LT1 Engine Rebuild
Mar 4, 2009 | 10:24 AM
Thread Starter
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From: Port Byron IL
LT1 Engine Rebuild
I have bored my LT1 30 over, and refreshed the crank and rods.
I installed:
-SRP forged pistons that keep the stock compression ratio (10.5:1)
-AFR 180 heads
-Crane Cam (lift intake 319, exhaust 345)
-1.5 rockers
-52 mm throttle body
-stock intake
-1 3/4 long tube headers
-32 lb. injectors
I am using Tuner Pro RT to tune the car, but this is my first experience with the software.
Does anyone have a bin file already developed with a similar combination?
Mar 5, 2009 | 12:06 AM
Instructor
Joined: Jan 2009
Posts: 144
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From: Go'n 2 Surf City.. it's 2 to 1
Sure your Cam info is right?? That would be a ton of duration you're
quoting.
Mar 5, 2009 | 08:32 AM
Race Director
Joined: Apr 2000
Posts: 15,344
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From: Texas
Quote:
Sure your Cam info is right?? That would be a ton of duration you're
quoting.
Tiny lift numbers as well.
Waaaaay too big injectors. Most use 30s with 383s with a lot bigger cam.
Is this engine blown or NA?
Mar 5, 2009 | 10:41 AM
Safety Car
Joined: Apr 2005
Posts: 3,624
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From: Dale City VA
He is quoting the cam card and it probally list lobe lift.
With his 1.5 rocker it is .478/.517@the valve.
Will
Mar 5, 2009 | 11:04 AM
Le Mans Master
Joined: Feb 2000
Posts: 9,715
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From: Kempner Texas
Quote:
Originally Posted by
allbowties
I have bored my LT1 30 over, and refreshed the crank and rods.
I installed:
-SRP forged pistons that keep the stock compression ratio (10.5:1)
-AFR 180 heads
-Crane Cam (lift intake 319, exhaust 345)
-1.5 rockers
-52 mm throttle body
-stock intake
-1 3/4 long tube headers
-32 lb. injectors
I am using Tuner Pro RT to tune the car, but this is my first experience with the software.
Does anyone have a bin file already developed with a similar combination?
If you don't come across a bin, you can buy one from PCMFORLESS.com that should be very close to what you need.
Jake
Mar 5, 2009 | 11:15 AM
Race Director
Joined: Apr 2000
Posts: 15,344
Likes: 4,009
From: Texas
Quote:
Originally Posted by
rklessdriver
He is quoting the cam card and it probally list lobe lift.
With his 1.5 rocker it is .478/.517@the valve.
Will
Yep. I assumed that and for 32# injectors and that much duration it sure seems tiny
Mar 5, 2009 | 01:27 PM
Thread Starter
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Joined: Apr 2007
Posts: 59
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From: Port Byron IL
The cam duration is 210 intake and 224 exhaust. It is fairly mild.
Since 30 and 32 # injectors were the same price, I purchased the 32's. If 32 #/hr is not necessary, this will allow me to run the injectors less than the duty cyle.
Does anyone have a bin file with similar mods?