I have a goodwrench replacment 350, the balancer was like 65 bucks it should do the job right? the motor will never go beyond 5,000 rpm, if it ever gets that high.

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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, Taylor Spiro-pro 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.

 

if its an OEM replacement than it should be fine to about 5800 rpm. After that dont press your luck.

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1983 Pontiac Firebird SE
LG4-Based Chevy 400
700R4 Tansmission
Modified 4 Barrel Q-Jet Carb
Accel Super Stock 8mm Wires
Edelbrock Pro-Flo Air Cleaner
3.23 Posi Rear
14X7" Cragar SS/T Wheels
Clarion 45X4 CD/AM/FM Head Unit
100WX2 Amp
2 Pioneer 12" Subs in Custom Box
Third Gen Performance
"A four cylinder is only half an engine"

 

As long as you dont go over 5000 rpm,you will be ok.I am sure you will not have a problem even if you do go over 5000,as long as it isnt an everyday occurence.The smaller balancer will help the motor rev a little quicker,if it is even noticeable,it is less rotational mass.I would suggest getting a new timing tab to go with the balancer(if you havent already)so that you can time the car correctly.Hope this helps you out.

 

I got one of those pro form covers that has all the marks on it and a chrome timing tab.

 

The replacement 350 already has the correct timing tab unless you put on your old rusty timing cover (!?!?!?!?). Getting it from Summit or Autozone doesn't matter. I was going to go the Summit way but OEM quality pretty much translates to cheap so I figure I'll have the same luck with either place. Just make sure you get the one @ 2 o'clock from the people at Autozone. I ordered one @ 12 o'clock (stock replacement) because I forgot for that the new one is at 2 o'clock....however they gave me one timed at 2 o'clock which makes me worry if I was going to put this on a stock L69....(hehe, finally their screw up worked for me!)

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1984 WS6 Trans Am Hartop
Former L69 Car under restoration
1984 Trans Am T-tops
4-bolt main 350, performer intake, headers, Holley 650, T-5, hayes clutch, dual elec. fans and 3.23's.
Daily driver and restoration
13.98 @ 101