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LT1 cam into LB9

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Old Mar 22, 2003 | 06:27 PM
  #1  
SLP IROC-Z's Avatar
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From: Salem, NH
Car: 1999 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23 10 Bolt
LT1 cam into LB9

is swapping an stock LT1 cam into a stock intake and head LB9 a decent mod?? or a waste of time, what kind of power increase should i see and will my power band increase? to what rpm?
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Old Mar 22, 2003 | 08:39 PM
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
you already have the l98 cam so going to a lt1 cam wont make much of a difference..

itll pull a litter harder on top but i dont think the peak will change very much
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Old Mar 23, 2003 | 02:26 AM
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From: Houston, Texas
Car: 1989 GTA Nighthawk
Engine: 389 CID TPI
Transmission: TCI 700R4
Axle/Gears: 9 bolt 3.23
You know you have to modify the stock LT1 cam to fit into your engine. The locating dowell on the end is longer on an LT1 to drive the Optispark.
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Old Mar 23, 2003 | 12:41 PM
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From: Where the Devil Dances, IL
Car: 87Z
Engine: ?
Transmission: A4
Originally posted by f-crazy
you already have the l98 cam so going to a lt1 cam wont make much of a difference..

itll pull a litter harder on top but i dont think the peak will change very much
He's right dont waste your time with a LT1 cam. You dont get the cheap way to a few extra HP, it all ready came in your car, the extra HP that is. Go for something with a little more *****.
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Old Mar 23, 2003 | 10:20 PM
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From: marlborough/dartmouth, MA
Car: 1988 IROC-Z
Engine: LB9
Transmission: 700R4
the lt1 wont be worth the effort of changing the cam, check out the lt4 (not hot) it is cheap and will get u good gains in the LB9, i have one that isnt in yet...but u do have to modify the little thingy yeah (little thingy is the technical term)
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Old Mar 23, 2003 | 10:28 PM
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
id aslo suggest the lt4 cam...

with a few more mods you could use the lt4 hot cam...since u have a stick itll be easier for daily driving
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Old Mar 23, 2003 | 10:45 PM
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From: marlborough/dartmouth, MA
Car: 1988 IROC-Z
Engine: LB9
Transmission: 700R4
check out ebay, i got my lt4 for 60 bucks new...oh and to answer ur question, the rpm power range will push up a little due to the relatively wide lobe seperation of i think 115 and u may lose a little torque but the hp gains will be worth it...with 100% stock maybe 20hp?
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Old Mar 24, 2003 | 02:26 AM
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
id say atleast 20 hp peak...but everywhere else the gains will be more significant
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Old Mar 25, 2003 | 09:44 AM
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SLP IROC-Z's Avatar
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From: Salem, NH
Car: 1999 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23 10 Bolt
i already bought an LT1 cam :-( ill keep an eye out for an lt4, i hate wasting money damn it
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Old Mar 25, 2003 | 09:47 AM
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SLP IROC-Z's Avatar
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From: Salem, NH
Car: 1999 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23 10 Bolt
hmm i found this a little pricey tho
http://cgi.ebay.com/ebaymotors/ws/eB...category=33614
i bought an lt1 cam for $20.50
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Old Mar 25, 2003 | 10:52 AM
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From: Where the Devil Dances, IL
Car: 87Z
Engine: ?
Transmission: A4
Originally posted by SLP IROC-Z

i bought an lt1 cam for $20.50

You paid $10 to much.
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Old Mar 25, 2003 | 11:15 AM
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From: Salem, NH
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Axle/Gears: 3.23 10 Bolt
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