I did a search on this subject but found no definative answer to my question.

Currently I am running an LT4 extreme duty timing set and a Stock water pump.

I am chaning my camshaft to a different grind to try and find more power on my 383 solid roller. In this process I need to advance the cam 2 or 4 degrees which can be done with 'cam buttons' on the LT4 timing set. But It was recomended to me to get a Cloyes double roller or a Rollermaster double roller with keyways to make advancing/retarding the cam easier incase I needed to change the advance and go ahead and get a electric waterpump.

Which gears work with electric waterpumps?

And what about the opti ? I have a 1997 vented opti, will i work with the cloyes double roller? what about the rollermaster ?

 

I have the Rollmaster billet double roller timing set but you won't be able to use the CPS ( crank position sensor ) wheel if you have obdII and you will have to clearance the inside of the timing cover in order to get it to fit.
This also means going to an obd I computer and such.

 

Yikes, I refuse to go to OBD1.

So how can I run an electric water pump on my 1997 LT1 ?

I can keep the LT4 timing set, all I would need is a cam button to advance the cam so thats no big deal.

 

Whats the point of even having a stock computer with a solid roller? It's a waste if your not turning past stock pcm limits anyway IMO.

 

I didnt ask opinions on what PCM to use. I use the OBD2 PCM in Open Loop Speed Density mode. I have no need to spin beyond 7000 RPMs so whats the point of your post?

 

not true!
you can keep OBD2, you just might want to get the CPS deleted from the pcm
people do it all the time
me for instance, CSI pump, Cloyes true double roller, OBD2, deleted CPS

 

If you want to use an electric pump, you just do it. There is nothing else you have to do. Perhaps you would want to take out the water pump drive shaft while you are doing your cam swap, but you don't have to.

Are you aware that there are programming considerations if you mechanically advance or retard the cam?

 

well i have OBD2 LT1 edit, I have already disabled the crank sensor SKEW code in the PCM because it kept throwing misfire code due to the cam. I can just as easily turn off the CSP failure code too.

 

If you do it like that, whats your issue with not wanting to use OBD1? Like simple posted, you can keep OBD2 and just delete the CPS entirely.

 

I already own LT1 Edit for OBD2 PCMs and OBD-2 Scan tool which is $650 worth of software. I am an avid tuner as well. So buying obd1 lt1edit and and lt1pcm and knock sensor is out of the question.

 

So there is no need to delete the CPS if I keep the LT4 timing set, right ?

Also I am aware that advancing the cam will require me to decrease the amount of timing in all base timing tables by the same amount the cam was advanced.

 

The CPS will still function as normal if you don't mess with it.

 

Another question I was thinking about, The cloyes Double roller set will still fit with my optispark right ?

I have decided to go with the Cloyes Double roller ( hex-a-just ) and a CSI electric waterpump. And I jsut want to make sure everything is going to fit correctly

 

My opti with a double-roller fits just fine. The chain sits under the timing cover, so it doesnt effect optispark fit at all, but I DID have to clearance the cover a good bit around the gears and a bit for the chain so the chain didnt rub.

The gear itself doesnt interfere with the optispark drive though, no.

 

hey spinner what year is your car.