Q on 88 ho motors

[NUTCASE]

well, since my motor went I have been looking for a cheap replacement to get me through until I biuld up my 351w.

I found a nice 88 HO motor. intake to oil pan pullies to bellhousing. so I went to go look at it. I brought some tools to pull the valve covers and turn the motor over a few times to see if it was worth taking home. well, first off it comes with full length headers on it so I figured that was a plus right there. it was a little dirty on the outside but that was ok.

well, anyways, to the point of my question, when I turned the motor over I noticed right away that the valves appear to have alot more lift that my old stock motor did. the guy said nothing about it having a cam but I did notice it had hardened push rods.

what I am wondering is, do stock 88' 5.0's come with a taller cam than my 92' would of come with? when I pick it up an the first I will turn it over again to see what kind of lift it actually has.

 

[speedytang]

Same cam lift from 87-92

 

[HISSIN50]

Different ramp rate though IIRC (hence the noisier valvetrain which was changed because of noise complaints).
If the motor was SD and you are putting it in a MAF car, swapping cams would be a good idea anyhow (so you dont have to deal with SD cam limitations).

Good luck.

 

[super302]

Something was changed with the valvetrain in 89 to reduce noise, that could be the "culprit" (if you want to call it that)