276 cam or stock ABA cam?

[max9505672]

I'm turbo-ing the my OBD1 ABA.

I'll be running on stock internals, low-compression (9:1), T3 60 trim .48 exhaust side, #42 injectors and Megasquirt 1v3.

My question is: I have a Shrick 276 cam right now in the engine. Should I use it or go back to stock cam due to the overlap on the 276?

I'm looking at around 200 hp and 10 psi.

[rabbitchaser]

i would leave the 276 in, with the stock cam the power runs out around 5k, tt does make a 176 for the turbo cars, you should be fine,


also with the set up you have that engine will take 20psi really easy or more as long as fuelling is there. so 200 will be very easy to get to.

[max9505672]

Yeah 20 psi might be possible but I want to keep it reliable too.

And it remains a stripped out fwd mk2 .. no need of too much power.

Any other thoughts?

[max9505672]

cam specs :

*276 camshaft measured @ .004�
Advertised Duration: 276*/276*
Duration @ .004 276*/276*
Valve Lift: .453� / .453�
Lift @ TDC: .083"/.083"
Centerlines: 110*/110*
Lobe Center: 110*
Valve Timing: 28/68 – 68/28
Valve Overlap: 56*

[Prof315]

You should be ok with that. Is it ideal, no, a turbo specific cam would work better but it'll definitely make more power than the stock cam.

[Quintin@USRT]

boost pressure doesnt dictate reliablity.

[max9505672]

then I should boost 30 psi

[rabbitchaser]

As long as your tune is dead on you could I'm building a aba now that will run 9-1 compression and 30 + psi but will be tuned by Kevin black so I know it will be spot on

[Quintin@USRT]

then I should boost 30 psi

....i did.


....everyday.

[kevinescobar15]

Stick with the 276. Boost will kick in a little later than the stock cam but you'll have power all the way up to your redline. if down the road you can get your hands on a tt 276 turbo cam then that would be your best option. stay away from the stock cam. you'll have good spool but ad people stated you'll feel how it goes dead after 5k. Hope that helps.