Valve Spring Replacment - 97 Wrangler
03-20-2005, 01:56 PM
#41
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
Back in my drag racing days we used adjust the Chevy lifters to
zero rather than the one turn down to get all the lift and duration out
of a stock cam. Unfortunately some times they pumped up and suck a
valve.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
mic canic wrote:
>
> i have seen the noisey lifter issue on a lot of 4.0's and some go forever
> without failing i have seen some replaced at my work and actually made the
> lifter noise worse
> in my hipo engines i like a little chatter i know that the valves are closing
> all the way there is even a shim kit made for the rocker shafts to riase the
> hight
zero rather than the one turn down to get all the lift and duration out
of a stock cam. Unfortunately some times they pumped up and suck a
valve.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
mic canic wrote:
>
> i have seen the noisey lifter issue on a lot of 4.0's and some go forever
> without failing i have seen some replaced at my work and actually made the
> lifter noise worse
> in my hipo engines i like a little chatter i know that the valves are closing
> all the way there is even a shim kit made for the rocker shafts to riase the
> hight
03-20-2005, 01:56 PM
#42
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
Back in my drag racing days we used adjust the Chevy lifters to
zero rather than the one turn down to get all the lift and duration out
of a stock cam. Unfortunately some times they pumped up and suck a
valve.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
mic canic wrote:
>
> i have seen the noisey lifter issue on a lot of 4.0's and some go forever
> without failing i have seen some replaced at my work and actually made the
> lifter noise worse
> in my hipo engines i like a little chatter i know that the valves are closing
> all the way there is even a shim kit made for the rocker shafts to riase the
> hight
zero rather than the one turn down to get all the lift and duration out
of a stock cam. Unfortunately some times they pumped up and suck a
valve.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
mic canic wrote:
>
> i have seen the noisey lifter issue on a lot of 4.0's and some go forever
> without failing i have seen some replaced at my work and actually made the
> lifter noise worse
> in my hipo engines i like a little chatter i know that the valves are closing
> all the way there is even a shim kit made for the rocker shafts to riase the
> hight
03-20-2005, 01:56 PM
#43
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
Back in my drag racing days we used adjust the Chevy lifters to
zero rather than the one turn down to get all the lift and duration out
of a stock cam. Unfortunately some times they pumped up and suck a
valve.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
mic canic wrote:
>
> i have seen the noisey lifter issue on a lot of 4.0's and some go forever
> without failing i have seen some replaced at my work and actually made the
> lifter noise worse
> in my hipo engines i like a little chatter i know that the valves are closing
> all the way there is even a shim kit made for the rocker shafts to riase the
> hight
zero rather than the one turn down to get all the lift and duration out
of a stock cam. Unfortunately some times they pumped up and suck a
valve.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
mic canic wrote:
>
> i have seen the noisey lifter issue on a lot of 4.0's and some go forever
> without failing i have seen some replaced at my work and actually made the
> lifter noise worse
> in my hipo engines i like a little chatter i know that the valves are closing
> all the way there is even a shim kit made for the rocker shafts to riase the
> hight
03-20-2005, 03:36 PM
#44
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
i am no getting a missfire.
no smoke no loss of power...other than a bit of throttle crispness
.........just this tappet like noise when reved ......
>The only way valve springs can make noise is if they're broken. If that's the
>case, noise will be the least of your worries.
>
>More likely lifters are the cause. I think I'd try an additive like "Lifter
>Free" before replacing them. Might save a few bucks if it works.
>
>The valve spring replacement that others have referenced here was only a part of
>the fix for misfire problems. The actual problem was carbon buildup on the
>exhaust valves causing them to be "slow to close", thus causing a misfire.
>Stronger valve springs were to help overcome this problem.
>
>
>
>In message <1hjm311gbbkbn8fc6c5obge4fna42m4bfu@4ax.com>, "Mick Miller" wrote:
>
>>
>>I have a wrangler 4ltr with very noise valve springs (think this was a
>>known problem)
>>
>>how easy are they to replace and does the head need to come off?
>>
03-20-2005, 03:36 PM
#45
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
i am no getting a missfire.
no smoke no loss of power...other than a bit of throttle crispness
.........just this tappet like noise when reved ......
>The only way valve springs can make noise is if they're broken. If that's the
>case, noise will be the least of your worries.
>
>More likely lifters are the cause. I think I'd try an additive like "Lifter
>Free" before replacing them. Might save a few bucks if it works.
>
>The valve spring replacement that others have referenced here was only a part of
>the fix for misfire problems. The actual problem was carbon buildup on the
>exhaust valves causing them to be "slow to close", thus causing a misfire.
>Stronger valve springs were to help overcome this problem.
>
>
>
>In message <1hjm311gbbkbn8fc6c5obge4fna42m4bfu@4ax.com>, "Mick Miller" wrote:
>
>>
>>I have a wrangler 4ltr with very noise valve springs (think this was a
>>known problem)
>>
>>how easy are they to replace and does the head need to come off?
>>
03-20-2005, 03:36 PM
#46
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
i am no getting a missfire.
no smoke no loss of power...other than a bit of throttle crispness
.........just this tappet like noise when reved ......
>The only way valve springs can make noise is if they're broken. If that's the
>case, noise will be the least of your worries.
>
>More likely lifters are the cause. I think I'd try an additive like "Lifter
>Free" before replacing them. Might save a few bucks if it works.
>
>The valve spring replacement that others have referenced here was only a part of
>the fix for misfire problems. The actual problem was carbon buildup on the
>exhaust valves causing them to be "slow to close", thus causing a misfire.
>Stronger valve springs were to help overcome this problem.
>
>
>
>In message <1hjm311gbbkbn8fc6c5obge4fna42m4bfu@4ax.com>, "Mick Miller" wrote:
>
>>
>>I have a wrangler 4ltr with very noise valve springs (think this was a
>>known problem)
>>
>>how easy are they to replace and does the head need to come off?
>>
03-20-2005, 04:44 PM
#47
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
Hi Mick,
You could be describing a crack in the header pipe, leaking
exhaust. The height of procrastination:
http://www.----------.com/brokenheader.jpg
God Bless America, ßill O|||||||O
mailto:--------------------
Mick Miller wrote:
>
> i am no getting a missfire.
>
> no smoke no loss of power...other than a bit of throttle crispness
>
> ........just this tappet like noise when reved ......
You could be describing a crack in the header pipe, leaking
exhaust. The height of procrastination:
http://www.----------.com/brokenheader.jpg
God Bless America, ßill O|||||||O
mailto:--------------------
Mick Miller wrote:
>
> i am no getting a missfire.
>
> no smoke no loss of power...other than a bit of throttle crispness
>
> ........just this tappet like noise when reved ......
03-20-2005, 04:44 PM
#48
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
Hi Mick,
You could be describing a crack in the header pipe, leaking
exhaust. The height of procrastination:
http://www.----------.com/brokenheader.jpg
God Bless America, ßill O|||||||O
mailto:--------------------
Mick Miller wrote:
>
> i am no getting a missfire.
>
> no smoke no loss of power...other than a bit of throttle crispness
>
> ........just this tappet like noise when reved ......
You could be describing a crack in the header pipe, leaking
exhaust. The height of procrastination:
http://www.----------.com/brokenheader.jpg
God Bless America, ßill O|||||||O
mailto:--------------------
Mick Miller wrote:
>
> i am no getting a missfire.
>
> no smoke no loss of power...other than a bit of throttle crispness
>
> ........just this tappet like noise when reved ......
03-20-2005, 04:44 PM
#49
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
Hi Mick,
You could be describing a crack in the header pipe, leaking
exhaust. The height of procrastination:
http://www.----------.com/brokenheader.jpg
God Bless America, ßill O|||||||O
mailto:--------------------
Mick Miller wrote:
>
> i am no getting a missfire.
>
> no smoke no loss of power...other than a bit of throttle crispness
>
> ........just this tappet like noise when reved ......
You could be describing a crack in the header pipe, leaking
exhaust. The height of procrastination:
http://www.----------.com/brokenheader.jpg
God Bless America, ßill O|||||||O
mailto:--------------------
Mick Miller wrote:
>
> i am no getting a missfire.
>
> no smoke no loss of power...other than a bit of throttle crispness
>
> ........just this tappet like noise when reved ......
03-20-2005, 06:03 PM
#50
Guest
Posts: n/a
Re: Valve Spring Replacment - 97 Wrangler
L.W. ("ßill") ------ III did pass the time by typing:
> Hi Mick,
> You could be describing a crack in the header pipe, leaking
> exhaust. The height of procrastination:
> http://www.----------.com/brokenheader.jpg
That defines what was bugging me for a long time till the
weld at the lower union gave me a big smily on day.
> Mick Miller wrote:
>>
>> i am no getting a missfire.
>>
>> no smoke no loss of power...other than a bit of throttle crispness
>>
>> ........just this tappet like noise when reved ......
> Hi Mick,
> You could be describing a crack in the header pipe, leaking
> exhaust. The height of procrastination:
> http://www.----------.com/brokenheader.jpg
That defines what was bugging me for a long time till the
weld at the lower union gave me a big smily on day.
> Mick Miller wrote:
>>
>> i am no getting a missfire.
>>
>> no smoke no loss of power...other than a bit of throttle crispness
>>
>> ........just this tappet like noise when reved ......