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Forum: C4 ZR-1 Technical Postings 12-11-2022
Replies: 6
Views: 1,181
Posted By Paul Workman
Re: starter voltage

18933

Not to take exception to what you've said, except to consider practical reality (experience) to the argument of "dielectric" grease potentially impeding electrical connectivity where battery...
Forum: C4 ZR-1 Technical Postings 12-05-2022
Replies: 6
Views: 1,181
Posted By Paul Workman
Re: starter voltage

That is "a bit" low. Two things come to mind:

1) battery is tired OR needs a good de-sulfate charging cycle and then check voltage while cranking. It should be closer to 10.1V (Marc Hiabeck can...
Forum: C4 ZR-1 Technical Postings 11-18-2022
Replies: 12
Views: 1,180
Posted By Paul Workman
Re: Cutting out shortly after cold start

DOH! Yes, Dom. Thanks for catching that. AND, thanks for the tip on an alternate to a Tech 1. (I use an AutoXray - no longer avail.)
Forum: C4 ZR-1 Technical Postings 11-17-2022
Replies: 12
Views: 1,180
Posted By Paul Workman
Re: Cutting out shortly after cold start

One of the best tools I ever bought for my Z was a scanner that reads out OBD-1 (for both my 90 and Ami's 91 ZR-1 cars coupled with the FSM to provide normal reading parameters and locations for...
Forum: C4 ZR-1 Technical Postings 10-24-2022
Replies: 3
Views: 600
Posted By Paul Workman
Forum: C4 ZR-1 Technical Postings 10-12-2022
Replies: 18
Views: 3,181
Posted By Paul Workman
Re: Reluctantly joining the catch can club

The LT5 tends to need a 'BANDAID" too.

I installed mine (a Moroso) on my '90 and it seems to have cured that oil issue recovered from the PCV loop.

I used metal braded lines following the stock...
Forum: C4 ZR-1 Technical Postings 09-27-2022
Replies: 26
Views: 2,931
Posted By Paul Workman
Re: 0W40?

NOT necessarily taking exception to what you stated re lighter mechanicals, i.e., pushrods and rockers, and spring tensions, etc. But, but, but! In the interest of physics, does not the forces to...
Forum: C4 ZR-1 Technical Postings 09-21-2022
Replies: 16
Views: 1,432
Posted By Paul Workman
Re: My rising shifter

Q on the beam plates: If the beam plates are used, I would suspect that the issue with cold flowing (denoted by the ridge build-up around the circumference of the washers under the nuts - primarily...
Forum: C4 ZR-1 Technical Postings 09-15-2022
Replies: 26
Views: 2,931
Posted By Paul Workman
Re: 0W40?

Every time this question comes up, some are quick to say they have tried it in their motors w/o any issues. But, lubrication issues seldom pop up until considerable run time has occurred under...
Forum: C4 ZR-1 Technical Postings 08-30-2022
Replies: 3
Views: 664
Posted By Paul Workman
Re: Oil Temp

I would think a digital oven/meat thermometer with a long enough lead (that usually) has a small braided lead long enough to match the length of the dipstick. Any such thermo I've seen/used are...
Forum: C4 ZR-1 General Postings 07-24-2022
Replies: 11
Views: 945
Posted By Paul Workman
Re: Ceramic coating DFW area

Boy-yo-boy what a shiny topic!

OK, I admit it: I am more of a "WARRIOR" than a show car "WAXER" person. I love a beautiful car as much as anyone, but I'm not fond (nor capable as my bones get...
Forum: C4 ZR-1 Technical Postings 07-10-2022
Replies: 23
Views: 2,205
Posted By Paul Workman
Re: LED or better head light options questio

Well, to avoid 'cross over' side effects when installing LEDs, here are a few pointers you may want to consider before going hog wild w/ LED installs.

*The LIGHT EMITTING DIODE (LED) itself has a...
Forum: C4 ZR-1 General Postings 07-10-2022
Replies: 12
Views: 1,100
Posted By Paul Workman
Re: Plenum pull scope creep

I've done 'bout everything 'cept port the TB and sleeve the cylinders and camming to my 5.7L LT5 including removing the secondaries, but have never heard of anything referred to as "power plates". ...
Forum: C4 ZR-1 General Postings 06-27-2022
Replies: 4
Views: 919
Posted By Paul Workman
Re: Small tribute to the FBI

I recon they won't mind! The moniker was coined back in 07 or 08, FBI The Fast Boyz of Illinoiz. Since then several of the original "FBI" members have gone on to other parts of the world -...
Forum: C4 ZR-1 General Postings 06-10-2022
Replies: 26
Poll: Secondaries
Views: 2,980
Posted By Paul Workman
Re: Secondaries

Last time out on a 1/4 mile strip, 12.4 @ 121mph; stock block & cams. (sucky launch) - traps in 3rd gear (had to have Marc bump the limiter cutoff to 7500 to keep from experiencing cutoff before...
Forum: C4 ZR-1 Technical Postings 05-24-2022
Replies: 6
Views: 897
Posted By Paul Workman
Re: Who do you use for weatherstriping?

I 2nd Corvette Rubber. And, I have used Cox Rubber with good results (but, I believe they may be a distributor for Corvette Rubber??? I dunno...)
Forum: C4 ZR-1 General Postings 05-24-2022
Replies: 4
Views: 800
Posted By Paul Workman
Re: Torque?

Thanx y'all!:thumbsup::thumbsup:

Trying out some Michelin Pilot Sports (275/40 & 335/35 summer tires). I can't fault the Nittos, except the drag radials were extremely poor in the wet (and it...
Forum: C4 ZR-1 General Postings 05-24-2022
Replies: 148
Views: 94,658
Posted By Paul Workman
Re: Where do all our ZR-1 reside - updated

Have to add two more to Missouri - moved from IL last summer.
Forum: C4 ZR-1 General Postings 05-24-2022
Replies: 24
Views: 2,622
Posted By Paul Workman
Re: Haibeck BBQ Sunday June 5

Ami and I are coming...'God willing and the creek don't rise!' Ami is leaving her Z @ home cuz she has some biz items to attend to B4 the BBQ, so she'll drive the Buick. But, "Phoenix" is...
Forum: C4 ZR-1 General Postings 05-24-2022
Replies: 26
Poll: Secondaries
Views: 2,980
Posted By Paul Workman
Re: Secondaries

Well, just to B different here, mine are eliminated due in part b/c they were smaller than the ports after I ported the runners. (37.5mm+). But, even before the porting, I had Marc eliminate that...
Forum: C4 ZR-1 General Postings 05-19-2022
Replies: 4
Views: 800
Posted By Paul Workman
Torque?

Dang! What is the wheel nut torque spec anyone? Guessing 105??
Forum: C4 ZR-1 Technical Postings 05-15-2022
Replies: 9
Views: 1,069
Posted By Paul Workman
Re: No Spark on Cyl 2 &3

:cheers: Totally agree! Besides after normal life expectancy (the second likely failure scenario), the most often a device fails is immediately upon being put into service (according to references...
Forum: C4 ZR-1 General Postings 05-13-2022
Replies: 49
Views: 4,873
Posted By Paul Workman
Re: Gathering 2022

Yeah, whata bummer: Hangin' out with friends, fixin' cars, having some laughs and memories, fine eatin' and brewski's n BS for 3 whole days n nights! Oh! Did I miss something??? :dancing

It...
Forum: C4 ZR-1 General Postings 04-30-2022
Replies: 12
Views: 950
Posted By Paul Workman
Re: BG "Gathering" '22 Who's in?

Driving in from Missouri. Be there for beer n pizza n BS'n in the hotel lobby on Wed!!
Forum: C4 ZR-1 General Postings 04-30-2022
Replies: 13
Views: 2,206
Posted By Paul Workman
Re: "Gathering Week" 2022

Ami and I will be there. Looking forward to seeing everybody!!!

Steve... As for helmets: Helmets? HELMETS!!? WE DOAN NEED NO STEENKING HELMETS!! (Well, mebby U do? I dunno...:))
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