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Search: Posts Made By: d15b7
Forum: C4 ZR-1 General Postings 05-14-2019
Replies: 56
Views: 3,490
Posted By d15b7
Re: Car actively trying to swap ends on track?

hi again! Mark is asking really good questions. I'm leaning more and more towards 'broken or failing suspension component combined with alignment way out of wack'.

on a previous racecar I...
Forum: C4 ZR-1 General Postings 05-13-2019
Replies: 56
Views: 3,490
Posted By d15b7
Re: Car actively trying to swap ends on track?

ya it takes a smoooth driving style and a very careful right foot application!

here's a short clip of me in the Honda from last fall; I was at NJMP Thunderbolt instructing for the PCA and decided...
Forum: C4 ZR-1 General Postings 05-12-2019
Replies: 56
Views: 3,490
Posted By d15b7
Re: Car actively trying to swap ends on track?

hey there. I own a (totally stock except for the sumitomo tires) 1990 ZR-1. and I hold road racing licences with SCCA and NASA and VRG and others, plus I'm a certified instructor for Porsche and...
Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted 02-28-2018
Replies: 11
Views: 1,385
Posted By d15b7
Forum: C4 ZR-1 General Postings 01-22-2018
Replies: 40
Views: 2,266
Posted By d15b7
Re: Barrett Jackson Scottsdale

more amazing to me was watching the Fox body mustangs go through the sale. they were all extremely nice and most were totally stock and low low miles (under 10k) but holy cow $40k for a 93...
Forum: C4 ZR-1 General Postings 12-13-2017
Replies: 21
Views: 1,715
Posted By d15b7
Re: Why a knowledgeable mechanic is key on our LT5s....

if he was cornering hard with 3 qts low it would probably starve for oil really badly. zero oil press for seconds at a time on high speed large radius turns.

on my road race cars (Lotus Super...
Forum: C4 ZR-1 Technical Postings 02-04-2017
Replies: 8
Views: 1,294
Posted By d15b7
Re: How do you remove the battery?

hi roadrat! it's slightly more difficult than any other 'normal' car I've owned, but it's not too bad. open hood. disconnect negative battery terminal. disconnect positive terminal. remove...
Forum: C4 ZR-1 General Postings 06-27-2016
Replies: 116
Views: 17,499
Posted By d15b7
Re: Prices and Valuation

ya it seems any aircooled P car ever built has been dragged up into the stratosphere recently lol. I bought mine from a private party; right place at the right time sort of deal. he was moving...
Forum: C4 ZR-1 General Postings 06-27-2016
Replies: 116
Views: 17,499
Posted By d15b7
Re: Prices and Valuation

hi guys. very interesting discussion! I'll chime in with a few thoughts --

1. these trends seem to turn on a dime. about 3-4 years ago, I was thinking of buying a 85-88 TestaRossa. I hemmed...
Forum: C4 ZR-1 General Postings 06-26-2016
Replies: 18
Views: 3,680
Posted By d15b7
Re: ZR-1 vs Shelby

hi Hog! I just got to drive a GT350 (a regular street version, not the R) at VIR racetrack last month (I'm a pro driving coach and my client had just taken delivery of it and we spent two days down...
Forum: C4 ZR-1 General Postings 02-03-2016
Replies: 24
Views: 4,802
Posted By d15b7
Re: ZR1 Pricing.......

hey fellas! I too always watch with interest the BJ auctions -- not so much because I want to sell my ZR-1 (I really never plan on selling it -- it was my boyhood dream car!!) but because I like...
Forum: C4 ZR-1 General Postings 10-06-2015
Replies: 21
Views: 3,997
Posted By d15b7
Re: 1st track event for my ZR-1... And me!

hey guys! I was David's instructor (and a new owner of a 1990 ZR-1, totally bone stock, which I acquired in feb of this year!). I met David when I reached out for help on drivability issues (mine...
Forum: C4 ZR-1 General Postings 09-15-2015
Replies: 20
Views: 2,913
Posted By d15b7
Re: NASA HPDE Newbie

hey Billy! everything Russ said is spot on. I've been instructing for the PCA, NASA, BMW CCA, and other groups since the late 90's, and hold racing licenses with NASA, VRG, and SCCA too. you're...
Forum: Mid-Atlantic Region 08-26-2015
Replies: 7
Views: 3,417
Posted By d15b7
Re: ZR-1 shops near Newark DE?

big BIG thanks to David!!! we did a full major 'under the plenum' service on my '90 ZR-1 (it was virgin with only 8500 miles on it); afterward, we took it for a spin and WOW!!!! now I see and feel...
Forum: Mid-Atlantic Region 08-14-2015
Replies: 7
Views: 3,417
Posted By d15b7
Re: ZR-1 shops near Newark DE?

thanks guys! I've met David Johnson (about an hour from me) and we are going to get together next week and do a 'major maintenance' - new injectors, fuel pumps, actuators, coil packs, plugs etc etc....
Forum: Mid-Atlantic Region 08-06-2015
Replies: 7
Views: 3,417
Posted By d15b7
ZR-1 shops near Newark DE?

hey guys. I'm the proud owner of a 1990 ZR-1 with only 8560 miles on it! I have been saving forever and looking for just as long, and bought this one from CT this last feb. It's running/driving...
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