My motor is being rebuilt, can you help identify the cause of the problem?
01-12-2008, 10:05 PM
#11
2nd Gear Member
Join Date: Dec 2007
Location: virginia
Posts: 484
RE: My motor is being rebuilt, can you help identify the cause of the problem?
ORIGINAL: mpatilla
If you don't drive any hard miles and you don't race, why do you have a specially built supercharged GT? I don't understand the logic.
ORIGINAL: mattsimonton
Both motors had virtually no hard miles. Car has never and will never be raced.
Both motors had virtually no hard miles. Car has never and will never be raced.
01-13-2008, 01:42 AM
#12
5th Gear Member
Join Date: May 2005
Location: New Jersey
Posts: 4,536
RE: My motor is being rebuilt, can you help identify the cause of the problem?
the KB tune that came with the blower was for a stock 4.6 3v, (unless you told Kenne Bell what you had and he worked a tune for you.)
well anyway. he had a built engine, its different. a custom dyno tune is a must for a built and blown motor! that way the tune will be spot on, and is perfected for all your specific mods.
well anyway. he had a built engine, its different. a custom dyno tune is a must for a built and blown motor! that way the tune will be spot on, and is perfected for all your specific mods.
01-13-2008, 02:43 AM
#14
4th Gear Member
Join Date: Jul 2007
Location: Houston TX
Posts: 1,474
RE: My motor is being rebuilt, can you help identify the cause of the problem?
^exactly. its not anyone's fault but yours really. just b/c its built, a tune that does not match the motor will still blow it easily. i ALWAYS recommend getting a dyno tune. Never rely on canned tunes, ESPECIALLY with boost.
01-13-2008, 07:49 AM
#15
2nd Gear Member
Join Date: Aug 2006
Location: Michigan
Posts: 289
RE: My motor is being rebuilt, can you help identify the cause of the problem?
Car has never been raced. But it has a built motor and a kennebell supercharger, all things to make it go faster. Sounds raced to me. I agree though, probably in the tune. This time around get it tuned and invest in a wideband.
01-13-2008, 07:08 PM
#16
2nd Gear Member
Thread Starter
Join Date: Nov 2007
Location: Alaska
Posts: 156
RE: My motor is being rebuilt, can you help identify the cause of the problem?
We had it in Germany when the first motor blew and then it was babied since I got it back in the states. I had every intention on strapping it onto a dyno but Germans are crazy expensive if you dont have a bimmer. Most of the miles with the second motor was with the boost in bypass (no boost) I know the logic of having a very fast car and not race it is pretty stupid but thats just me. Will I race it in the future? as soon as I know the tune is perfect and she'll handle it and I can afford it...probably. I just like my toys.
Good thing is, it is going on a dyno this time!!!lol
take it easy gents
Good thing is, it is going on a dyno this time!!!lol
take it easy gents
01-18-2008, 08:10 PM
#17
2nd Gear Member
Thread Starter
Join Date: Nov 2007
Location: Alaska
Posts: 156
RE: My motor is being rebuilt, can you help identify the cause of the problem?
Woohoo Good news. Turns out the pistons made it and what I was looking at was a bent valve. The tune turned out to be the culprit and was running in a way that develobed a ton of carbon on my pistons and head and clogged up a valve and she slapped and bent. They are in the process of rebuilding now and will be done either tomorrow or early next week. I will be expecting the car the end of next week.
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