I have an 87 GTA 305 5SPD.
Hypertech airfoil
gutted maf
3" walker pipe to dynomax super turbo muffler
high flow cat
KN filter with slightly modified airbox.
3.45 posi.
200+ thoughsand kilometers.about 130 thoughsand miles.
26ft elevation.
If car runs good and i get a decent start what am i looking in the Quater mile.
Would an open cone filter improve my times alot im thinking of putting one in tommorow
Thanks for the info.

[This message has been edited by Stormshadow GTA (edited April 09, 2001).]

 

mid 14's

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'88 IROC TPI 355, '69 truck 4-bolt, fully balanced, 9.75:1 compression, fully ported '70 truck heads(for now), Harland Sharp 1.6 Roller Rockers, Comp Cams CS 252AH-12, ported '86 TPI converted to speed density, Crane AFPR, Flowmaster 3in. exhaust, Edelbrock TES headers, all emissions equipment is still intact, plan on burning my own chips, many more mods and parts on the way as time and money permits =(
Best E.T. with TBI 305: 16.11 @ 82mph
Haven't been to track with new motor
If you have any questions on converting from TBI to TPI email me at jdkchevy70@yahoo.com
In memory of Dale Earnhardt, I'll miss cheering for that black #3 on raceday!!!

 

I'd say mid 14s as well.

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Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray

 

mid 14s if you speed shift? did you see my reply to your post?

Launch below 3k . Maybe even less if you don't use drag radials. Shift at around 5k or before.

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91 Formula 1LE 1 of 46
305 TPI 5speed
1LE/G92/WS6

Paxton SN92 supercharger, Ford SVO 24#injectors, Crane AFPR,SLP airfoil, ported/polished plenum, March alt. pulley,Crane Gold 1.6rrs,MSD coil,MSD6AL (5400rpm limit),Holley 9mm wires,Ac delco R43ts plugs,custom chip,Bosch O2sensor,SLP 1 5/8" headers,SLP catback,shortened shifter,3:73s w/Auburn posi,180* t-stat,JET 195* fan switch, Macewen white face gauges, Autometer gauges, Zoom hi-performance clutch.

 

By the way, a cold air setup (routed underneath car ..email me if you need info) would greatly help you. Especially with the pos of an intake piece GM puts on the 87s