I completely forgot about a few factors when I started building this motor. Now I fear I may be fuckzored.

Specs:

Sohc Zc block:
Arias 11.5:1 comp pistons
Forged rods (havent bought, probably will)
Just a quick light hone and new crosshatch
Micropolished and balanced crank
New OEM Bearings and rings

D16A6 Head:
Milled .040
3 Angle valve job
1mm Oversized Valves
Ferrerea Retainers
Dual Titanium Valve Springs
Delta 272 Cam, cam gear

When I bought the pistons today I was a moron and completely forgot about my 1mm oversized valves and 40 thow milled deck.

Can anyone give me a good estimate or even exact with some sort of compression calculator on what my compression is going to be?

I was planning of building the motor for nitrous, but If my compression is going to be 13:1 then there isnt to much room for nitrous lol, maybe a 55 shot tops.

If I did go all motor, would I need to upgrade the stock pistons?


Any advise appreciated, loved, grateful

Thanks

 

a better one...

http://www.knology.net/~jediklc/D.htm

 

Gator, yours seems pretty good but I dont know the piston displacement or whatever the **** they want in the last part on the left

 

???/ what

 

according to the calculator, my new engine's CR is around 12.29:1 which i consider liveable (i love the torque of this thing).
get the specs on those pistons.
stan

 

Searched for 30 min, cant find em

 

dude, your compression is gonna be like 13:1. race gas!

 

why do you wanna mill the head? I would try and get it closer to 12. I ran 12 to 1 compression on street gas so its doable. I think you would benefit more from a port job then higher compression.

 

NONONO

The headwork is already done.

I guess Ill have to get a thick ******* headgasket or something. The highest gas we have here is 91. Also how much would the 1mm oversize raise compression?

Im thinking of getting so beefy rods and spraying a 100 shot, but I think race gas would be in order lol. Just paid for the pistons yesterday.

Maybe I could find a smidge shorter rods?

 

try and find a thicker gasket. is this a street car, weekend car, or racecar? I would hate to have to spend on race gas for a street car. I've seen dynos of big power dseries with stock bottom ends so yours should be dope.

 

Daily driven street car lol. I just got so caught up in wanting a built motor that I didnt think of the practicality.

I think a nice fat 3 layer headgasket will bring the compression down. Or I can always sell the pistons get some 10:1

I dunno, you think my compression will be over 12.5:1 with this setup? Im gonna be detonating like a ****** with nitrous

 

I wouldn't even do nitrous. I like your setup. It should be fun. keep it N/a

 

No matter what Im doing a 55 shot just for security when the rare person around here with a swap comes along

I think with a nice intake mani/header and some tuning I can put down some good numbers + nitrous.

Havent figured out which system I would like to use yet, probably Hondata w/ Nitrous Controls

On a budget though

How much whp you think I can get n/a?

 

uppity for friday