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Mysterious leaks

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Old Oct 7, 2001 | 07:59 PM
  #1  
Mongoose's Avatar
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Joined: Nov 1999
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From: Monroe,NC
Car: 90 Formula
Engine: 305
Transmission: 700R4
Axle/Gears: 9 bolt/3.27
Mysterious leaks

I was cleaning my car today and noticed a very small puddle of oil sitting in the area where the intake meets the head and was pretty sure that it was just a leaking valve cover gasket and an easy fix. After starting the car for the trip home I noticed a small puddle of antifreeze sitting at the front area where the intake meets the head. Now I'm worried. I brought it home and raised the hood to see if it got any worse and it was completely dry at both places! Is it possible my intake(Edelbrock aluminum)is slightly warped enough to cause a leak when cold and sealup when hot? Am I looking at replacing the intake gaskets or worse?

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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,high flow cat,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 and torque arm,MacEwen White face gauges,84 T/A cold air induction air cleaner,Grant Formula GT wheel.
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Old Oct 7, 2001 | 10:21 PM
  #2  
Engineboy's Avatar
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Joined: Dec 1999
Posts: 1,237
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From: Reno, NV
Car: yep
Engine: uhuh
Transmission: sure does
As far as the coolant, check the water outlet, they often will leak cold and not hot.

The oil, if its collecting around the intake bolts, is coming up the threads. Use a teflon type sealant on them when installing them, like PST sealnt from loctite.

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