UrbanKnight

Ok, motor let go back in May. I have been taking my time getting it "built"

I haven't seen dyno gaphs yet to compare, but I am feeling mighty beat down and disappointed.... Am I right, or is this sounding right...

Here was my old setup:
Stock Longblock
2.6 upper, 14% lower
Ported Snout
LPE Intake
Kooks 1 7/8" stepped headers, 3" CATTED xpipe
B&B Bullets
ID850 Injectors
93 octane

Made 715/715 on the dynojet, Was VERY happy with this number as it seemed freakishly high for my mods compared to everyone else. Was dyno'd in 90*+ weather.

New buildsadly I don't have a ton of direct specs)
Wiseco Pistons
Full CNC Ported Heads, with titanium Intake and Exhaust valves
Bumped up compression half a point
Added a "mild" cam (dont have specs)
Went to Kooks 2" headers
Catless 3" xpipe
Corsa Exhaust
Fully Ported Snout
Fully Ported Blower
102NW TB
LPE Intake (Have a synergy intake here, but it doesn't "fit")

Preliminary Dyno results I was told are 745/645... I wanted to crawl in a hole... I was expecting 800/low 7's in TQ knowing I gave up some tq in the free flowing of all porting and cam... I don't have dyno graphs yet to overlay and see how the powerband is compared to previous, but I just find the numbers low...


So, tell me if I am crazy, or if you think my numbers or on par, off, etc...

thanks

0Synergy Motorsports

No one has had an issue with our intakes fitting, shoot me an email if you are having an issue and I can walk you through it.

R

SquirrelyNutz

Definitely does not sound right. I would get the cam specs and run them by someone that knows what they are doing. Also the compression bump on 93 octane may have hurt it a little.

LS9Drew

Same dyno?

UrbanKnight

Same dyno, same guy tuning. Biggest difference is weather. First time around, was low 90's. Low humidity. Today was mid 90's, 100% humidity

Compression only went to 9.5

Here is the cam card

SquirrelyNutz

I don't know much about cam specs so I could be way off here but the LSA looks way too low on that. For comparison check out the specs on all these cams. http://www.briantooleyracing.com/lsa...camshafts.html. Also I had a custom cam that had 114 LSA as well no advance though, and with Mast heads ported blower all of that basically everything it made 685whp 730wtq. But I would run that by someone who really knows cams before listening to me. Like I said I don't know for sure if that could be it.

Dplenzig

Crappy blower cam.

ss2z06

The cam is way wrong for that setup.

whatcop?

Agreed its the cam. LSA is way too low. Also torque is affected by when you smack the throttle. What tires where on the car each time you dyno'd it?

And without seeing the dyno overlays its kind of irrelevant where the numbers are. If she is making tons more hp down low it will make up for the torque loss in the upper end.

Also what was boost before and after just out of curiosity.

UrbanKnight

I should have all the dyno sheets Monday, so we can compare.

Street tires both times... PS2's first time, PSS this time

ace32x

Cam is way goofy. You need more intake and exhaust duration and a lot more lift and less lsa. Btr stage 2 or 3 or anything custom 23x 24x with .620-.640 ish lift on a 116-118 depending how aggressive you want to go. On pump even with all those mods your going to struggling to break 780

For reference my 10.1 stock cube motor with mast heads, 238 254 .650 .648 118 cam, port matched 108 Tb and snout only did 780/750 with 2.3 upper and 14 lower on pump. Did 850/830 on e85.

gkzr1

Im gonna go ahead and disagree with most here and say the car is making right about what I would guess at in terms of hp. I do think the cam is not ideal, but I'm no expert on cam specs, so I won't pretend to be.

2 mains reasons why you're making less than you think you should.

1 LPE intake. - garbage
2 Pump gas with 2.6/14% and bumped compression - bad combination

ace32x

That's what I just said :P

UrbanKnight

Thanks Guys. Will be talking to the builder this week.

Greg, If the damn synergy would of fit without making me pull out my cooling system again, i would be running it (still may)
Pump gas is the only option I will do here... We don't have corn anywhere, and I like to drive the car, so I will sacrifice some power to stay on pump.

After digging around all weekend, I don't think the car is "off" on power, but maybe my expectations were. I think I will run it, see how she does, and adjust from there.

Pickup has been moved till Tuesday or so... Grumble grumble...

ace32x

whats in the cooling system thats blocking the intake?

INTRCUL

I can't speak to what's a good lift number for our cams, but 112 LSA sounds crazy low to me for any boosted engine. My bet is half the missing power is from the that. Also curious what the before and after boost numbers were. That'll give a better indicator how much that overlap is costing you.

UrbanKnight

Ace,
The intake hits the rad support. We pulled it today and trimmed about 3/4" off the rubber radiator bushings to drop the support enough to install the intake.

Going to retune hopefully this week. Decided to get the car back, and shake it down and see how she does and go from there.

0Synergy Motorsports

The other trick to this is cut a square window on the upper plastic support. Much easier and faster. Lets the intake tube sit flat.

R

UrbanKnight

Did that previously, but didn't give enough clearance.

0Synergy Motorsports

Sorry to hear that. Worst case is you mark dead center top of the pipe, and put in vise to just give it a touch more low profile. Either way I am glad you will run it, it makes a big difference over the other ones.

R