Heads cam intake build suggestions
Thanks .any idea what rpm’s are at 65 mph with 3:73 behind a 4l60? that was the gear I was thinking as well. And I’m thinking 3800 stall
I wouldn't go any taller than 26" tire on the f-body, I really like the Hoosier dr2 drag radials in 255/50 r16 for the stock 16x8" wheels
So hci 5.7 with 235/240 cam 3800 stall and 3.73? You would be more than halfway through the 11's at sea level on the above tires with good tuning
So hci 5.7 with 235/240 cam 3800 stall and 3.73? You would be more than halfway through the 11's at sea level on the above tires with good tuning
I wouldn't go any taller than 26" tire on the f-body, I really like the Hoosier dr2 drag radials in 255/50 r16 for the stock 16x8" wheels
So hci 5.7 with 235/240 cam 3800 stall and 3.73? You would be more than halfway through the 11's at sea level on the above tires with good tuning
So hci 5.7 with 235/240 cam 3800 stall and 3.73? You would be more than halfway through the 11's at sea level on the above tires with good tuning
according to a calculator I used the overall height is 25.7
Thanks man👍I’ve got the stock WS6 wheels on it now with the rear wheels widened to fit a 315 35 r17 nitto 555 rII . I used nitto because they run a little narrower but I think I can massage a little and get a different tire if the nittos don’t work out.
according to a calculator I used the overall height is 25.7
according to a calculator I used the overall height is 25.7
They may want you to use second gear to get the wheel speed up so things start happening quicker But that's harder on parts too just keep that in mind, I bought Hoosiers when my nittos wore down because my local track prep Is inconsistent and They seem to need the least amount of burning out to work and so they may end up lasting longer in the long run anyway If the track is good They just need a quick spin through the water box and they're ready
Last edited by stockA4; Jul 31, 2025 at 01:21 PM.
Add a Fast 102 and at least a 92 or 102 mm throttle body on it.
I ran stock LS7 injectors on my setup. Fast 102, PRC 225 heads, 232/234 112lsa cam, 1-7/8" headers to a 4" Flowmaster merge with a 4" cutout.
yea I actually do plan on buying injectors I was thinking 42lb but that’s somthing I’m looking for input on. Also wondering if my stock fuel pump will handle everything. It’s an OEM pump I just put in 2yrs 1000miles ago. And my plan is to do a tune after everything is together no doubt👍
For sale 550
Nittos need to be burned until the smoke gets to the rearview mirrors, so expect a lot of eye rolling from The track officials
They may want you to use second gear to get the wheel speed up so things start happening quicker But that's harder on parts too just keep that in mind, I bought Hoosiers when my nittos wore down because my local track prep Is inconsistent and They seem to need the least amount of burning out to work and so they may end up lasting longer in the long run anyway If the track is good They just need a quick spin through the water box and they're ready
They may want you to use second gear to get the wheel speed up so things start happening quicker But that's harder on parts too just keep that in mind, I bought Hoosiers when my nittos wore down because my local track prep Is inconsistent and They seem to need the least amount of burning out to work and so they may end up lasting longer in the long run anyway If the track is good They just need a quick spin through the water box and they're ready
3.73 it is! I pulled the whole assembly.Gonna clean up the housing maybe spray some POR 15 on it while it’s out. What fluid / friction modifier are you guys running? I was told the bearings don’t like synthetic even tho that’s what GM says to use?
Cleaned up the housing strategically over the floor drain then sprayed it with Rustolium reduced down to spray through a 1.3 3m accuspray. I’ll clearcoat it in the morning. Just waiting on the bearings shims , crush sleeve etc . And gotta get gear oil and additive then it’s go time.
Last edited by J.Dexter; Aug 13, 2025 at 06:07 PM. Reason: Pictures didn’t load
Gears and a good converter will make it easier to tune large overlap cams. The reason is stock gears and stall puts too much load on the cam where it's the least efficient and that cause **** drivability.









