2014 02:43 PM
Cutting will probably depend on the exact length of your gearbox. The 6 speed is long enough that it requires it, the G50 5 speed is long enough to require some modification, the 915 is fine.

Otherwise if we hadn't done the mods for weight distribution (motor and suspension relocation) no cutting would have been required other than for the water lines.

The Boxster engine/ trans is quite a different beast, so you won't necessarily be able to extrapolate from my experience.

MaxZmus 06-27-2014 04:09 AM
Please someone go and make a long vid of this thing…….like a proper one.

Mahler9th 06-27-2014 07:09 AM
Video? That would be cool.

Petevb: If you decide to do a special video, check out the work of Roth Rind Productions... they have made a few videos about the Spec 911 and the local PRC racing scene. You might find some on youtube and Vimeo. I believe Roth Rind were engaged by JWE and/or some of the Spec 911 racers whom you may know.

petevb 06-27-2014 01:31 PM
Thanks guys, I'll give that some thought...

soulfly 08-30-2014 11:08 AM
Hi Peter!

Moré vids about the machine gun!!!!!http://forums.pelicanparts.com/support/smileys/wat3.gif

Mr.C 11-11-2014 10:04 PM
http://m.youtube.com/watch?v=w1OBak7JZK8

willcall 05-11-2015 05:10 PM
What a build!

sand_man 06-15-2016 09:06 AM
I guess, I've been hiding under a rock! Just discovered this thread from a post in the engine building forum! WOW! Just WOW! Has to be one of my top five favorite builds!!!!!


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