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TUCSON CORVAIR ASSOCIATION TUCSON. ARIZONA
Volume 18 Number 3 June 1992
TUCSON CORVAIR ASSOCIATION
Corvairsation i s a monthl y publi cation of the Tucson Corvai r Assocj ation, whi ch i s dedicated to the preservation of the Conai r model of t he Chev rolet Notor Division of Genera l Motors. The Tucson Corvair As sociat i on is a chartered member of the Cor vair
'\. -_ ...Society of America (CORSA).
MONTll !.Y MEETINGS are h1d on the fourth Wednesday of each month except December. One
tp.dllli cal/social p. vent is planned for each month with the exception of Ju l y and
Augus t .
MIlMBP.RSHIP DUES a re $12.00 pel' yea r and are payable to th" TUCSON CORVAIR ASSOCIAT[QN
th rough t he Nembership Cha irperson.
CIIANGIl OF ADDRESS : Report 'my challge of add res s or phone number to t he ~'p.mher8h i p Chairperson. Do not repor t such changes La the Editor .
CORSA NENJl ERSHIP DU F,s are $25 per year and include a subs cri pt.ion t o the CORSA
Communique . a monthly publ Lcat ion. CORSA membershi p is not requi re for membership iI,
TCA but is hi ghly recomm.mded . See any TCA off icer f or informa t ion.
CLASSI PI ED ADS are free to members and $1 per line t o all ot hers.
IlBAOI.INB tor all materials submi tted .to r publicatioll i n the Corvair sa t ion 1 S t he IOtll
for that month' s issue . Mail or de li ver all material s to t he I'.dI tor .
BUS1NESS MAILiNG ADDRESS: P.O . BOl< 50401. Tucson. Arizona 85703
, ___ _ __ oWHEELS AND SPOKES
PRESIDENT BO~D MEMBER-AT-LARGE CORVAIRSATION EDITOR Cecil Alex Barry Cunningham Lynn Bloom 775 W Roger Road #73 3725 E 32nd Street 4072 F. . 2?nd st . ~ - 1( 7 Tucson AZ 85705 Tucson AZ 857 13 Tucson , Az . 85711 (60 2)293-4156 (602)747- 9028 ( 602 ) 323- Y183
YICE- PRESIDENT MEMBERSHI P CHAIRMAN ASSISTANT EDITOR Ron Bloom riClrcy Tucke r Marcy Tucker 40 7 2 E 22nd st #197 Le . ilox 18503 :P . O. Box 18503 Tucs on AZ 85711 Tucson , hz . 857 3 1 Tuc s on , Az . 85 7 31 (602)881-1443 (602)795 - 7459 (602 ) 7 g,) - 74 59 TREASURER LIBRARIANS BOARD OF DIRECTORS Ron All en" Dave & Beverly Baker Current TCA Officers, 81 31 W Lost Acres pi 6110 g . 5 th s t. Aot 2,7 Corvairsation Ed itor , Tucson AZ 85746 Tucson AZ 85711 Dave Baker & Ron Al l en (602)883-8458 (602) 296-1392
RECORDING SECRETARY HERC DISE CHAIRMAN Vern e Cauble Don Robi nson " 5950 N Camino Arizpe 2044 W Shal ima r Way Tucson AZ 85718 Tucson AZ 857 0 4 ( 602) 299-2911 (602)297-1356
HERE I AM, NEW IN TIllS ROLE OF PRESIDENT OF 10\, AND IT SEEMS ALL PROBLEMS SHOWED UP AT ONCE.
VAN PERSHING, AFTER NINE YEARS OF BEING CORVAIRSATION EDITOR, WANTS TO RETIRE. AFTER NINE YEARS OF EDITING, I COMMEND YOU FOR ALL YOUR GOOD hDRI
Vice President's Column
Let Hlf~ inl.l'(lduc.: e nly;.pl r h) tllnsp mernber .s wh() Ii ') 0' L k nnw Illf'. r1y n",me i 8 "on J. III r)(lm, ~)y "' ifAS IIClm e jG I.,V II II . I h"ve 1)('(;11" m e '")ll~r si nef> 1'J'J 1. 1 (I\~II 8 (, I V:~ i I' \\l i th ",I" wll Lch I j'urr.hase
~ ' Y ll fl m" is l,;yJ IIJ 1\.1 ')( 'ID I11Jd J' V,I ,jus t I'p.~ .' vpr IIp. \oJ ;:'J ,s ll E:ed,," .
'1'llfdIK YI ' \) VA! I 1,\.;11 1\ 1,1 , ',('Ul t Jlll j(lJ \~(!J1\',!
/\8 ~dJt(~r 1 ' J.l tr 'y Ln bl~t l1 f! n ) '1 (~xt~ i Ll np: :lnd 'Jjltlt ()p, l; (lr'LlcJp.~ ; 11 nll)L .YIJUI' (' (, ,'v ::l l rs .
"i\; j th ~ J I tJ(J: I.,iJ r.i.' ( lIll you nIl, w /~ 'v/il 'l be aoJe Lo "c,'o mp lJ,r
The regular monthly meeting called to order a t 7:40 p.m. Cafeteria Ivednesday, May 27,
of the Tucson Corvair Association was by President CECIL ALEX at Picadilly 1992.
Visitors were: WAYNE BACHMAN, DON HUDSON, and MICKE Y ZACKRY.
April Meeting notes were accep t ed as printed in the Corvairsation after correction was mad~o sho" that our picnic took place in April rather than in January.
IJl RON ALLEN stated that the treasurer's books had not been audited ... ..... as yet; therefore, there would :>'" H DON ROBINSON announced that he o U
DAVE BAKER stated library report. New phone number
RON BLOOM & BARRY a trip to Kitt's and Ajo near the
that, in the
THE GRIFFITHS were the big winners in the great Rally last month, and were presented a trophy by Don Robinson.
GORDON CAUBLE reported about a new enterprize in Tucson--Arizona Auto Storage. Open 9-5. Group rates. Also, Clark's catalogue has not been distributed as yet.
BARRY CUNNINGHAM'S show and tell described the various clutch discs of the Corvair. He showed the heavy duty clutch disc which is now available at Clark's.
Announcement was the last one put a long time--and In the meantime,
made that the May issue of the Corvairsation was out by Van --who has served us so well for such the Club asked for volunteers to serve in hiS place. it's up to the rest of us to see that our paper
gets published each month.
RAFFLE PRIZES were won by RON ALLEN, AL CRISPIN, LYNN BLOOM, JOHN
o HEISCH, ESTHER ALEX, and
'" VOLUNTEERS FOR PRIZES IN GORDON CAUBLE
III U JOHN HEISCH C
'0'" Meeting adjourned at 9 c .,III ., Relpectfully ~bm}tted:
They have just moved to 6110 E. 5th, Apt 227. is 747-0840.
CUNNINGHAM said that our mid-month activity is Peak Saturday, June 13. Meet at 10 a.m., Mission Donut Shop.
,,: /U/-A.y-oA -1.~ ,~.,.l-&"'- VERNE CAUBLE, SECRETARY
be no treasurer's report .
had some Corvair T shirts for sale.
absence of BEVERLY, there was no
JOHN LIGHT. LARRY
JOY STAFFORD VERN GRIFFITH
DANDRIDGE (License Plate).
81~ilJ.lt:JhT ~rorr 0))1 t" SeC'Tre To 'Cr.s
"Pen ., .... _ . ..
Early Model Speedometer Gears
By Bob Kirkman, Cvrl)allatic:s
F.e. Speedometer Gears rom Silvl"Y sugges.led ;'1\ (llli("/(I on
speedumeter geClrs (at the real (lxh' ) be("('lllc;.e ti l frequent substitutions 01 C\ C(llv,'\ir "passenger
(i1r" recH 5 1?!'"
Corvi'lir 1\",1" Pul Into An r.C . Driven Gear Illl o rrlli'ltioll
,'3. 27 Hilli!) ~e use your old F.C. 20 Im >I" gea T.
3.~ 1~ i'l1io ' 1 here is no recognized good substitulioll. YO\.lled e rf'(~Iibr"lf'd 10
register f"Mt>r or slowe! 1'Y (\ ~peerlnll1ptt>' shop Tf'g?lring "t thp a :t le !'l1d ()j 11i('
spf'edome le r c(l\:>If' It's ?I nlllttf'r o f t11
CORSA COMMUNIQUE/May 1964
By Gary Baxter
The March 1983 COnSA Communique had speed ometers are driven directly by the front larger lire I.aslhe opposlle eHect . Usually the some good Informallon on wlteel and tire se wheel , the tire has 10 make 825 re volutiolls cI.anye Is slight. Ho wever. changing 10 lecti on. To carry it a lillie further , I would like per mile also . This requires a Ure with a roll· something like a 180· 70x 13 has fhe effecl of to show some of the effects lire size has on illY diame ter of 24.45 inches, or using the changing the final drive ratio from 3.55: I to speedomeler accuracy and engine speed . 1.025 valve from above, a free diameter of 3.84: 1 and Increases the engine speed by
folrsl, an explanation of roiling diameter 25.05 inches . 8%. '-- vs. free diameter. When a loaded tire rolls, it Interes1ingly enough, the standard IIres You probably nollced a wide variation in flexes causing Ihe effective diameler and used by GM did nol malch Ihls dlameler. dimensions for the same size tire . This has al Ihus the distance traveled to be less than that Several Corsas I've driven show about 3180 ways been a problem wllh the old number of a non-loaded or free tire. The distance the rpm on the tach when the speedometer and leiter size lires . The metric size lires elim free lire travels Is lis circumference, or shows 60 mph . The lach should only show inates such wide ranges from one style or 3 . 1416 times ihe diameter. By measuring 2933 rpm for the Ideal size lire . This means brand 10 another. The first number, 180 In the distance that a loaded Ure travels we can the speedometer needle Is registering prop · the above example, shows the width at the calculate Its effective diameter a11d the per erly for a lire that Is oilly 92 .6% of the tdeal , widest point. The second Is the ratio or per· cent that this Is of the free lire . For a sel of or a free diameter o( 23 .1 inches . I howe cent that the height between the rim and the ,adlallires J measured , I came up with an ef· measured 6 .50x13's with free diameters of Iread is of Ihe widlh, or 70% of 180 which Is 'eclive loaded diameter of 97 .6% of tile (ree 23.25 10 24 .3 Inches. The smaller tile Is 126. These numbers are III millimeters, so diameter . This means that the free diameter close to what the needle appears to be set we need 10 COnvert 10 Inches to find the has 10 be 1.025 limes larger than the loaded for. The odometer, however, seems set for dialneler: 126 divided by 25 .4 eqlJ
P(r) IN ~ ON1E' ~ SE.~VICtTM
RON BLOOM - PH. 881-1443 C-39R Ucensed Contractor C-62
• Warm Air Heating • Service Maintenance • Cooling & Ventilating • Home Improvements
• All Types of Repair 4072 E. 22nd St. Suite 197· Tucson, Arizona 85711
Bonded Fax 602-745-8114
NOT J.CE : '
TI trp 'I SlIre