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Vavle train oiling
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69GTOby
User
| Posts: 194
| Joined: 02/09
Posted: 10/11/09
04:54 PM
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Yea, it still has the low vac issue. I don't know what the hell is causing it.
It has been doing this weird thing lately. I'll take the car out for a drive and while it's warming up sometimes it back fires and pops badly under even light acceleration. The engine will be very near operating temperature (160* t stat), but it will still act up.
1969 GTO, YS code 400, 350hp/445 ft lbs of torque (stock specs), LT headers, H-pipe, 750 Holley 4160, Ignitor II ignition. Complete Painless wiring.
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Posted: 10/11/09
05:10 PM
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Have you checked for vacuum leaks?
What is the timing set at?
You could have wiped a lobe on the cam out due to the poor oil pressure.
professional hi-performance engine builder
Horsepower sells engines and torque wins races
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69GTOby
User
| Posts: 194
| Joined: 02/09
Posted: 10/11/09
06:03 PM
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18* BTDC. No vac leaks, I have looked and looked. When I idle the engine with the valve covers off, I can watch each rocker moving the same amount.
1969 GTO, YS code 400, 350hp/445 ft lbs of torque (stock specs), LT headers, H-pipe, 750 Holley 4160, Ignitor II ignition. Complete Painless wiring.
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Posted: 10/18/09
02:56 PM
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Man, check the oil galley plug on the pass. side of your' cam plug on th rear of your block. If it is not there then you will definately have a valve train lube issue. Refer to Jan. 09 Hot Rod ( 101 Tech Tips)pg.76. I hope this helps.Dave
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69GTOby
User
| Posts: 194
| Joined: 02/09
Posted: 10/22/09
05:56 PM
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Yea, I have heard about those plugs and I understand that if it was missing I would have valve train oiling issues. But, I haven't been in there, so unless someone broke into my garage at night, took apart my engine, removed the oil galley plug, then put it all back together and left, it should be in there...
1969 GTO, YS code 400, 350hp/445 ft lbs of torque (stock specs), LT headers, H-pipe, 750 Holley 4160, Ignitor II ignition. Complete Painless wiring.
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