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Progress on my insane VQ35HR 240Z project


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#21 g9m3c

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Posted 12 July 2009 - 12:33 PM

Looking good! :biggrin:

#22 markrolston@mac.com

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Posted 13 July 2009 - 06:01 AM

sweet project, do you live in austin texas?


I do live in Austin. If anyone wants to drop by and see the car in progress (or the RBZ) just drop me an email.

Mark
Mark,
RB26 Powered 240Z & Turbo VQ 240Z build in progress
http://www.rolston.m...Site/Z-car.html

#23 spent

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Posted 28 July 2009 - 04:12 PM

Man, awsome project you got going... Put any thought into what turbocharger(s) you will be using? Will you be fabricated the hotside yourself?

#24 markrolston@mac.com

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Posted 29 July 2009 - 06:14 AM

I'm thinking I would use Garrett 2871s. But I have not really researched what dimensions will work with a 3.8-4.2L motor. Any advice folks? I first need to determine whether I build a smaller (3.5-2.7) high-rev VQ or a slower-rev, torquey (3.8-4.2) stroker. That'll be part of the turbo selection. As for the headers, there are none out there that position the turbos where I need so I will definitely have to custom fab them. The turbos will likely site high right next to the heads.
Mark,
RB26 Powered 240Z & Turbo VQ 240Z build in progress
http://www.rolston.m...Site/Z-car.html

#25 markrolston@mac.com

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Posted 01 August 2009 - 04:20 AM

Friday Al and Jerry pulled the first part from the one-piece front end mold. Here's a quick picture fresh from the mold:

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(the lines you see are leftover crap from the mold seams. The part is actually one smooth piece)

This first part is made of fiberglass since we didn't want to waste the expense on carbon fiber for our first sample part. It's reinforced with Klegecell foam to keep it stiff. It's very light and rigid. It's pretty cool to see a one-piece version of the familiar Z front-end but without the part lines.

Next steps for us are to fit and mount it to the chassis. I'm hoping to bring the car in a rolling state to the September Zcon in San Antonio.
Mark,
RB26 Powered 240Z & Turbo VQ 240Z build in progress
http://www.rolston.m...Site/Z-car.html

#26 proxlamus©

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Posted 01 August 2009 - 06:07 AM

well theres a bottomless pocket ;)


I'm blown away by this project.. and extremely jealous.

Great work sir

BTW - what seat are you using?
Currently on a rotisserie for a full restoration - L28 with 9mm rods, 88mm Ross pistons (3.0L), 8.5:1 CR, Schneider Stage II cam, Holset HY35W, Megasquirt, Suzuki GSXR ITB's and home made intake plenum, Z32 transmission, Fidanza aluminum flywheel, ACT stage II clutch and pressure plate, coil-overs, vented 4x4 front brakes, 240sx rear brakes, Corbeau FX1 Pro seat, (soon to be half cage) and still debating the paint.. hurm

#27 andre2000

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Posted 01 August 2009 - 06:39 AM

I like your engine porn. Lol
Seriously though, thats insane!

#28 markrolston@mac.com

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Posted 01 August 2009 - 02:38 PM

well theres a bottomless pocket ;)


I'm blown away by this project.. and extremely jealous.

Great work sir

BTW - what seat are you using?


yes, I will admit to spending a bit on these projects. Most folks in my position go out and buy a new car. I chose to build old cars.

As for the seats, no idea yet. I may transfer the Sparco DTMs I have in the silver car into the new car. They are amazing seats. This decision is likely more than a year away. I may have enough money to do this project but only if I spread the effort out over a few years. I'm just now over 1 year into it so far and have at least another year to go.
Mark,
RB26 Powered 240Z & Turbo VQ 240Z build in progress
http://www.rolston.m...Site/Z-car.html

#29 markrolston@mac.com

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Posted 03 August 2009 - 04:39 PM

small update. Here's some pics of the frame progress with brakes and wheels mocked up in place.

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Mark,
RB26 Powered 240Z & Turbo VQ 240Z build in progress
http://www.rolston.m...Site/Z-car.html

#30 rturbo 930

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Posted 03 August 2009 - 04:58 PM

That looks SICK! Awesome.

Owen | 1976 280Z | 1988 325is | 1986 Jetta | 1953 CJ3B

A car is a hole in the air, suspended there by four rubber doughnuts which you can not eat.
Into this hole, you throw money, which you will never see again.

 


#31 g9m3c

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Posted 04 August 2009 - 12:49 AM

That. Looks. Amazing. I am impressed and envious on every level. :mrgreen:

#32 Pharaohabq

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Posted 04 August 2009 - 06:19 AM

That's looking great Mark, You'll have to let me know how that 1 piece fits over the HR motor. on my HR project, it's going to be a really tight fit. so much so I may end up shaving some of the ribs off the plenum, much less ditching the engine cover. I guess you don't have to worry about the steering crossmember though.

#33 markrolston@mac.com

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Posted 05 August 2009 - 03:10 PM

That's looking great Mark, You'll have to let me know how that 1 piece fits over the HR motor. on my HR project, it's going to be a really tight fit. so much so I may end up shaving some of the ribs off the plenum, much less ditching the engine cover. I guess you don't have to worry about the steering crossmember though.


I'm hoping to use the Jensen ITB setup with two custom intake plenums so will be able to control height a bit. But even then it's a tight fit. I will have pics of the clearance in a few days.

mark
Mark,
RB26 Powered 240Z & Turbo VQ 240Z build in progress
http://www.rolston.m...Site/Z-car.html

#34 project 28

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Posted 06 August 2009 - 06:10 AM

MAN YOUR Z IS HELLA HELLA TIGHT ! :twisted:
PROJECT 28[SIGPIC][/SIGPIC]

#35 piston

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Posted 31 August 2009 - 12:33 PM

WOOOWWWWW. bad ass....

#36 Vette Powered

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Posted 11 September 2009 - 07:49 PM

I've been a poster for a few years in the RB section of this site. During that time I built and have been maintaining (breaking and fixing!) my RB26 240Z.

http://web.mac.com/m...log/Z-Blog.html

But since that car is more or less complete, a few months ago I started a new project to build a car from scratch. It is based on a 240Z body but from there just about everything is custom.

This time I'm using a VQ35HR instead of the RB. It'll be interesting to find out which is better when it's all done. The RB is a monster motor but I'm hoping for less weight and more torque with my plan for a built, twin turbo VQ.

Anyway, I started a website to track all the progress. I'd love any feedback on the plans. It's been a slow start but exciting to build something so unique.

http://web.mac.com/m...New_Z_Blog.html

best wishes,
mark


When are you going to let me come check out the shop and rMe a ride in the Z? Did Boost Logic help tune the car first car? They built my Lexus.

Tad

#37 markrolston@mac.com

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Posted 20 September 2009 - 03:12 PM

It's rolling now! we got it finished enough to roll so we could get it to the upcoming San Antonio Zcon09.

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Mark,
RB26 Powered 240Z & Turbo VQ 240Z build in progress
http://www.rolston.m...Site/Z-car.html

#38 Evan Purple240zt

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Posted 21 September 2009 - 06:14 AM

Wow, thats all I can say.
1995 240sx....
1972 240z RIP

#39 vqpwrd240

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Posted 21 September 2009 - 06:48 AM

That is a very impressive build. If you get bored make me one of those chassis and send it my way.

Ferhan
Don't believe your own bulls**t.

#40 Pharaohabq

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Posted 21 September 2009 - 06:42 PM

again, looks pretty good. I'm curious about the aftermarket intake plenums you had mentioned. how much clearance do you think you'll gain with them. Have you selected a radiator to use for it yet?

I might have to make the trip to that austin Zcon just to see this beast. I need to get a move on on my VQ35HR swap, but I've been letting my life get in the way.

Phar




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