Ok so I went to the track the other day. It was warmer out so my car didn't feel as fast as usual. But I have a 91 CRX Si, pretty much all that was stripped was the rear end panels so that's maybe 7lbs Right there. Any way it has a built up b18c5 in it. I was on an all season street tire, so I wasn't expecting much for a Time but my MPH was lower than expected. My 60' I got down to about a 2.02 or so and I ran a 13.46 @ 104.76 MPH. Here's My Built and Tell me If I should be doing better

*2001 ITR Long Block
*RS Machine Sleves
*84mm Bore
*CP 12.5:1 pistons
*Carrillo rods
*Bottom end completely balanced by Kotzur Racing Heads
*Skunk 2 cam gears
*Mild Port pr3 ITR Head
*Bronze kms valve Guides
*Supertech high compression valves
*Rocket Motorsports gen 2 Retainers
*Rocket Motorsports M24x Intake Cam
*Rocket Motorsports M25x Exhaust Cam
*STR 68mm Throttle Body
*ITR Intake Manifold ( I think it's port matched because the openining is the same size as the 68mm tb.)
*Spark Racing Header
*310cc Injectors
Transmission
*00 b16 s4c transmission
*cusco LSD w/4.40 final Drive
*ACT prolight flywheel (8.8 lbs.)
*exedy 3 puck sprung clutch

Also because I can't find a shop around here right now to do an exhaust. I kept the 2 1/2 kink bend exhaust and it's reduced to about an 2 inch or less in the back . Do you think that's taking away a lot of power from my motor because it's suposed to be a 2 3/4 mandral bend.

 

what was it dynoed at?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by itrpwrdrex &raquo;</TD></TR><TR><TD CLASS="quote">Ok so I went to the track the other day. It was warmer out so my car didn't feel as fast as usual. But I have a 91 CRX Si, pretty much all that was stripped was the rear end panels so that's maybe 7lbs Right there. Any way it has a built up b18c5 in it. I was on an all season street tire, so I wasn't expecting much for a Time but my MPH was lower than expected. My 60' I got down to about a 2.02 or so and I ran a 13.46 @ 104.76 MPH. Here's My Built and Tell me If I should be doing better

*2001 ITR Long Block
*RS Machine Sleves
*84mm Bore
*CP 12.5:1 pistons
*Carrillo rods
*Bottom end completely balanced by Kotzur Racing Heads
*Skunk 2 cam gears
*Mild Port pr3 ITR Head
*Bronze kms valve Guides
*Supertech high compression valves
*Rocket Motorsports gen 2 Retainers
*Rocket Motorsports M24x Intake Cam
*Rocket Motorsports M25x Exhaust Cam
*STR 68mm Throttle Body
*ITR Intake Manifold ( I think it's port matched because the openining is the same size as the 68mm tb.)
*Spark Racing Header
*310cc Injectors
Transmission
*00 b16 s4c transmission
*cusco LSD w/4.40 final Drive
*ACT prolight flywheel (8.8 lbs.)
*exedy 3 puck sprung clutch

Also because I can't find a shop around here right now to do an exhaust. I kept the 2 1/2 kink bend exhaust and it's reduced to about an 2 inch or less in the back . Do you think that's taking away a lot of power from my motor because it's suposed to be a 2 3/4 mandral bend.
</TD></TR></TABLE>

did you dyno & tune it?? and have you ever driven (drag raced) before? what are you shifting at? are you speed shifting? put some slicks on and take it back. it should hit 12's no prob. not too bad on street tire though. take off the exhaust and run open header. or just run a short pipe with a small muffler underneath the car (should end about the middle of the car and usually have it turned down if your track requires a muffler.

 

he says he doesn't really care about the track time but he's wondering why his MPH is so low.... i wonder why too??? should be at least 110+mph... how much power u making??

 

What crank/stroke you running? What are you using for tuning on that setup? How did you come up with that cam combination for your car? What did your car dyno?

 

All of this is good.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by itrpwrdrex &raquo;</TD></TR><TR><TD CLASS="quote">

*2001 ITR Long Block
*RS Machine Sleves
*84mm Bore
*CP 12.5:1 pistons
*Carrillo rods
*Bottom end completely balanced by Kotzur Racing Heads
*Skunk 2 cam gears
*Mild Port pr3 ITR Head
*Bronze kms valve Guides
*Supertech high compression valves
*Rocket Motorsports gen 2 Retainers
*Rocket Motorsports M24x Intake Cam
*Rocket Motorsports M25x Exhaust Cam
*STR 68mm Throttle Body
*ITR Intake Manifold ( I think it's port matched because the openining is the same size as the 68mm tb.)
*Spark Racing Header
*310cc Injectors
Transmission
*00 b16 s4c transmission
*cusco LSD w/4.40 final Drive
*ACT prolight flywheel (8.8 lbs.)
*exedy 3 puck sprung clutch

</TD></TR></TABLE>

This is very bad.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by itrpwrdrex &raquo;</TD></TR><TR><TD CLASS="quote">I kept the 2 1/2 kink bend exhaust and it's reduced to about an 2 inch or less in the back
</TD></TR></TABLE>

Get a 3.0 kteller exhaust (stainless for durability). The difference is night and day.

Also, what sort of header do you have?

 

The motor made 210+whp on the dyno with the same tune that is on the hondata. The header is a spark racing header tri-y header. The tune I think was with a 2 3/4 exhaust so I think that is what is holding my motor back so much because it's got a Rocket Motorsports M25x Exhaust cam and A shitty exhaust.

 

Considering the power you are making, the 1/4 mile times and mph are about right for a street tire.

Ya youre setup itself should have made more power considering what you have.

 

Yeah my buddie Nick who knows a lot about hondas said that it's the top of the line street motor and that it should make about 235whp or so on pump gas

 

yea that motor should be making alot more, i say go retune, and retune open header

 

Yeah I think i'm gonna go get it retuned. My buddie Jordan told me to go to the guy with the Cluchmasters Black EG for a tune since he has 270whp on a b20 and only a little higher compression and only a DC sport header but on race gas. So I'm gonna have him retune it with the new exhaust, open header, and then race gas. There's this stupid kid around here who has an EVO that he thinks is the fastest thing in the world and wants to race me he clams it does a 12.5 and it's got bolt-on's intake, 3" exhaust, boost controller set to like 20, and a Tubular Manifold. He has no tune and claims the thing does a 12.5. I used to be a dsm guy and It takes a lot of stuff to make a stock turbo on a EVO go 12.5 so I just want to make sure I can do better than that so i can lay the smackdown on this kid with an all motor car

 

There should be more left in it. I run a similar build in my EF and ran a 13.7 @ 109 on Azenis with a pig rich base map and a 2.3 60'

What are you spinning the motor to?

 

The revlimiter is set at 9300 but I'm onl brining it up to like 8900 or so.

 

wow this is the 3rd...

well let me try to help you a little...

what engine was the hondata on before this one?
did the A/F was ok if it was a 1.6-1.8 engine in the cal on the hondata?
was timing sync?
what a/f is it running on the track?
was the timing played with in the dyno at least if it wasn't tuned?

or even easier than to answer all this tune it maybe... take it to someone that knows too

 

I'm curious as to why you're running the cam combination that you are. Care to explain?

 

I'd say that seems a bit slow for a trap speed on your setup. My buddy who put down 200 whp 147 wtq with a very basic b20vtec with type r cams in his ef ran a 12.4@109. with a 1.8 60ft. This was on slicks which will effect et. but not so much your trap speed.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by itgsr98 &raquo;</TD></TR><TR><TD CLASS="quote">I'd say that seems a bit slow for a trap speed on your setup. My buddy who put down 200 whp 147 wtq with a very basic b20vtec with type r cams in his ef ran a 12.4@109. with a 1.8 60ft. This was on slicks which will effect et. but not so much your trap speed.</TD></TR></TABLE>

i dont think the op is worried too much about his ET as of right now . hes more concerned on his trap speed because it reflects how much power he is outputing from his engine ... to the OP , i m also curious on why that Cam combination ?

 

Before I get flamed, I'm speaking from experience.

I say it MIGHT be the clutch.

I had a similiar clutch and I was trapping at best 104mph, (240+ whp),, Than I got a twin disk(exedy) and trapping 110+ now.



Modified by kevinz at 4:34 PM 11/7/2007

 

That is an excellent suggestion.

 

The Hondata was On this motor when it was dyno'd on my buddies ek. So there for the Hondata is tuned for this motor. Went with the cam combination because thats what the motor came with. When I logged it the timing is at about 30 degrees at redline. I really didn't look at the a/f ratio but it was at about 12.9-13.2:1. And the clutch is a 3 puck clutch and doesn't slip at all and was just put in not to long ago about 4 months.

 

one would think a setup like that in a crx would trap at least 110, good for a low-mid 12 sec pass at worst(slicks)..i say retune and go from there.. i trap 105-108 depending on conditions in a 2600lb w/ driver dc2. 81x89 ls/v made 225/154.

good luck , this stuff can be very frustrating.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by blacK_Dc4 &raquo;</TD></TR><TR><TD CLASS="quote">

i dont think the op is worried too much about his ET as of right now . hes more concerned on his trap speed because it reflects how much power he is outputing from his engine ... to the OP , i m also curious on why that Cam combination ? </TD></TR></TABLE>

Yeah i realize this that's why i said "his trap speed seems a bit slow" I was just stating that slicks will effect et and not trap when i was using my buddies car as an example. I didn't want the op to think that's why he trapped 109.




Modified by itgsr98 at 8:34 AM 9/27/2007

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by itgsr98 &raquo;</TD></TR><TR><TD CLASS="quote">

Yeah i realize this that's why i said "his trap speed seems a bit slow" I was just stating that slicks will effect et and not trap when i was using my buddies car as an example. I didn't want the op to think that's why he trapped 109.


Modified by itgsr98 at 8:34 AM 9/27/2007</TD></TR></TABLE>

thats wierd i have experienced the exact opisite.. my car traps 107-108 on street tires, 105-106 on slicks. best et of 12.91 on slicks best of 13.47 on 205/50/15 azenis. i guess every car is different

 

Haha weren't you dead scared to sit heads up with stock turbo junk?