LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

GM847 install and first start!

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Old 07-31-2008, 08:27 PM
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http://www.youtube.com/watch?v=LOVBm...eature=related

gm 847 w/stock heads

No traction
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Old 07-31-2008, 08:40 PM
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Originally Posted by <Puck>
Was that at "Ice Cold Auto Air/Muffler City" on East Colonial?

If so, I had them weld up my catless TD's as well when I drove up with open headers - they did a great job . The whined a bit at first about how loud it was going to be, and kind of tried to convince me to use a cat or a "real" muffler...not a chance in hell!
your exhaust thread is what made me decide to get that exhaust
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Old 07-31-2008, 08:41 PM
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Originally Posted by DRIVEFASTKEEPLEFT
i honestly watched that video about 10 times throughout my build. used it for motivation LOL! sick car btw
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Old 07-31-2008, 08:52 PM
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Originally Posted by DRIVEFASTKEEPLEFT
Originally Posted by MadMike 97 Z28
i honestly watched that video about 10 times throughout my build. used it for motivation LOL! sick car btw
Haha I agree, that video gave me inspiration for my car.

DRIVEFASTKEEPLEFT, did it really have stock heads on it in that video? Sounds like you are reving to 6800-7000 in that video, I know my tach looks buried when I am turning 6600rpm and you went past that in that video it seems.

Either way, very cool and here's a in-car video of my 847 car:

http://www.youtube.com/watch?v=hyvAj1GZWMg
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Old 07-31-2008, 08:58 PM
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Stock heads but gasket matched. Thats it. I was reving the car close to 6800 back then without a dyno telling me I was maxed out around 6200. Now with the set of heads I have on the car, and spraying 200, it pulls to 6700 and thats my peak. I WILL have new motor and nitrous passes up on youtube very soon.

Thanks for the compliments guys. These LT1's can still sound tough.
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Old 07-31-2008, 09:00 PM
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Originally Posted by DRIVEFASTKEEPLEFT
Stock heads but gasket matched. Thats it. I was reving the car close to 6800 back then without a dyno telling me I was maxed out around 6200. Now with the set of heads I have on the car, and spraying 200, it pulls to 6700 and thats my peak. I WILL have new motor and nitrous passes up on youtube very soon.

Thanks for the compliments guys. These LT1's can still sound tough.
What did you end up using for a shift point once you found that it peaked around 6200 (on stock heads)?
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Old 07-31-2008, 09:17 PM
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6200, that way I'm right about 6300 when I shifted. Made a big different at the track going from 6700 to 6300.
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Old 07-31-2008, 09:18 PM
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Cool, that's right about what my "butt dyno" told me was the best shift point (63-6400rpm)

Can you shoot me a PM with what times you ran and stuff?
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Old 07-31-2008, 09:39 PM
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Late Night Ride

http://videos.streetfire.net/video/L...ise_174750.htm
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Old 08-01-2008, 02:20 AM
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Originally Posted by MadMike 97 Z28
your exhaust thread is what made me decide to get that exhaust



You referring to Puck or me? I couldn't find an exhaust thread for Puck so im confused, haha.
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Old 08-01-2008, 11:05 AM
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Originally Posted by '94 Bad A Z28
You referring to Puck or me? I couldn't find an exhaust thread for Puck so im confused, haha.
you. i posted in there and asked a few questions way back when. LOL
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Old 08-01-2008, 11:20 AM
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changed the ending

http://videos.streetfire.net/video/G...Z28_174778.htm
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Old 08-01-2008, 11:51 PM
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Originally Posted by MadMike 97 Z28
you. i posted in there and asked a few questions way back when. LOL



Glad I could be of some assistants, lol.
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Old 08-19-2008, 12:47 PM
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here is what the exhaust sounded like

http://www.youtube.com/watch?v=v94QV1si9gc
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