Valve stem installed height
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MN_luda
- Posts: 8
- Joined: September 11th, 2013, 6:11 pm
Valve stem installed height
Cant seem to find this, but what is the factory valve stem installed height supposed to be on a jeep 4.0?
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Cheromaniac
- I live here
- Posts: 3290
- Joined: March 8th, 2008, 12:58 pm
- Stroker Displacement: 4563cc
- Vehicle Year: 1992
- Vehicle Make: Jeep
- Vehicle Model: Cherokee
- Location: Cyprus
Re: Valve stem installed height
Stock valve spring installed height is 1.64".
1992 XJ 4.6 I6 Stroker - 5MT - 200rwhp 258rwtq - Sold 
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IH 392
- I love JeepStrokers.com!!
- Posts: 725
- Joined: October 4th, 2008, 11:15 am
- Location: Eugene ORYGUN
Re: Valve stem installed height
AERA shows the stem protrusion height at 1.7750-1.8050" for the 4.0
You can get more power out of ANY engine!!!
ASE Master certified engine machinist, gas and diesel
ASE Master certified engine machinist, gas and diesel
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MN_luda
- Posts: 8
- Joined: September 11th, 2013, 6:11 pm
Re: Valve stem installed height
I now forget what i measured for stem height, but i did check spring istalled height today, 1.654....is this acceptable or am i sunk?