Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
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Old Dec 7, 2000 | 08:43 AM
  #1  
gta324's Avatar
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25 Year Member
 
Joined: Aug 1999
Posts: 2,441
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From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
What to do?

Need opinions....

Should I go for a 383 or a 355 when I do my rebuild? All internals will be forged and comp. set to 9.3. I will keep my other mods (se sign) and probably add a ATI 9psi kit in the future (I hope....).

What kind of power will I make with just the 383/355 without a ATI.

Is it possible to hande the power I will get from a SC 383.

Tha car is a daily driven....


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GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTR, !plenum, 52 TB, MSD 6AL, TPIS level V prom, Superior shift-kit and all the minor mods. and more to come!
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)
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Old Dec 7, 2000 | 09:41 PM
  #2  
Dan87IROC-Z's Avatar
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Joined: Feb 2000
Posts: 1,196
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From: Fort Collins, Colorado
I'd go with the 383, its just as streetable of an engine as is the 350 and 355 and it will make more power.

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1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission with 2.77:1 Rear End

Current Mods: Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip with 160* Thermostat, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET : 14.32 @ 97.7mph
(corrected for elevation)

Soon to come: LT4 HOT Cam, Air Flow Research 190cc Heads, 2800 RPM Stall Converter and SLP 3.70 Rear End Gears.
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