C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Camshaft options

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Old Sep 5, 2015 | 03:21 PM
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Default Camshaft options

Does anyone know few Camshafts that are better than hot cam ?

I mean for power gains and better drivability.


for LT1.
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Old Sep 5, 2015 | 05:51 PM
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http://www.advancedinduction.com/LTX...Valvetrain.php


Ai 220 / 230 - .560" / .555" - 112 LSA
Our version of a GM LT4 Hot Cam, but with the potential to make another few hp over the old GM grind. Typically makes peak power at 5800-6000rpm in stock LT1 long blocks. Properly tuned this small grind will run and drive well with stock gearing & converter.

Ai 226 / 234 - .566" / .566" - 110 LSA
Easily our most popular daily drivable grind for 350cid applications. Typically makes peak power at 6000-6200rpm in stock LT1 long blocks. Properly tuned it will run and drive well in M6 cars w/ stock gearing. A4 cars should run a 3.42+ rear end gear & 2400 rpm converter minimum. Can pass emissions in some states on 110° LSA, though 112-114° LSA makes it more likely to pass.

Either one of these would do well.The first one would be a better choice most of the time unless you have done other modifications.Make sure you change the valve springs and it would be a good time for a roller rocker upgrade.You will need to have the computer tuned as well.I am sure you already know this but posted it just in case you don't.

Last edited by 96 lt-4; Sep 5, 2015 at 06:11 PM.
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Old Sep 6, 2015 | 12:17 AM
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Originally Posted by 96 lt-4
http://www.advancedinduction.com/LTX...Valvetrain.php


Ai 220 / 230 - .560" / .555" - 112 LSA
Our version of a GM LT4 Hot Cam, but with the potential to make another few hp over the old GM grind. Typically makes peak power at 5800-6000rpm in stock LT1 long blocks. Properly tuned this small grind will run and drive well with stock gearing & converter.

Ai 226 / 234 - .566" / .566" - 110 LSA
Easily our most popular daily drivable grind for 350cid applications. Typically makes peak power at 6000-6200rpm in stock LT1 long blocks. Properly tuned it will run and drive well in M6 cars w/ stock gearing. A4 cars should run a 3.42+ rear end gear & 2400 rpm converter minimum. Can pass emissions in some states on 110° LSA, though 112-114° LSA makes it more likely to pass.

Either one of these would do well.The first one would be a better choice most of the time unless you have done other modifications.Make sure you change the valve springs and it would be a good time for a roller rocker upgrade.You will need to have the computer tuned as well.I am sure you already know this but posted it just in case you don't.

Nice

my car has the hot cam package with springs and higher rocker ratio, the power range is good. But i'm not comfortable with the idle. I wish it was little smoother.

Will check those, thanks
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Old Sep 6, 2015 | 12:27 AM
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How much time was spent tuning it, not sure a cam change (esp larger) is the answer
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Old Sep 6, 2015 | 02:46 AM
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Originally Posted by cuisinartvette
How much time was spent tuning it, not sure a cam change (esp larger) is the answer
It was installed and tuned before I buy it.

Do you mean the tune was not good enough ?
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Old Sep 6, 2015 | 03:31 AM
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Are you sure it is a Hot Cam?

The Hot Cam is a very very mild cam, with almost a stock like idle, and a very small lope.
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Old Sep 6, 2015 | 06:10 AM
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Originally Posted by James93LT1
Are you sure it is a Hot Cam?

The Hot Cam is a very very mild cam, with almost a stock like idle, and a very small lope.

Thats what ive been told by previous owner. I will record a video and post it here.

How can it be almost stock idle while it is 112 LSA ?
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Old Sep 6, 2015 | 07:29 AM
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The wider the LSA the more tame the idle is.Hot cam has a little lope at idle but is not radical by any means.
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Old Sep 7, 2015 | 07:46 PM
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Am doing the same. I had the hotcakes on another build (imp ss lt1) ND am going with the cc503 or gm846; both are about the same spec and higher yield over hotcam.
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