I just bought an 88 RS 305TBI-AT. Last sunday I changed the oil, all eight plugs, the air filter and the PCV filter. A bad surging at 2500rpm(steady state) is now mostly gone. I look at the pukey plug wires on this car (some straight boots, some angled) in total disgust.
I need plug wires recommendation. I gotta
set a top $ limit of $50 on getting some wires that will good all the way to my goal of 260HP. What do you recommend.

 

MD,

Welcome aboard ThirdGen.org!

The spark plug wires installed on your engine may be an original set. GM mixed straight and angled plug boots where appropriate for best fit. I believe they still do that. A good set of wires should have relatively low resistance, high insulation resistance and heat resistance, brass terminations with steel assist springs, and silicone boots. Packard offers a good set that will fit your engine without modification (OEM wires). My factory wires are running a 350 to about 365 BHP without problems.

Later,
Vader

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"Some Body...Someone"

 

If you save a little more you could get Moroso blue max plugs for around $60. I have heard that they aren't too bad but I may be wrong. Or you can get MSD for about $60. I am not that great with prices though.

 

Original factory wires are suppression core (not spiral core) aren't they? If I were to buy a set of (replacement) wires from the dealer today, would they be spiral core? I have looked into GMPP wires (over $70) and they are spiral core.



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'87 IROC 5.7l TPI - original owner!

 

A set of Accel Super Stock direct replacement style wires should run you no more than $50 at your local Advance Auto.
Welcome aboard! I also see you're from Charlotte,NC. There are several of NC owners here as well. There's even a club called the North Carolina Third Gen Association. We have about 26 members from Charlotte to High Point. We try to get together once a month to meet and hang out. I'll email you the address.


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Mongoose-NCTGA-1990 Pontiac Formula/305 TBI-700R4 with Edelbrock Performer TBI intake,TES headers,and STB,K&N,MSD-6AL,Holley laser shot coil,Accel Extreme 9000 wires,Jet Stage 2 chip,TCI shift kit with corvette servo,Richmond 3.73 gear with Auburn 3 series posi,3" high flow cat with SLP 3" cat back,Eibach sportline springs,Energy Suspension poly throughout,Lakewood LCA and adjustable panhard bar package,SSM subframe connectors,IROC wonder bar,Tokico 5 way adjustable struts and shocks,Autometer electric fuel pressure gauge,Alpine,JL Audio,MB Quart,92 GTA taillights,92 GTA aero wing and hatch,Steve Spohn LCA relocater kit,MacEwen White face gauges,84 T/A cold air induction air cleaner.

 

Better yet,incase any other NC members want to check it out:
http://home.triad.rr.com/nctga/


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Mongoose-NCTGA-1990 Pontiac Formula/305 TBI-700R4 with Edelbrock Performer TBI intake,TES headers,and STB,K&N,MSD-6AL,Holley laser shot coil,Accel Extreme 9000 wires,Jet Stage 2 chip,TCI shift kit with corvette servo,Richmond 3.73 gear with Auburn 3 series posi,3" high flow cat with SLP 3" cat back,Eibach sportline springs,Energy Suspension poly throughout,Lakewood LCA and adjustable panhard bar package,SSM subframe connectors,IROC wonder bar,Tokico 5 way adjustable struts and shocks,Autometer electric fuel pressure gauge,Alpine,JL Audio,MB Quart,92 GTA taillights,92 GTA aero wing and hatch,Steve Spohn LCA relocater kit,MacEwen White face gauges,84 T/A cold air induction air cleaner.

 

I have accel super stock universal cut-to-fit wires (headers..) with 90 degree boots, took a little time but looks good, they were 30 bucks.

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1987 Formula 350, headman hedders, Accel supercoil, cap, rotor.
MAF screens removed. 160 degree stat and manual fan switch.

Best ET: 14.745@91.317mph-Stock
Best ET: 14.418@95.51 mph-Modded
Ridiculed Founder of the Traction Impaired Crew

 

Accel wires are good for the price, never had a problem with them, the morose blue max cracked in a matter of weeks on me, they also fit bad. They where a big improvement over the accel runnig wise. I am now running taylor sprial pro wires and I like the fit alot. Have not ran the car much so I don't know how they perform.

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86Z28, GM 350, Jet perf Q-jet & chip Dual snorkel air cleaner, Edelbrock performer intake, Edelbrock headers, Edelbrock cat-back, Off road pipe, MSD 6AL, Accel Super Coil, Moroso Blue max wires, Rapid fire plugs, Jet fan switch, World class t-5, Hurst Short Throw Shifter, Ram Flywheel, Center force dual friction clutch,Aluminum drive shaft, BW disc rear 3.45's & a posi, PBR calipers, Earls braided brake lines, Polygrapite bushings all the way around, poly tranny mount & torque arm mount, Hotchkis lower control arms & panhard rod, Rancho limiter straps, KYB struts & shocks, Gm Wonderbar, Edelbrock strut tower brace, SSM sub frame connectors, Jamex lowering springs, Carbon metallic brake pads, Crossed drilled rotors, Mobil 1 Tranny fluid & motor oil, GM syntheic rear end oil, K&N, Grant stering wheel, 1,200 watt system, Jet Black Paint, 91 Z28 rims, 92 wing, Tinted windows.

 

I use Taylor wires, within your budget and spiral core. They even seem to stand up to header heat quite well when routed properly.

Vader's right, most of these cars left the factory with 2 straight and 6 angled ends. All 90º will work fine though.

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"So many Mustangs, so little time..."