George, valve spring compressor is not needed if you are replacing rocker arms. Only needed for actual valve work, i.e., seals, springs and the like...BTW, did you get a definitive diagnosis yet..sounds like you did..

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Jeff Lawrence
1987 300e
1989 300e
2000 Dodge Grand Caravan SE

[This message has been edited by jeffsr (edited 08-17-2000).]