How much power will my 302 make?
10-20-2008, 02:00 PM
#21
With my drag wheels I'm guessing somewhere around 3,350lbs but I honestly have no idea. And rear gear I'd like to get away with 4.10s since my transmission has a 2.97 1st gear, 2.07 2nd gear, and a 1.43 3rd gear plus my aluminum flywheel. But I'm probably going to have to put in some 4.30 gears. We will see...
10-20-2008, 02:19 PM
#23
My stock piston 302 with AFR 165 heads, Performer intake, and a custom cam made 328rwhp @ 5,500rpms. This motor I'm spinning it to a max of 7,400rpms. If it only makes 350rwhp it will stay in the car long enough for me to pull it back out and drop in the 410W I'm working on now.
10-20-2008, 03:29 PM
#24
What are the cam specs or is that a secret? Not being a smartass just a lot of guys don't want that info out there. How much compression? Those heads will move a lot of air for a small cube engine and if your spinning it to 7400 I'm guessing its not a baby cam.
10-20-2008, 04:12 PM
#26
10-20-2008, 07:00 PM
#27
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Not to start a war but I've had both heads and I feel Trickflow is much better than AFR both in flow numbers (obviously) and how fast they make something.
I can't wait to get this motor together and throw some gears behind it. I don't think its going to work with my current 3.27 gears.
I can't wait to get this motor together and throw some gears behind it. I don't think its going to work with my current 3.27 gears.
I am a little over 400RWHP right now. My 12 bolt and LS7 clutch robs a few on the dyno but thats just numbers. Get 4.11 gears. They work well with T56. Plenty of pick up and don't run a super high RPM in 6th so they are good for a DD
. Good luck with build.
10-20-2008, 11:06 PM
#28
Thanks man! I was seriously thinking about 4.10s but everyone and their Grandfather was telling me that they won't be enough gear even after I explained to them that my T56 revs FAST! Honest to God my 3.27 gears now seem like 3.55s or 3.73s. Like I said I'm going to try 4.10s first and if they don't work I'll throw in the 4.30s. No big deal.
why would I tell YOU my cam specs? Afterall I'm building the car to take you down son! 
10-20-2008, 11:20 PM
#30
10-21-2008, 12:32 AM
#32
10-21-2008, 12:52 AM
#34
Thanks man, I hope it runs good and the block holds together for a while. This motor was just something I wanted to try. And its going to stay in the car long enough for me to get the 410W together.
The cam was the last thing bought.
And we grinded it around the 205 heads we built and the box intake. The motor will be a turd below 4,500rpms but its going to roll out up top. But if anyone asks....tell them its a H/C/I 302. See sig
The cam was the last thing bought.
And we grinded it around the 205 heads we built and the box intake. The motor will be a turd below 4,500rpms but its going to roll out up top. But if anyone asks....tell them its a H/C/I 302. See sig
I was kidding GM buddy 
10-21-2008, 08:35 AM
#39
Just as an example, my brother just ran a 11.74 @ 117mph with a 1.66 60' in an M6 Z28 making 400 rwhp. Being that you're car is a couple hundred pounds lighter and you can probably get a 1.5 60' I think a low 11 is definitely possible with 400+ rwhp. I think it would take the correct alignment of the planets to see a high 10, but it wouldn't shock me too much if you did.
Good luck!
Good luck!
