LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Do I need to tune it at once or things can wait?

Old 04-30-2006, 07:28 AM
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Default Do I need to tune it at once or things can wait?

the reason I'm asking, is that I don't think its a good Idea to take a zero miles motor and tranny to the dyno, here is what's done to the car:

Motor:
over hauled.
.020” over size pistons.
high volume oil pump.
home ported heads/intake (nothing big only match port).
Installed Hot cam.
1.6rr's and springs (Hot cam Kit)
LT headers and cat back. (no cats)
58mm BBK throttle Body.
Moroso CAI.
Free mods.
replaced Fuel lines, cooling lines, all sensors..etc.

transmission:

rebuild and added transgo shift kit.
TCI Breakaway Torque Converter 2400.


can I drive the car normally in the break in period (thinking of 1000 miles of break in) and not worry about tuning or do i need to tune it the day i crank her up?
Old 04-30-2006, 11:08 AM
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I'd get it tuned. Even if it was just a mailorder tune. Many engine builders dyno their engines right after assembly. I'd be more worried about running the engine without a tune than putting in on the dyno.
Old 04-30-2006, 11:18 AM
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dyno tune it, beating the **** out of a new motor will make the piston rings seal better, and if something breaks it wasnt built right.

Let it idle enough to warm up, then strap it to a dyno and tune it.
Old 04-30-2006, 11:22 AM
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That's how we did my Mustang when we installed the new engine. Didnt have one mile on it.
Old 04-30-2006, 07:23 PM
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Originally Posted by Honda Hunter
That's how we did my Mustang when we installed the new engine. Didnt have one mile on it.

get your laptop ready then the car should be ready some time this weekend.
Old 04-30-2006, 07:25 PM
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Originally Posted by aboatguy
I'd get it tuned. Even if it was just a mailorder tune. Many engine builders dyno their engines right after assembly. I'd be more worried about running the engine without a tune than putting in on the dyno.

I'm far away from the states, the mail order will take along time ti arrive and I really cant wait to drive the car, I've got it in Jan and haven't driven it 200 miles yet.

Dyno tune is my only option here.
Old 04-30-2006, 07:36 PM
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Originally Posted by LT1BRN
get your laptop ready then the car should be ready some time this weekend.
No prob. If you like you could email brian at pcmforless for a tune and have him send it to me and Ill upload it to your computer. I'm sure someone on the board has the same setup who could give you a file to get by on.
Old 04-30-2006, 09:04 PM
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You should be fine on the stock tune. A dyno tune will optimize what you have, though.
Old 05-01-2006, 07:02 AM
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Originally Posted by Honda Hunter
No prob. If you like you could email brian at pcmforless for a tune and have him send it to me and Ill upload it to your computer. I'm sure someone on the board has the same setup who could give you a file to get by on.
yeah that would be great.


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