guesstimate what power my 5.3 lm7 is making

[6spdg37s]

LM7 5.3 with :
ported/milled 243 heads
comp cams 232/234 .595/.598 110LSA cam
holley 670 cfm carb
holley mid rise carb intake manifold
msd LS box
msd wires
no a/c
electric fans
TSP 1-7/8 long tube headers that will be going to a 3" x-pipe then to (2) black widow widowmaker 3" mufflers to a dump pre-axle

if i had to guess i would say 430ish crank. 400ish wheel but im not sure, im basing this off of other articles i read about builds and such.

im not trying to say my engine is making X amount of power im more so just curious what its doing dont know when ill get a chance to get it on a dyno

 

[motorheadmike]

425/390.

 

[6spdg37s]

^^ glad someone else agrees with the numbers i guessed

 

[Texas82GP]

I agree with both of you. Peak power is probably around 6200 or so.

 

[82LSGDADDY]

My guess would be 330 wheel. Thats just based on what my 6.0 dynoed with similar cam. mine done 360whp . All dynos vary a bit as well and the one i used was said to be a little stingy. My motor is all new with good parts and very reputable builder . Post back when you get it on the dyno. I thought my numbers were going to be closer to 400whp but the builder was right on the money with his estimate. I didnt read that heads were done, in that case yea you probably are close to 400whp but only 1 way to find out 🙂

 

[L92 OLDS]

My guess for peak power is 335 at the wheel

 

[zdeckich]

335-350rwhp. is my guess. Thats a low LSA lol. At least it will have a nice chop lol. What springs you running in the 243's?

 

[Injectedcutty]

335-350rwhp. is my guess. Thats a low LSA lol. At least it will have a nice chop lol. What springs you running in the 243's?

The OP hasn't been on in quite awhile. He was talking about selling the Monte months back.
He has the same springs I have in my 5.3, BTR .660 platinums.
Makes me curious what mine will do prior to becoming "under pressure". I'm sure it will be similar as I'm running a Tick Stage 1 turbo cam with .613/.598 lift on a 114LSA.