1995 Cam ?

Hi,
My question. I have a 1995 Chevy 2500 with the 7.4L engine. Does this engine have flat tappet cam or roller cam?
Thanks for your feedback

Hi
1998 7.4 engine IS roller lifter. Im looking up 1995 next. si2000 does not go back to 1995 other than bulletins. Looked at Crane cam's web site for 7.4 engines and found flat tappet cams up to 1995. 1996 was first year for big block roller cam's.
Valve Lifters and Guides Clean and Inspect



Important

Parts that are to be reused must remain sorted or organized in order to return them to their original location.


Important

Store the valve lifters upright in order to prevent the oil from draining from the plunger cavity.


Important

Disassembly of the valve lifter(s) is not recommended.

<LI type=1>Clean the components in cleaning solvent.
Caution

Wear safety glasses in order to avoid eye damage.

<LI type=1>Dry the components with compressed air.
http://127.0.0.1:9001/servlets/TifToGif?pic=178485
http://127.0.0.1:9001/tif.gif (http://127.0.0.1:9001/servlets/RetrieveTif?pic=178485)


<LI type=1>Inspect the valve lifters for the following:

A damaged, mispositioned or broken clip (1)
A scored or worn pushrod socket (2)
A severely scuffed or worn lifter body (3) If the valve lifter body shows scuffing or wear, inspect the engine block valve lifter bores for wear or damage.
Flat spots on the roller (4)
Roller wheel vertical play (4)
A loose pin (5)
A plugged oil hole (6)
<LI type=1>If flat spots are found on the lifter(s), inspect the corresponding lobe on the camshaft for damage.
http://127.0.0.1:9001/servlets/TifToGif?pic=173176
http://127.0.0.1:9001/tif.gif (http://127.0.0.1:9001/servlets/RetrieveTif?pic=173176)


<LI type=1>Inspect the valve lifter guides for the following:

Excessive guide slot side wear
Cracks or damage
http://127.0.0.1:9001/servlets/TifToGif?pic=173193
http://127.0.0.1:9001/tif.gif (http://127.0.0.1:9001/servlets/RetrieveTif?pic=173193)
Inspect the valve lifter guide retainer for the following:

Wear, damage, or stress cracking in the leg areas
Wear or damage around the retainer bolt holes

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Document ID # 199299

The only way to be sure is with your VIN#. Write it down and look it up in a chilton manual or online.