Comp cams e313303
04-07-2015, 08:03 AM
#2
92 is speed density and very sensitive to low vacuum ( created by too lumpy of a cam). That's all I know about it specifically, but I know a lot of guys have had all kinds of problems after swapping in the wrong cam (i.e. mustang hi performance).
So good idea to get all the opinions you can before stuffing something in there.
So good idea to get all the opinions you can before stuffing something in there.
04-07-2015, 01:20 PM
#4
I can't say specifically about that particular cam, but if it's a good choice for a 302 in a mustang, it's a bad choice for a truck. Cars are after high end power, trucks need low end torque because of the weight.
If you're not getting into thousands of dollars worth of internal improvements then you have to choose between power or torque. It's one or the other. You can't get both out of the same bore and stroke.
So it ends up that a power cam turns a truck into a real dog off the line - for what that's worth.
If you're not getting into thousands of dollars worth of internal improvements then you have to choose between power or torque. It's one or the other. You can't get both out of the same bore and stroke.
So it ends up that a power cam turns a truck into a real dog off the line - for what that's worth.
04-08-2015, 08:08 PM
#7
Senior Member
This cam number looks real E303ish....
Just sayin' lol
And if it is an E303, it doesn't matter if it was previously in a Lamborghini, it's not a good truck cam.
Just sayin' lol
And if it is an E303, it doesn't matter if it was previously in a Lamborghini, it's not a good truck cam.
Last edited by qdeezie; 04-08-2015 at 08:12 PM.
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04-09-2015, 08:02 PM
#9
Senior Member
Ok, here are the cam specs.
Honestly speaking, this cam is the complete opposite of what you need. I'll give you the reasons:
1) Camshaft will produce extremely low vacuum - Your MAP sensor will not like it and your engine will surge.
2) Camshaft specs are for top end. Your typical truck RPM range is Idle through 5000ish RPM. This cam's powerband is 2500-6500 RPM.
3) You will need a 3500 RPM stall torque converter. This stall is way too high for a truck.
4) Camshaft requires high compression for optimal performance - You will need to run premium fuel more than likely. Not good for a truck (in my opinion).
5) This is a flat tappet camshaft. A '92 F150 uses a roller tappet camshaft. You'd be moving backwards doing this.
This is not a good choice to be honest, I could go on and on, but 1 thru 5 captures what's really going on.
Try looking at Comp Cams 35-512-8 or 35-349-8 if you're itching for an upgrade.
Honestly speaking, this cam is the complete opposite of what you need. I'll give you the reasons:
1) Camshaft will produce extremely low vacuum - Your MAP sensor will not like it and your engine will surge.
2) Camshaft specs are for top end. Your typical truck RPM range is Idle through 5000ish RPM. This cam's powerband is 2500-6500 RPM.
3) You will need a 3500 RPM stall torque converter. This stall is way too high for a truck.
4) Camshaft requires high compression for optimal performance - You will need to run premium fuel more than likely. Not good for a truck (in my opinion).
5) This is a flat tappet camshaft. A '92 F150 uses a roller tappet camshaft. You'd be moving backwards doing this.
This is not a good choice to be honest, I could go on and on, but 1 thru 5 captures what's really going on.
Try looking at Comp Cams 35-512-8 or 35-349-8 if you're itching for an upgrade.
Last edited by qdeezie; 04-09-2015 at 08:08 PM.
