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94 Z28 LT1 Camshaft selection

  
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stunned

External


Since: Dec 04, 2007
Posts: 2



(Msg. 1) Posted: Tue Dec 04, 2007 11:55 am
Post subject: 94 Z28 LT1 Camshaft selection
Archived from groups: alt>autos>camaro (more info?)
I have a 1994 Z28 with a 5.7L LT1 (early LT1 design). I know the cam had a 0.300" lobe
lift (and about 0.450" valve lift via the 1.5:1 rockers), the intake and exhaust are about the
same. I don't know duration or lobe timing which is crucial for selecting a replacment cam.
My Helm shop manual doesn't have this information and I can't find it online. Does anyone
know it or know where to find it? OR Would anyone like to suggest a cam with a mild
gain in mid-range torque? I want to stay with flat tappet, hydraulic lifters, and a relatively
smooth idle. Thanks in advance for any suggestions.

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stunned

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Since: Dec 04, 2007
Posts: 2



(Msg. 2) Posted: Tue Dec 04, 2007 11:55 am
Post subject: 94 Z28 LT1 Camshaft selection
Archived from groups: alt>autos>camaro>firebird (more info?)
I have a 1994 Z28 with a 5.7L LT1 (early LT1 design). I know the cam had a 0.300" lobe
lift (and about 0.450" valve lift via the 1.5:1 rockers), the intake and exhaust are about the
same. I don't know duration or lobe timing which is crucial for selecting a replacment cam.
My Helm shop manual doesn't have this information and I can't find it online. Does anyone
know it or know where to find it? OR Would anyone like to suggest a cam with a mild
gain in mid-range torque? I want to stay with flat tappet, hydraulic lifters, and a relatively
smooth idle. Thanks in advance for any suggestions.

 >> Stay informed about: 94 Z28 LT1 Camshaft selection 
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sdlomi2

External


Since: May 30, 2007
Posts: 81



(Msg. 3) Posted: Tue Dec 04, 2007 12:57 pm
Post subject: Re: 94 Z28 LT1 Camshaft selection [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
<stunned RemoveThis @mindspring.com> wrote in message
news:47557c5e$0$22441$a82e2bb9@reader.athenanews.com...
>I have a 1994 Z28 with a 5.7L LT1 (early LT1 design). I know the cam had
>a 0.300" lobe
> lift (and about 0.450" valve lift via the 1.5:1 rockers), the intake and
> exhaust are about the
> same. I don't know duration or lobe timing which is crucial for selecting
> a replacment cam.
> My Helm shop manual doesn't have this information and I can't find it
> online. Does anyone
> know it or know where to find it? OR Would anyone like to suggest a cam
> with a mild
> gain in mid-range torque? I want to stay with flat tappet, hydraulic
> lifters, and a relatively
> smooth idle. Thanks in advance for any suggestions.
>
>
The cam mfg's will discuss with you details that are too numerous for
lotsa buyers to even comprehend--but will get to whatever level of
understanding that fits the inquirer. HTH, s
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spam22

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Since: Dec 09, 2004
Posts: 11



(Msg. 4) Posted: Tue Dec 04, 2007 1:55 pm
Post subject: Re: 94 Z28 LT1 Camshaft selection [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Tue, 4 Dec 2007 12:57:25 -0500, <daniels_sam DeleteThis @bellsouth.net> wrote:
>
><stunned DeleteThis @mindspring.com> wrote in message
> news:47557c5e$0$22441$a82e2bb9@reader.athenanews.com...
>>I have a 1994 Z28 with a 5.7L LT1 (early LT1 design). I know the cam had
>>a 0.300" lobe
>> lift (and about 0.450" valve lift via the 1.5:1 rockers), the intake and
>> exhaust are about the
>> same. I don't know duration or lobe timing which is crucial for selecting
>> a replacment cam.
>> My Helm shop manual doesn't have this information and I can't find it
>> online. Does anyone
>> know it or know where to find it? OR Would anyone like to suggest a cam
>> with a mild
>> gain in mid-range torque? I want to stay with flat tappet, hydraulic
>> lifters, and a relatively
>> smooth idle. Thanks in advance for any suggestions.
>>
>>
> The cam mfg's will discuss with you details that are too numerous for
> lotsa buyers to even comprehend--but will get to whatever level of
> understanding that fits the inquirer. HTH, s

Yep. I know Comp Cams in particular have several cams designed for the LT1,
and can work with you to determine which best fits your goals. I'm sure
other manufacturers are similar.


John.
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Refinish King

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Since: Dec 04, 2007
Posts: 38



(Msg. 5) Posted: Tue Dec 04, 2007 7:55 pm
Post subject: Re: 94 Z28 LT1 Camshaft selection [Login to view extended thread Info.]
Archived from groups: alt>autos>camaro (more info?)
Your best bet is to check with the many cam manufacturers out there.

I hope this helps.

RK
<stunned.RemoveThis@mindspring.com> wrote in message
news:47557c6c$0$22412$a82e2bb9@reader.athenanews.com...
>I have a 1994 Z28 with a 5.7L LT1 (early LT1 design). I know the cam had
>a 0.300" lobe
> lift (and about 0.450" valve lift via the 1.5:1 rockers), the intake and
> exhaust are about the
> same. I don't know duration or lobe timing which is crucial for selecting
> a replacment cam.
> My Helm shop manual doesn't have this information and I can't find it
> online. Does anyone
> know it or know where to find it? OR Would anyone like to suggest a cam
> with a mild
> gain in mid-range torque? I want to stay with flat tappet, hydraulic
> lifters, and a relatively
> smooth idle. Thanks in advance for any suggestions.
>
>
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