I just got my car back and i have a 383 Lunati rods and crank,TFS head, je pistons flat top pistons,lunati cam,25lbs injectors,bbk 58mm tb,moroso CAI,kooks 17/8 headers and ory,3in custom borla exhaust,custom suspension, bandnew race build transmisson,gm opti,stock plug wires,ac delco plugs. and only made 354.4rwhp and 365.3RWTQ. kinda disappointed what do you think!?!

 

if you have all that done.. id say say you bump up the injectors a bit

 

i was think they would be bigger to around 30lbs. i was hoping for around 410rwhp 430rwtq

 

seems low

 

what could i do to bring the HP up?

 

We cannot tell much of anything with that vague of a description. We need to know the cam specs, head flow numbers or "stage", tune, etc. We have no way of telling if "lunati cam" is a huge high duration beast or one of their tame little DD grinds, if the heads are a stage 1 mild port, or anything else that can let us guess if you are in the right ballpark.

 

Combustion
Chamber:62cc
Volume Intake
Port:195cc
Volume Exhaust
Port:72cc
valve sizes:2.02,1.60
just out of tha box.

IN EX
540 540 lift at vavle
1.5 1.5 RR
252 252 duration

 

How about a scan of a dyno graph. Out of the box trickflows aren't anything special, you would have made alot more power with some ported stock castings. It sounds like you didn't do any research prior to building this engine, and the results show it.

 

You have flat top pistons and 62cc combustion chambers. Even using a really thin head gasket, you're not making much compression. More compression = more power, ESPECIALLY with that huge cam.

 

I think i got shafted on this motor its brand new payed close to $11,000 and it dosen't feel much faster than my other motor i had a 355 with a good set of lt1 heads with about 1,100 worth of work done to these heads and a stock cam i was going to put a cc306 cam in that motor and freshin it up put it in another car.

 

Well, you have some good parts, just not a great combination. Everything has to work well together. Shouldn't be too hard to make it right, though. Sell the heads and get some great ported stock castings and maybe a custom cam as a package. That would be a start.

What cam do you have?

 

The cam is huge for one thing. I would tone it down about 15-20 degrees. You can have the heads milled to bring up the compression or a thinner head gasket. Also #30 pound injectors as said above. I don't see #25 pound injectors keeping up with your motor. I bet you are running way lean.

However the big thing is did you have a custom tune?

 

yes it has a custom tune the guy that built the motor tune it on the dyno and on a chasiss dyno. It has a lunati cam. looked at my papers and it has 27lbs injectors.

 

Thats better XD

Biggest thing seems to be the cam. Drop the duration a LOT to the low 240 range at most, and run some real lift. Only .540 in/ex with rockers is low for even stock heads. 1.6RRs will help quite a bit by getting the lift up to a respectable range, but you would benefit most from a different cam. That thing must not peak for ages with all that duration!

Sounds like you have too low compression and way too much cam. Doesnt mean you got shafted, the combo just needs some tweaking. Cheapest way to get more power would be to just get a custom cam and 1.6rr's, but honestly if you plan on staying all motor I would sell those heads, get some ported stockers, and a matching cam. Then that thing will scream

 

it has 1.6rr i was looking at the cam card and it said 1.5rr sorry i do have a bad *** set of stock heads that are on my other motor. I am putting a power adder on either turbo or n2o when i get the all motor hp were i want it.

 

Getting it to put down good all motor #'s then putting on a turbo or supercharger is the wrong way to do it. What works with a turbo or supercharger will not work with a blower/turbo.

 

i could put a turbo on and run 12lbs of boost to make up for the lost compresion or a procharger with alot of boost. or n20 maybe a 150 SHOT OR 200

 

dude i f*cked up my first time buying heads, bought some trick flows, i sold them and used that money to get heads that flow in the 280s, hole different motor. The best part is i broke even.

 

looks like thats what i did. o well **** happens!! just sucks to spend that much money and bolt on cars make just hp as me.

 

well i wouldnt say bolt on cars make that, good cam only cars make that. take it to the track and see what it runs. hp numbers dont mean anything if you can get down the track fast.