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how much lift is ok?

This is a discussion on how much lift is ok? within the Internal Engine forums, part of the LSx Technical Help Section category; ..ive asked a few people about this, and have got a few different answers. thought i would just make a ...

  1. #1
    Impounded
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    VW BEETLE W/ FLOWER
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    how much lift is ok?

    ..ive asked a few people about this, and have got a few different answers. thought i would just make a thread about it.
    for a car that will be driven every day, just like a normal car.
    ...how much lift will be safe, i really don't want to hear a valve hit my piston when i stomp on it and it red lines just a tad to far.
    one person has said no more than 540 or so..and some say 580's are alright
    could some of you guys who have cams give some feedback on what you have? thanks in advance for the help.



    and then there is one numbnut i know who has a 641 lift on his stock camaro that he is putting in...well i know where that will end up (i'll post pics when it happens)

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    Depends on the grind.

    Newer blanks allow for more lift without clearance issues than older grinds.

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    Firebird Encyclopedia 9T8W66's Avatar
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    It has been said that High lift cams wear out Springs faster but in reality it's the aggressive lobes that put stress on the valve spring more.
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    the cam i was starting to look at was 224/588
    and it's one of them comp cam customs..my goal is to hit 11,9's and quit there...untill the motor dies and i get a stroked LS6>.>

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    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by TmaxicanA View Post
    the cam i was starting to look at was 224/588
    and it's one of them comp cam customs..my goal is to hit 11,9's and quit there...untill the motor dies and i get a stroked LS6>.>
    above is the cam i have and times i am running
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

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    JUISSED Midnight02's Avatar
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    Depending on the lobes, you should be good to go with a cam under .600 lift as long as you have upgraded springs and hardened pushrods. My cam is a 228/230 TFS grind with .585/.585 lift (112 LSA) and I went with the Comp 928 springs and 7.4" hardened pushrods. I don't anticipate I'll have any trouble with this setup and it should be good to get you to 11.9 with supporting mods. The cam NHRA mentions above would also seem to be a great fit for your goals.
    2002 Camaro SS M6, 2.5 PRC 5.3L heads, TFS 228/230 cam, FAST 92, bolt ons + a 10 lb bottle in the back.


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    TunedByFrost supporter rel3rd's Avatar
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    I have an older "custom" Comp Cam with 226* duration and .595" lift on the intake and exhaust. With 918 springs and hardened pushrods, it sees well over the factory rev limit on a regular basis. Never any P to V clearance issues.

    BTW, with an A4 and 3600 stall, it goes 11.67@115...maybe quicker this year since I made some changes to the previously bone stock suspension.

    Here's a shot of a recent datalog just before the 1-2 shift...

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    mr nhra is where I got my cam idea from..he gave me a lot of helpful advice ...so with some new springs the lift would be fine at 588 ..and duration at 224 cause I don't think ill have enough to by me a dd for awhile so this things gotta last I have the pushrods already all my basic suspension will be done with the tax return..and im not sure if ill keep my stock maxed out converter ..how much did that 3600 cost you. is it easy on the streets.

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    TunedByFrost supporter rel3rd's Avatar
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    Cranberry Red
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    Thumbs up

    Quote Originally Posted by TmaxicanA View Post
    ..how much did that 3600 cost you. is it easy on the streets.
    Mine's a Precision Industries Vigilante 3600. I think they're about $750 or so by the time they're shipped. Being that it still retains lockup in Drive and OverDrive, it's fine on the street IMO. They say PI Vigs are a little looser than claimed, so mine's probably more like a 4000 stall, but still plenty liveable with on the street....and I love it at the track.

    This happens at every launch, which is fine by me, lol.
    http://www.mustangmods.com/ims/u/4079/11268/208432.jpg
    http://www.mustangmods.com/ims/u/4079/11223/216074.jpg

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    nice pics ..might get me one of those converters ..wonder how bad that kills MPG's my car won't be doing that for awhile...i can't afford sticky tires..trying to convince my boss to let me use his set

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    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by TmaxicanA View Post
    nice pics ..might get me one of those converters ..wonder how bad that kills MPG's my car won't be doing that for awhile...i can't afford sticky tires..trying to convince my boss to let me use his set
    it will mainly depend on how you drive. i maybe lost 2 mpg

  12. #12
    TunedByFrost supporter rel3rd's Avatar
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    At first, I lost a LOT...but since it's been in the car for a while now, I mainly just cruise and very rarely give it much more throttle than need be.

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    go with over 114 lop

    i think if you want streat use go with a lop over 114 i will reccomend a cheatr cam from thunder racing
    "99-TR-CHEATR-CAM Thunder Racing Custom Camshaft
    "CheaTR" - 214/230 .601/.575 117 LSA. Off Idle-6800 RPM Power Band. Broad power range. Works well with stock exhaust manifolds and catalytic converters. Stock like idle. Minor tuning required on automatic transmission cars. Responds very well to nitrous. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended. Double valve springs and titanium retainers required for this cam. "

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