Just Dyno'd..the numbers are in
Thread Starter
Joined: Jul 2005
Posts: 1,428
Likes: 2
From: Guilford, Connecticut
Car: 1988 IROC-Z camaro
Engine: 355 TPI
Transmission: tko 500
Axle/Gears: Dana 44 3.31 posi pbr brakes
Just Dyno'd..the numbers are in
216rwhp
261rwtq
This is a 305tpi with headers, three inch exhaust, LT4 cam, Arizona speed and marine runners, edlebrock base, ported plenum, and coolant bypass. There is some other modes but nothing as major as these. So im thinking this is a pretty healthy 305. It pulled all the way up to 4700rpms where the graph shows the power falls off. Btw these are the corrected numbers. If i gave u the uncorrected numbers then it they would be 238rwhp. I forget what the torque rating was for the uncorrected number.
261rwtq
This is a 305tpi with headers, three inch exhaust, LT4 cam, Arizona speed and marine runners, edlebrock base, ported plenum, and coolant bypass. There is some other modes but nothing as major as these. So im thinking this is a pretty healthy 305. It pulled all the way up to 4700rpms where the graph shows the power falls off. Btw these are the corrected numbers. If i gave u the uncorrected numbers then it they would be 238rwhp. I forget what the torque rating was for the uncorrected number.
Thread Starter
Joined: Jul 2005
Posts: 1,428
Likes: 2
From: Guilford, Connecticut
Car: 1988 IROC-Z camaro
Engine: 355 TPI
Transmission: tko 500
Axle/Gears: Dana 44 3.31 posi pbr brakes
Re: Just Dyno'd..the numbers are in
Not sure. It was in the car when i bought it. All i was told is it was an LT4 cam. I'll see if i can get the answer from the former owner at some point.
Junior Member
Joined: Sep 2007
Posts: 57
Likes: 0
From: mckeesport. pa
Car: 88transam/ 86 iroc-z/ 64 corvette
Engine: ta 400ci tpi/ iroc 327 / vette 327
Transmission: ta 5 speed/ iroc 700r4/ vette m-22
Axle/Gears: ta 3:42/ iroc 3:73/ vette 4:11
Re: Just Dyno'd..the numbers are in
what are the specs on the LT4 cam?
LT4 HOT cam pn#24502586 279/287; duration at .050" tappet lift (intake/exhaust) is 218/228 1.6 rocker ratio (intake/exhaust) is 525/525. Valve lash is zero/zero and lobe centerline is 112 degrees. with 1.5 rockers. lift is .492/.492
LT4 HOT cam pn#24502586 279/287; duration at .050" tappet lift (intake/exhaust) is 218/228 1.6 rocker ratio (intake/exhaust) is 525/525. Valve lash is zero/zero and lobe centerline is 112 degrees. with 1.5 rockers. lift is .492/.492
Thread Starter
Joined: Jul 2005
Posts: 1,428
Likes: 2
From: Guilford, Connecticut
Car: 1988 IROC-Z camaro
Engine: 355 TPI
Transmission: tko 500
Axle/Gears: Dana 44 3.31 posi pbr brakes
Re: Just Dyno'd..the numbers are in
Its not the LT4 hot cam. Its just the "regular" LT4 cam.
Member
Joined: Jul 2007
Posts: 248
Likes: 0
From: Michigan
Car: 2007 Cobalt LT
Engine: M62'd 2.2L L61
Transmission: 4T45E 4-speed Automatic
Axle/Gears: Stock
Re: Just Dyno'd..the numbers are in
Then it would seem that it is PN 12551142
Last edited by MP81; Nov 3, 2007 at 10:44 PM.
Thread
Thread Starter
Forum
Replies
Last Post
LT1Formula
Engine/Drivetrain/Suspension Parts for Sale
7
Oct 8, 2015 08:34 PM
3.8TransAM
NW Indiana and South Chicago Suburb
1
Sep 27, 2015 08:37 PM
