Texas Shootout
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I I TIMES 6" q+, F'()RT ST()CKT()I{ Mario Andretti helps us find the fastest street-legal car in America BYANDREW BORNHOP PIIOTOS BY OT'Y SPAIIGEI{BERG & ERIAI{ BUTDES CHARTS BY IIM BARIGR ARIO ANDRETTI RETIRED from full-time racing four years ago, but it doesn't seem like het been gone that long. Mavhe it's beciuse he still ac- companies his son Michael to all the CART races. Or malbe ir ha. some rhing to do with tho,e Teraco com- mercials. Whate.,.r the reason, there's one thing we carr say for sure about Mario Andretti-his status as an American racing legend is backed by a risum6 that's as long and laden with success as vou'll ever find. 'won He has in everything het driv- en-midgets, sprint cars, stock cars, Indv cari and Formula 1 cars. He's won champronshrp5 loo 'the moqt 1978 Formula I "ignificant being his crown. In his 35-year career. he' daz AUGUST 19e8 57 0.Dark-fiirty: l{umbers are dnwn out 0l Mario's helmet to determine the starting order, ,ohn Lirgenlelter (smiling, at right) looks like he knows his Vettes will exceed 200 mph. zled 'em at Daltona, drunk the milk at In addition to having the Mclaren Indy and had Chris Economaki say his F1 (the same car we tested in December name at least a thousand times. 1997) on hand, we had two Corvettes Whatt more, he's driven for the likes from Li ngenfelrer Performance Engi- ofAndy Graoatelli, Enzo Ferrari, Co1- neering (a C5 and a ZR 1), a box-stock in Chapman and. on one occasion. Ferrari 550 Maranello, a Toyota Supra even Frank Williams. And now. add Ti.ubo modified by HKS, a Venom 500 Road tl Tra& magazine ro rhac lisr. GTS Viper from Hennessey Motor- That's right, Andretti readily ac- sports and a narrow-body RufCTR 2 mile. in length. Each corner has 15 cepted our offer to top-speed test some 'rhar Alois (Louis) Rufairfreishred lrom degree banking in its outer lane, ofthe liastest street-legal cars in Amer- Germany to Dallas and dro-ve to Forr meaning a car can be driven at 140 ica. "Sounds like fun," said Mario, his Stockton with his wife, Estonia. (There mph on that part of the track without appetite perhaps whetted by the are CTR 2s licensed in the U.S. but any steering input. This oval has no chance to drive a Mclaren F1. they have the wild-looking wider "far guardrails, so a slight miscue could Hi. rask was simple in descriprion. bov' bodie" rhar arent good for rop send a car sailing offinto the desert. difficult in execution: We wanted him speed.) A polenr gfoup rndeed. wlrh an On test day, smoke from the raging to wring every last bit of speed out of average bhp of506! Mexican wiidfires cast an eerie pall these cars, all ofwhich are licensed for One important caveat was made over the desert, almost as ifthere was a th.e.treet. This would tale place at the clear lrom the start: Afrer the top- solar eclipse. But you tend to forget very same rrack in Texa. where Phil speed testing, we'd have each of the about such things when cars of this Hiil, America's only other F1 World cars railpipe-tested to see if rhey com- caliber are awakened and clear their Champion, drove in a similar test back plied with emissions Iawc. If rhey fuel-injected throats in preparation for in our June 1995 issue (we decided didn't, well, their maximum speeds their respective runs. Taking advantage rhar having Americas only rwo Fl simply would not be factored into our of rhe cool morning air. we began ear- World Champion. drive for us provid- 6nal test results. Iy. drawing number" out of Mario q ed an added dimension to the test). Our venue, kindly put at our dispos- helmet to determire the oh-so-lmpor- This time, however, we weren't limited al by the folks at Bridgestone and tant starting order. to American carsl rather, we assembled Firestone, was the 7.712-mile high- Without further ado, here are the a group from the U.S., Europe and speed oval at Fort Stockton, Texas (el- fastest street-legal cars in America, as Japan. And we hoped some would evation 3030 ft.), which has a pair of they took to the track, with all top have the ability to reach and exceed 1.5-mile straights and two constant- speeds recorded by our trusty Stalker that magical 200-mph mark. radius corners of approximately 2.3 radar gun. 58 RoAD &TRACI( aeto- ?Nt 200 n?h, it's quite clear to ne that the dynamics haoenT been studizd at this speed' This that too many times! ,o, ferk a little 'u:iggly, and it doesn't feel like it do 4 _)- rhi. IUn, as oul traP 1n- rear downlorceJ, nobodl can deny dicated? No it cri. out,Land:ng lop .need ll'5 'o fa't. in lacr, rhar rhe)00 uind couldn't have, be- "',ph 'u'Led .ause Lingenfelter rhe oa:lense, -ide window our ol ict knew rhr r at the ,pp.r .erl-ta problem we re noriced t 000-rom redline wl"i1e re. ing normal Product'on rn 5lh sear. hls L) Corvettes as well). *". ,rrrihematicallv Thi. ohenomenal .peed i. the d;recr Iimited to 204.5 ,-..,,1t oi Lireenfelter'' LSI V 8 pa,k- mph. Cleady, there ase, ruhi. h bimp" rhe output from the was a problem *irh .iock J45 bhp to a 'tout 450. Because our trap. Chew. alurr'inum V 8 cani be bored. So, after switch- Linginlelrer bump' ir up ro rear'y J8l an increa(e i1 ing to our radar crr. in. 'olelv rhrough stroke. At lround $i7,000, rhe co't ol system, we sent the :. C5 out agrin. No hi. packagc not cheaP. but -jt in yolye..omc pr qerior.,'i.tuft. rot stranger to Putting erty his right foot down, rhe lea.t ofwhi,h i' remorinq and di' rhe engine. Thar. follo$ed Mario sooo had the a\remt'lin[ -blueprinted car goinpl just as fast by a conpletely rebuild require' =aas before, coming down olI the banking uri"n r..*.rankshalt luhich block for crear ar lq0 and .hooiing la.r our radrr gun .,,.n! me.hinine ofrhe or20{.1 mph. ar, e,. high-coriPre"ion Pi'ron:.-hiller As rHIS sILvER rocket blasted Past /! a rerminal relo.irt like it," said Lingenfelter' ,od', i"t. rggr<"ire i,lm'h,lrt .rnd us and shot toward the timing trap, the "Thatt morc ^ l wa.n r nortrd ard polished heaJ.. \nd on oohs and the aahs from the Paddock Though Mlr:o larliculzrlY S lelr aerody- i,tli. t 5, n pro'or'rpe rubular exhau't could be heard above the roar ofJohn nl.e.ed wirh h"w rhe.a" l Lingenlelter 'ay' he'' rr!urk- mtnifold td the .rock c.rtarytic con Lineenfelrer. J83-cu.-in. V 8. Bur nam:cally ' f imPrn\e the vcrters and less restrictive mufflers. ..,,,ft it reallr have been a 2)4.1-mph ;ng ,rr .r bodv"kir to "rr' ALIGUSI TTSS 59 we wanted a car that made everybody smile. But we wanted it to be so potent Engine ............... a uminum-block ohv V8 Engine. .. iron'block tlllniurbo d0hc inlineo that half the people who ride in it will Displacement............ 6265 ccl382 cu. if. Displacement ............2997 ccl183c!. in. Bore x stroke. .. ... .99.1 mm x 101.6 mm/ be afraid to get back in the carl" Borc x stroke............ 86.0 mm x 86.0 mm/ 3.90 in. r 4.00 in. Well, Mario didnt find the car scary 3.39 in. x 3.39 in. Compression rat10.................... 10-7:1 ar all. calling thi. Sup.a "ab.olurell Compression ratio..................... 8.5:1 Horsepower (SAE) . 450 bhp @ 6100 rpm stab1e." Another apt description: "ab- Horsepower (SA[) . .. est 420 bhp @ 6200 rpm Torque................. 440 ltft @ 4900 rpm solutely affordable." That's because for Jorque................. 358 1trft @ 5800 rpm Transmission................. 6speed manual less than $10,000, you can turn your Transmiss]on................. Ospeed manual Finaldrive rauo...................... 3.1511 stock Toyota Supra Turbo into a car Fira.irive ntio.. .. .. 3.13:1 Whee|s.................-.. cast magnesium; Whees ....................3-piece modular; that easily breaks 180 mph. Without a 11 x 8Y!1, 18 x th t 18 x 8I, 18x9 r sacrifice in driveabiliry llres. [richelin Pllot SX I\4XX3; 245l452R 17 f, T]res ............ Pirel i P Zeto; 245/4A1I..$ I, 2151402R18 t All the work done to this Supra is of 265/35ZRtB t the bolt on varicty, work that can be The final drive had also been changed accomplishcd by any me- a 3.15:1 replacing the stock 3.,1-2:i chanically adept person. ratio. withwrth proper tools. -tnIn thisthrs Did ir surprice anybody thar Lin- case, though, it was han genfelter was ablc to bring a 200 mph dled by HKS, the firm ; C5 Corvette to our testi Not a bit. rhat m;kes the hrrlk ol I Toyota Supra Turbo, modlfied by HK$ tant of these is the pair UNLTKE THE oTHER cars in this of large ball bearing test-each of which had at least ooe turbos that send their handler and one meLhani, on hand charge through a mon- this Toyota Supra Turbo was simply strous intercooler.