thinking about some new heads, advice?

TFS 170cc would be the best thing to go with and will not have to notch pistons aslong as you stay below .540 lift and flow great. Just my .02

shakey1378 said:

f cam is .512 lift at valve

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Than you would be just fine. Would run great.

2nd vote for trick flow. Work great out of the box, and when, not if, but when you go to the next level, you can send them out to fox lake and have them run either a 195 or 207 cnc program on them and be good to go to ridiculous horsepower.

TFS 170's OR AFR 165's are excellent right out of the box. The GT40X heads won't make as much power. Although with a good combo their fine. On my 94GT on the stock block with Crower Cam, Edelbrock Intake I made 291HP / 312TQ at the wheels. With AFR's or TFS it would have been over 300+ easily. Used these heads with a Vortech and made 455HP. Again would have been closer to 500 with the other heads. I'm running them again in my 92GT, they should be on this weekend. We are running this combo with 30lb injectors, RPM intake, 80MM MAF, 70MM TB, TFS Stage I cam and tuning it all with the twEECer. The twEECer has made our life easier. We can calibrate the MAF without sending it back to the manufacture, dial in the fuel and timing without messing with distributor or fuel regulator. Can do it all right from the laptop in the garage.