pistons
 

help, my block needs boring,suprise! my question is what is the big difference between forged and hypertective pistons? other than the cost? this engine will be street driven and have the following mods. stock bottom, gt-40 ported heads, e-303 cam, gt-40 upper and lower. no plans in future for juice or other power adder. thanks

------------------
86 gt 3.73's,underdrives, welds, pro-5.0 shifted, chip,autometers,flowmasters, k&n,2.5" cowl hood, new motor in the works..

If you never ever plan on running nitrous or blower. I would just go with a good set of hypertective pistons.

------------------
347 Stroker Motor: Balanced, Tremec, Extrude Ported and Polished Upper and ported Lower, GT40 Milled Ported and Polished Heads, B303 Cam, 30lb Bosch Injectors, Holley AFPR, March Pulleys, Perma-Cool Fan, 3-Core Radiator, Accel Performance Coil, Accel 300+ Wires, Ram Air, K&N, 73mm MAF, 70mm TB, FlowMaster w/BBK Offroad H-Pipe, BBK Headers, Hurst Shifter, 3:73 Gears, Ram Clutch, Cross Drilled Rotors, AC, smog, and rear seat deleted, battery relocated
Awaiting new heads, intake, custom cam

I agree completely.

Take care,
-Chris

------------------
Retired Moderator
MustangNet

My site: Peckerwoods Pit Stop

http://homepage.mac.com/pkrwud/.Pict...sc./MyMac.jpeg

My teams site: Jim Porter Racing

RACECAR spelled backwards is RACECAR

HEY !!! Are you ASE Certified ??? If you are, ask me about iATN.

I think I would go with the forged pistons. You may not plan on a power adder now, but plans change, especially if you get beat by a car you don't want to beat you ( hopped up ricer, any Chevy product ). Its just my opinion though. I'm never satisfied.

It's the difference between a few hundred dollars or $500 for the top of the line forged pistons. If you are for sure no power adder is in the future, then I wouldn't get forged.

pistons
 

thanks guys, looks like the hyper. pistons will be my route

Don't be discouraged, the cast type pistons can be run with Nitrous, Forged is a better choice however. A motor built with forged will be noise until it warms up and the aluminum expands ever so slightly. Something to consider. If you go with the juice run a conservative set-up lots of reduced timing and run a richer set up with injectors to offset burning a piston same would be advised for a blower set-up.
A cooler plug also helps but the biggest is running rich and taking some timing out get some help from a good shop, in your local area, that knows there stuff and you will be fine.:p