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Old July 15th, 2012, 12:49 PM   #1
Brandon Hull
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Location: NJ
Posts: 63
Default Van Diemen RF98 F1600 for Nat'l or Pro Series

Surely now one of the fastest Van Diemens in the country, and capable of running with any other marque, we acquired this RF98 in '09 from Eric Langbein who had campaigned nationally. In '09 Forrest (then 16) won every regional race entered. (ok I guess he was second that time at NJMP when he spun 3 times) 2010 highlights included multiple national podiums, including a win at Pocono and P7 in a big field at June Sprints Road America. (top speeds in the low 130's) Totally re-engineered/rebuilt by Matthew DiRenzo over winter of 2010/11, with new suspension geometry, bodywork alterations, header redesign (see photo below), and every conceivable legal refinement. Killer extra special Kent by Sandy and Eric at Quicksilver. Objectively the fastest VD in the F1600 '11 series: one of 4 cars to break SCCA lap record at Watkins Glen, Qualified top 4-5 multiple times, Fastest Lap at Lime Rock, finished 8th in F1600 overall despite missing first stop at VIR and several DNFs during series.
For full build sheet and discussion you will want to speak with Matthew directly, but among many other features:
OZ wheels, 3-sets, brand new <2 races (Technos, older OZs and OEM speedlines avail)
Michron data, (wrong, Pi data as noted by MD below) new 2011
multiple noses and aero parts
Many suspension spares
transport wheels
triple adjust Ohlins, revalved 2011
All systems, eg fire suppression, radiators, fuel cell, plumbing, wiring new 2011
Bare frame square check, brazing inspection, new AL floor 2011

In summary, hundreds of hours of cost no object tuning and refinement to build a car capable of running with the best Pipers/Swifts/etc with reliability and tunability. Benefit from race-hardened tuning and setup knowledge with a Kent package that just works.

The RF98 (see threads on forum) is the narrowest cockpit Ralph made, contributing to great straightline speed. Consistent 1.8-1.9G data proves Matthew's chassis engineering.

Forrest was 5'10/150 when he started, 6'2/175 at the end of last year's season, so the cockpit can work for a wide range if you are built right.

Extremely competitive with the Hondas esp the SCCA restrictor, and of course would clean up in regional competition. Highly reference-able by Mike Rand and the F1600 2011 community.
Many videos here: http://www.youtube.com/watch?v=7SLrn...8&feature=plcp

Heartbreaking to sell after all the blood sweat tears but unfortunately we got airborne at the Glen in the season finale, (see glen video) right in front of mom who was watching the bus stop from the stands. It was the same day as Dan Wheldon's accident, and Forrest's open wheel career ended on the spot. Turns out I'm forbidden as well.

$33K with adjustments in either direction depending on spares is, as usual with any top racer, about 1/3 of hard costs.

FEB 2013 PRICE DROP: SERIOUSLY, THIS IS TURNKEY FOR F1600 PRO SERIES OR SCCA! PLENTY OF TIME TO ACQUIRE NOW, AND RUN THIS SEASON! MAJOR PRICE ADJUSTMENT, NOW $29K
Attached Images
File Type: jpg LRP 1.jpg (162.2 KB, 787 views)
File Type: jpg WG Race 1 .jpg (150.2 KB, 694 views)
File Type: jpg WG race 1 Foster.jpg (157.3 KB, 625 views)

Last edited by Brandon Hull; January 28th, 2013 at 3:50 PM. Reason: Price Drop
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Old July 15th, 2012, 11:33 PM   #2
mwizard
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Brandon,
Even an autoxer could see that the orange car driver was going to be trouble. Forrest did well with the evasive action and made a great recovery. Your wife is such a party pooper.
And, nice car.
Mark
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Old July 18th, 2012, 10:05 PM   #3
Matthew DiRenzo
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This is a rock solid, very fast car. I built it up from the bare frame and literally everything -- down to the nuts and bolts -- is new or near new condition. I also rebuilt the gearbox at the beginning of the season; new R&P, new diff, everything. The data system is an extensively upgraded Pi Delta Lite w/Toolbox software, not AIM Mychron.

If anyone has inquiries re: this car, feel free to contact me for details @ matthew@direnzoracing.com or via the phone number listed on my website (www.direnzoracing.com).
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Old October 3rd, 2012, 10:43 AM   #4
Brandon Hull
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Default Demo day test drive at NJMP

I'm planning to take the FF to NJMP Lightning course on October 8th (Columbus Day) It is an open lapping day for members so I'm driving just to shake out some cobwebs. If there is any serious interest, happy to host visitors and for any really serious interest, the prospect of taking the wheel.
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Old November 11th, 2012, 6:50 PM   #5
Brandon Hull
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Still available. Fending off lots of inquiries about parts which just makes me sad: there is a huge amount of great engineering that went into making this one of the fastest F1600s in the country. It would be a crime to part it out even if the economics made sense! See F1600 pro series results for lap times and other data; this is a seriously competitive car for a bargain price.
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Old December 20th, 2012, 10:01 AM   #6
Brandon Hull
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Bump: would make a sensational holiday present! Splurge now before the 2013 federal tax hikes kick in?
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Old January 28th, 2013, 3:51 PM   #7
Brandon Hull
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Default Price Drop, now $29K

bump for price drop!
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Old December 18th, 2013, 7:07 AM   #8
UberXY
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What is "race-hardened tuning"?
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Old December 18th, 2013, 12:40 PM   #9
Brandon Hull
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Quote:
Originally Posted by UberXY View Post
What is "race-hardened tuning"?
Damned good dramatic ad copywriting, that's what!

Seriously I suppose what I meant was that the car wasn't just set up in a theoretical or standardized way. It arrived at it's current state of tune through three seasons of carefully documented trial and error refinement supported by data and corroborated by results!
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Old April 14th, 2014, 7:26 PM   #10
gczuba
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Default Car for Sale

Can this car be delivered to NH. When is it available?




Quote:
Originally Posted by Brandon Hull View Post
Surely now one of the fastest Van Diemens in the country, and capable of running with any other marque, we acquired this RF98 in '09 from Eric Langbein who had campaigned nationally. In '09 Forrest (then 16) won every regional race entered. (ok I guess he was second that time at NJMP when he spun 3 times) 2010 highlights included multiple national podiums, including a win at Pocono and P7 in a big field at June Sprints Road America. (top speeds in the low 130's) Totally re-engineered/rebuilt by Matthew DiRenzo over winter of 2010/11, with new suspension geometry, bodywork alterations, header redesign (see photo below), and every conceivable legal refinement. Killer extra special Kent by Sandy and Eric at Quicksilver. Objectively the fastest VD in the F1600 '11 series: one of 4 cars to break SCCA lap record at Watkins Glen, Qualified top 4-5 multiple times, Fastest Lap at Lime Rock, finished 8th in F1600 overall despite missing first stop at VIR and several DNFs during series.
For full build sheet and discussion you will want to speak with Matthew directly, but among many other features:
OZ wheels, 3-sets, brand new <2 races (Technos, older OZs and OEM speedlines avail)
Michron data, (wrong, Pi data as noted by MD below) new 2011
multiple noses and aero parts
Many suspension spares
transport wheels
triple adjust Ohlins, revalved 2011
All systems, eg fire suppression, radiators, fuel cell, plumbing, wiring new 2011
Bare frame square check, brazing inspection, new AL floor 2011

In summary, hundreds of hours of cost no object tuning and refinement to build a car capable of running with the best Pipers/Swifts/etc with reliability and tunability. Benefit from race-hardened tuning and setup knowledge with a Kent package that just works.

The RF98 (see threads on forum) is the narrowest cockpit Ralph made, contributing to great straightline speed. Consistent 1.8-1.9G data proves Matthew's chassis engineering.

Forrest was 5'10/150 when he started, 6'2/175 at the end of last year's season, so the cockpit can work for a wide range if you are built right.

Extremely competitive with the Hondas esp the SCCA restrictor, and of course would clean up in regional competition. Highly reference-able by Mike Rand and the F1600 2011 community.
Many videos here: http://www.youtube.com/watch?v=7SLrn...8&feature=plcp

Heartbreaking to sell after all the blood sweat tears but unfortunately we got airborne at the Glen in the season finale, (see glen video) right in front of mom who was watching the bus stop from the stands. It was the same day as Dan Wheldon's accident, and Forrest's open wheel career ended on the spot. Turns out I'm forbidden as well.

$33K with adjustments in either direction depending on spares is, as usual with any top racer, about 1/3 of hard costs.

FEB 2013 PRICE DROP: SERIOUSLY, THIS IS TURNKEY FOR F1600 PRO SERIES OR SCCA! PLENTY OF TIME TO ACQUIRE NOW, AND RUN THIS SEASON! MAJOR PRICE ADJUSTMENT, NOW $29K
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Old June 25th, 2014, 10:54 AM   #11
Brandon Hull
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Quote:
Originally Posted by gczuba View Post
Can this car be delivered to NH. When is it available?
Dude, this car can be delivered to Manitoba! Available 18 mos ago! Right now it is just taking up space. Fortunately due to it's light weight, just taking up airspace...
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Old June 25th, 2014, 2:26 PM   #12
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No leaks!
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Old August 8th, 2014, 11:38 PM   #13
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Still available?
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