Blown Head Gasket - Anyone Seen Anything Like This
#16
08-05-2009 | 07:24 PM
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No,Ben had a dual inline pump system rather than the Evoms dual pump in parallel system like is in my car.The dual pump inline system tends to cavitate (one pump is pushing fuel through the restriction of the other pump)resulting in a lean condition causing detonation.
#17
08-05-2009 | 07:25 PM
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Jag, what fuel system are you running?
#19
08-05-2009 | 07:29 PM
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I didn't want to say anything about detonation as it may or may not call the tune into question. But if you have the plugs out, easy to see. And will soon have the heads off...easy to see...
Jags, do you have a boost controller and control your own boost or do you use factory controlled boost through your tune?
#20
08-05-2009 | 07:40 PM
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I have a built motor with the ARP studs. My car did not leak coolant, just a small amount of oil was coming from cylinder 4. I am tuned for 94 and that is what I run.
No other damage occured to my motor other than the blown gasket.
Jag, What did John say?
Ben
#21
08-05-2009 | 07:42 PM
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Gt700 fuel system, which is larger injectors, larger fuel lines and I believe a 4 bar fpr.
#22
08-05-2009 | 07:43 PM
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I didn't want to say anything about detonation as it may or may not call the tune into question. But if you have the plugs out, easy to see. And will soon have the heads off...easy to see...
Jags, do you have a boost controller and control your own boost or do you use factory controlled boost through your tune?
Jags, do you have a boost controller and control your own boost or do you use factory controlled boost through your tune?
I have a EBC and it was tuned by the shop with the GIAC software through EVOMS.
#23
08-05-2009 | 07:45 PM
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Hey Jag, I am very sorry to hear about this! I am shocked that much coolant came out.
I have a built motor with the ARP studs. My car did not leak coolant, just a small amount of oil was coming from cylinder 4. I am tuned for 94 and that is what I run.
No other damage occured to my motor other than the blown gasket.
Jag, What did John say?
Ben
I have a built motor with the ARP studs. My car did not leak coolant, just a small amount of oil was coming from cylinder 4. I am tuned for 94 and that is what I run.
No other damage occured to my motor other than the blown gasket.
Jag, What did John say?
Ben
Jag
#26
08-05-2009 | 08:07 PM
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Good advice and could go long and far in troubleshooting what happened...
#27
08-05-2009 | 08:19 PM
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I find it amazing, when running these motors with high boost that very few monitor individual head temperatures with the sensors located near these two cylinders.
Last edited by cjv; 08-05-2009 at 09:14 PM.
