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Username Post: Will this cam work with TBI        (Topic#338771)
1987_chevy_ 
Forum Newbie
Posts: 7

Reg: 09-02-16
09-02-16 08:07 AM - Post#2649122    

I recently had a Enginetech Camshaft (ES1095M) put in a 383 stroker that I'm building. I was told this Camshaft was too big for a TBI engine. Would it work?
I'm a young kid not knowing much about engines! But this is the camshaft the engine builder put in, knowing it was for a TBI

Specs are:

LOBE CTRS.
INT: 114
EXH: 114

VALVE LIFT
INT: .450
EXH: .460

CAM LIFF
INT: .300
EXH: .307



 




Shepherd 
Frequent Contributor
Posts: 1820

Loc: Lake George, NY
Reg: 11-11-15
09-02-16 11:02 AM - Post#2649152    
    In response to 1987_chevy_

Need to know the duration at.050.



 
0utlaw 
Very Senior Member
Posts: 2793
0utlaw
Loc: US East Coast
Reg: 09-10-02
09-02-16 12:50 PM - Post#2649168    
    In response to 1987_chevy_

It would be helpful for experts here to know exactly what you are doing with this engine.
Specifications include rpm range, compression, street only, track only, both, rear gears , tire diameter, total weight, type of vehicle, etc.
Those elements are what an engine builder/ cam manufacturer needs to design/ choose a cam and valve train so it will work best.



 
Shepherd 
Frequent Contributor
Posts: 1820

Loc: Lake George, NY
Reg: 11-11-15
09-02-16 03:48 PM - Post#2649191    
    In response to 0utlaw

All good points, just too much typing for me. Lol



 
1987_chevy_ 
Forum Newbie
Posts: 7

Reg: 09-02-16
09-02-16 05:30 PM - Post#2649199    
    In response to Shepherd

INT. 224
EXH. 224



 
1987_chevy_ 
Forum Newbie
Posts: 7

Reg: 09-02-16
09-02-16 05:36 PM - Post#2649200    
    In response to 0utlaw

Alright so this 383 stroker is going in a lifted 1987 Chevy pickup. The compression ratio is 9.5:1 (89 octane gas). The truck will be daily driven on the streets. Will never see a track. I'm running 33 inch by 12.5 inch tires and stock half ton axles. I am not building this engine to have a ton of horsepower or torque but I do want it to have power. The engine builder put this cam in the truck knowing what I was using it for. With the stock TBI I'm limited to a certain RPM range I was told it would be about 5,500 RPM's. I was just told by someone that cam could be to big for my TBI! That's why I came here to get other people's opinions



 
0utlaw 
Very Senior Member
Posts: 2793
0utlaw
Loc: US East Coast
Reg: 09-10-02
09-03-16 03:03 AM - Post#2649232    
    In response to 1987_chevy_

  • 1987_chevy_ Said:
Alright so this 383 stroker is going in a lifted 1987 Chevy pickup. The compression ratio is 9.5:1 (89 octane gas). The truck will be daily driven on the streets. Will never see a track. I'm running 33 inch by 12.5 inch tires and stock half ton axles. I am not building this engine to have a ton of horsepower or torque but I do want it to have power. The engine builder put this cam in the truck knowing what I was using it for. With the stock TBI I'm limited to a certain RPM range I was told it would be about 5,500 RPM's. I was just told by someone that cam could be to big for my TBI! That's why I came here to get other people's opinions



This would certainly be the time to question whether the cam will work. I value opinions here..most are tech savvy. Cam manufacturers are also one of the best sources of information:
they want customers happy with their products and have seen almost every combination there is. So, it would not hurt to get back to Enginetech and run the parameters you mentioned through their computer and see what cam they select.

Remember, torque is nothing but HP at a lower rpm) If that was my vehicle used as you intend,especially with big tires, I would focus more on torque (especially at low rpm) than hp. If you have a cam with a "rumpty-rump idle", your low end torque will be a lot less and you will need to rev to get the power.






 




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