Hello.

I have had a 350 built for my 91 Camaro RS. I am going with the Vortec Heads with standard valve sizes and a Holley 670 TBI unit on the engine to keep the computer. I have the 700r4 transmission with factory 2.73 gears in rear end. I will be changing them to 3.42 posi in near future. What Cam would you guys recommend? I would like to buy the complete kit (cam/springs/retainers/etc) so any suggestions would be greatly appreciated. Also, I know I have to buy a TBI to intake adapter so wht intake would you recommend? Thanks so much. After you guys decide I will buy and get this thing going!!!!

 

As far as the cam, in the Nov. issue of Car Craft they did some cam compairsons using 3 different Lunati Cams, all had the same specs, just a different LSA. The enging was a 350 with the upgraded SDPC Vortecs for $635, they were milled to 58cc, giving it a 10.1 comp. Test engine used a 750 Holly carb. I think they used 1.6 RR. Intake was a Edelbrock RPM Performer Intake.

Results:

106 LSA: They quoted this cam as a "rat-tat-tat" sound meaning it was pretty rough, and probably not to streetable. Impressive #'s though.
Peak HP: 433 @ 5,900
Peak TQ: 454 @ 4,500

110 LSA: Big improvement in Idle and Vaccum.
Peak HP: 434 @ 5,500
Peak TQ: 448 @ 4,400

114 LSA: Quoted as "Idled like a puppy". Very streetable.
Peak HP: 428 @ 5,500
Peak TQ: 440 @ 4,400

I recomend getting this issue (Nov.) of Car Craft, they give you an entire page of info on the difference of these cams.