I went to Sacramento Raceway last night and I got six runs in which I guess is alot. My best three times were:
Reaction: .652
60':
330': 6.334
1/8th: 9.587
mph: 74.583
1000': 12.368
ET: 14.745
MPH: 94.521
60' timer was knocked out by 1/4 mile bowling

Reaction: .703
60': 2.203
330' 6.205
1/8th: 9.492
mph: 77.146
1000': 12.291
ET: 14.714
MPH: 90.544
I don't know why my mph was so low I guess I could have hit the brakes early or something.

Then I had my best run:
Reaction: .650
60':
330': 6.206
1/8: 9.491
mph: 77.239
1000': 12.287
ET: 14.687
MPH: 96.449
60' timer was out still.
All these runs where made with me shifting the auto and launching around 1000 to 1200 rpm.

My other runs were 14.881@93.154 with a 2.282 60', 14.832@94.568 with a 2.342 60', and 14.865@94.099. I just wanted to know what you guys think about my runs what I could do to improve them. I know my 60' times need help what could I do? What mods would help me out the most?(on a budget I'm a college student) I am totally hooked now and can't wait to go again with some new mods. Thanks in advance.

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'91 Z28 305, Auto trans, K&N's, air foil, power pulleys, ported plenum, hypertech chip, hooker cat back, kyb shocks, STB, SLP headers, catco cat, spohn lca's, 4th gen 5 star wheels, 14.687@ 96.449 mph

 

excellent... very good. Those times in a thirdgen translate into at least 240hp/315+ tq.
On these single cat 305 TPI cars, the stock manifolds are a huge bottleneck. Sounds to me like you bolted on a set of headers, and your car's ***** dropped. I gotta get some damn headers... btw my best time was 14.9@93.27mph last year, with the mods on my sig minus the tranny stuff and base porting.
I'm curious, how are you launching? Are you just flooring it off the line, or what? I can't break out of 2.3 60 foot times, it's killing my ETs.
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91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter
ported TPI setup

Built on Wednesday

[This message has been edited by MrJ (edited September 08, 2001).]

 

Thanks. I would definetly put some headers on it made a huge difference and it sounds awesome. My launches were horrible in my opinion I spun pretty bad considering I have sphoon lca's. What I did was put it in 1st bring up the revs to about 1200 rpms and then pretty much floored it. I should have tried to ease on the throttle but I guess I got to excited being my first time. I'm going to go back this week with my new homemade cold air kit and try to better my times with some better launches.

 

I ran tonight a gateway in east st.louis,ill. 14.83 at 92mph my car is all stock and has 180,000 miles on it. The engine and trans. were freshened up 50,000 miles ago. So i think your 305 did real good.

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1990 formula 350 tpi dual cat auto 9 bolt posi 3.27 ratio

 

I just ran my '89 Formula 305 TPI 5 speed for the first time this past weekend:

Reaction time: 0.687 sec
60': 2.229 sec
330': 6.129 sec
1/8 mile: 9.411 sec @ 75.42 mph
1000': 12.225 sec
1/4 mile: 14.624 sec @ 93.42 mph

SLP cold air induction, K&N filter, TPIS modified MAF, TPIS 52mm TB w/ airfoil, Random Tech 2-1/2” cats, SLP 2OTL cat-back, TPIS AFPR @ 49 psig WOT, March underdrive pulley, Accel 300+ coil & MSD 8.5mm wires, MSD dist cap/rotor, NGK plugs @ 0.040”, Hypertech 160 deg t-stat & fan switch, Hypertech Streetrunner chip, base timing 10 deg BTDC, StreetDamper balancer, Centerforce dual-friction clutch, Amsoil oil, filter, and diff fluid, Firehawk SZ50 EP P255/50ZR16

Had it at the dyno prior to its last tune-up, prior to new plugs, wires, dist cap, rotor, diff fluid, and with base timing at 5 deg BTDC. It pulled 203 hp and 269 ft-lb at the rear wheels, SAE corrected.

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1989 Formula WS6 M5
2001 Trans Am WS6 A4

More info at website:
http://www.fbody.com/members/stevenmh

 

Those are great times! Gosh,I gotta get my car into the 14's!!!

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82 firebird with 305H.O.,Block bored .30 over,Keith black hyperutectic flat top pistons for 10 to 1 compression,Turned crank,Magnafluxed connecting rods,Melling H.V. oil pump,and double roller timeing chain,Ported and shaved heads w/3angle valve job,Z-28springs,Summit push rods and comp cams magnum roller rockers,Ported Edelbrock performer r.p.m.intake,Carter 625 afbcarb,Accell spark plugs,wires,and H.E.I.super coil,Heavy duty cap and rotor,Clevite performance cam with 450-460 inches of lift,Comp cams lifters,700r-4 tranny rebuilt with trans-go rebuild kit,corvette servo,New torQue converter,Flowtech headers,Flowmaster muffler,3.73limited slip rear end,Energy suspension bushings from front to rear,Energy suspension tranny mount,New center link,ball joints,trans-am steering box,ASP power pully,Boxed L.C.A.'s.

 

you're not in the 14's already with those mods?

 

Casey I think that with the mods that you have if you got a custom chip, ported your heads(AFR's if you can afford them) and a new cam you may be looking at high to mid 13et's. JMO

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89 RS w/ 66,000 miles
305 TBI (converting to TPI )
Current mods: open air element and 3" SLp 2OTL cat back w/ no cat.
Future mods:
180cc AFR heads
Fully Ported TPI
xtreme enegy compcam .488/.495 lift and 218/228 dura @.500
9 bolt posi w/ 342 gears and disc
hotchkis rear suspension kit and panard bar
Riding on blk GTA wheels 265/45/R16 out back and 245/40/R16 up front

 

You guys get some grip and have 60's of 2.0 you guys would beat up on most of the 350's around here. They say moding a 305 is worth it.

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87 Z28 305 TPI, Auto, LT-1 cam (@.50 418/430, 194/199, LSA 111), roller timing set, 2.73, Gutted air boxes, K & N fillters, Dyno Max 3" cat back, 8.8 mm spirals, air foil, BFG Drag radials,170* Stat and TB bypass.
Old Best 15.414 @ 87.47.
new best 15.006 @ 89.55.
w/ drag radails 14.6 @ 93
“Fallen But Not Forgotten”