The car-a bone stock 1994 Integra LS 4 door.

We baselined the car as received at Church Automotive Testing. Then plugged in a Hondata S300 and did some tuning:

Over the last couple of months we have thrown various parts at the car to see what would happen. Most helped. The last mod was a Blox intake manifold and it helped the peak power, but gave up some low and mid range power, as compared to the stock LS intake manifold. Here is a list of mods done to the motor:
#1-Fresh valve job-no porting-done by Portflow.
#2-Supertech valve springs and retainers installed by Tom at Portflow.
#3-AEM ITR CAI.
#4-Blox LS intake manifold.
#5-Hondata intake manifold gasket (heat shield).
#6-Professional Products 68mm ITR throttle body.
#7-JDM ITR 4-1 header.
#8-Straight pipe and ITR B-pipe.
#9-GSR muffler.
#10-Brian Crower Stage 2 LS/B20 cams.
#11-AEM cam gears-set to +3 intake/-1.5 exhaust.
#12-Hondata S300 and hours of dyno tuning.
The block is untouched and tired at 190,000 miles, but still going pretty strong-Honda knows how to build them This was done on a very tight budget; Tom at Camp1320 hooked us up on the intake manifold and throttle body. The header and muffler were purchased through the Honda-Tech classifieds. The CAI, cam gears, B-pipe, and S300 were laying in my garage. Each mod was installed and dyno tuned to see what the gains were. Graphs of each stage of developemet are here:
https://honda-tech.com/zerothread?id=1765855
A fresh block is in the process of being built and will be tested sometime next month, we hope...
Here is the final graph of this motor with all of the mods vs the original stock graph:

 

not enough to make it worth it, breaking 200 will be very expensive, go turbo

 

haha wow, ignorance is bliss i guess. nice work Todd i will be seeing you soon with my b20 build as well

 

nice work

the power drop at 5k makes it look like a vtec dyno graph

what are the plans for the future motor?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nate_2k5 &raquo;</TD></TR><TR><TD CLASS="quote">not enough to make it worth it, breaking 200 will be very expensive, go turbo</TD></TR></TABLE>
Only 42 hp from bolt ons and tuning, without sacrificing reliability; how long would a stock LS block with 190,000 miles last running , let's say, 8 PSI? This is an exercise to see what a stock LS block is capable of all motor. Others might want to slap a turbo on and call it a day; more power to them. No pun intended
There is a Benson sleeved LS block sitting on an engine stand waiting for 85mm Wiseco pistons. The goal for the motor is 220 Dynapack/200 Dynojet. Here is what a mild VTEC pump gas motor is capable of:

 

Good job and nice info!

 

B19 Ive been following your thread in the all motor forum and i have a question.
What do you think can be done to this motor to bump compression without breakin into the block?
Would there be any benefit in this small bump in compression?
Thanks alot for your writeup on the progress of this motor.
It gives hope to alot of us LS guys.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rosetta Stoned &raquo;</TD></TR><TR><TD CLASS="quote">What do you think can be done to this motor to bump compression without breakin into the block? </TD></TR></TABLE>
You at least have to pull the head to bump compression. You can mill the head, use a thinner head gasket, and use flat faced valves, or if you want to go extreme you can have the combustion chambers welded up and reshaped.

 

yeah ive been looking around at headgaskets and valves, but im not sure if all that is going to be worth it.

Once again thanks for all of your posts.
Really helpin us out.

 

No longer a stock motor