Shark Racing 268 Intake/Exhaust Cams In!

[yamaha]

I've been looking for these for a few years now, I finally had a chance to get them. Hopefully this will let the engine breath alittle better with 18psi being forced into the head. :D

[05xd]

You lucky bastage!?!?!?! Your car is goin to be a friggin beast lol

[slow 2K2GT]

Videos are a must now, you do know that right!

[KeWLKaT]

Damn man, you are either making a crap load of cash or have a long credit line, lol

[yamaha]

The cams were only 250 shipped, since my birthday was next week, this is a early present to myself.

[KeWLKaT]

Dang, that is a steal, I thought it would be closer to the 1k mark, lol

[evan938]

sean, we're drinking when i come out in a couple weeks...especially since your bday is just passing and mine is monday

[2000 elantra]

where they at on the website I want some of these if they work.o yea befor I forget :worthless

[04 elantra cvvt]

I hate all of you non CVVT guys. LOL I wish they made some crap like that for mine.

[PSUsouthpaw]

I hate all of you non CVVT guys. LOL I wish they made some crap like that for mine.


Hear freaking hear! It wouldn't be so bad if we could at least control the CVVT for more power or something.

[04 elantra cvvt]

Hear freaking hear! It wouldn't be so bad if we could at least control the CVVT for more power or something.

I am glad we are on the same page!

[mayollo072R]

The cams were only 250 shipped, since my birthday was next week, this is a early present to myself.

Were tha heck d you get thse so cheap? Lucky you!

[slow 2K2GT]

Those arent FI cams are they? I didnt honestly see a huge deal with putting in NA cams but I could very well be very wrong

[only1db]

from my understanding they tak away some of the overlap...so that is a ctually a good thing with boost...but i could be wrong..

yamaha....i'm pissed that i wont be around when you come bakc this way!!

[yamaha]

I will be posting some pictures soon. The 268 cams are slightly different from the 273/282 cams. I wanted to take away some of the boost lag that I get until 3,500rpm. So these and a small shot of nitrous will be great.

[yamaha]

Yesterday after work I decided to install the Shark Racing Camshafts. I printed out the DIY for the 1.8L intake cam, it's been awhile since I have tore into the head. I folloed the directions rather thoroughly, making sure that the exhaust camshafts white dot was at top dead center with the cam shaft, and there were five links between the intake and exhaust camshaft. Everything went smoothly until I went to go start the car. It wouldn't start at all. Thinking to myself you missed something small, go back and look, I doublechecked everything, but it sounded as it the engine was not getting any compression.

Being that I did this swap in the street in front of my parents house, I jacked up the right side of the cam and took the wheel off to see where the crank pulley was at. After looking at Patreezy's DIY about the timing belt install, the notch for the pulley should face 9AM for the crank pulley to be at top dead center. So, After realigning both the camshaft gear and the crankshaft gear again. I tried to start the car again, and nothing, same situation, sounded like the engine had zero compression.

After talking to Dave about this extensivley, he suggested that I may have the crank 180 degrees out, causing zero engine compression. So, I realigned the crankshaft pulley notch to 3pm, and retightened everything. Tried to start it up, and the battery died. This all being at 8:50pm, right as it's about to get dark outside. I ran down to Advance Auto Parts and got a set of jumper cables, and came back. I got everything hooked up, it sounded as if comprfession was there, butg I did not have my compression tool there to check. I took the sparkplugs out and they were covered in gas, leading me to believe I flooded the enigne.

I didn't have any extra plugs with me, so I had to order some. Hopefully with some new plugs and a compression test will be able to tell me if I have everything installed correctly. Lesson learned, be prepared for anything.

[mayollo072R]

lol! Nice lesson. Question, what about the valve sprigs, have you done something on them? It's been a while since I don't change OEM cams for high cams but I remebered that every time I cahnged OEM cams for High cams the valve springs were to be changed or adjust their height with shims accordingly or the valve steam will break. That was with actually 270+ cams. Most of the times used 282, 290 and 310 so that can be the difference. Dunno.

[evan938]

i dont think if you go from 9 oclock to 3 oclock it really equals 180 degrees...IIRC, the crank spins 2x for the cam to spin 1x .

you may have needed to turn it 1 full turn back to 9 oclock position to get it in the right spot

hopefully someone can confirm this...im about 80% sure

[tharptroy]

i dont think if you go from 9 oclock to 3 oclock it really equals 180 degrees...IIRC, the crank spins 2x for the cam to spin 1x .

you may have needed to turn it 1 full turn back to 9 oclock position to get it in the right spot

hopefully someone can confirm this...im about 80% sure

;)

if it makes you feel any better, I think my thermostat went out yesterday.

[slow 2K2GT]

Well as we all know there is always more involved then what you plan on. Good luck with your troubleshooting and as per, keep us posted!

[evan938]

;)

if it makes you feel any better, I think my thermostat went out yesterday.

?? maybe its to early in the morning for me to understand what you are saying...??

[KeWLKaT]

Dude there IS a mark on the cam sprocket that says UP, it's impossible to screw up 180 degrees.

[yamaha]

Dude there IS a mark on the cam sprocket that says UP, it's impossible to screw up 180 degrees.

Felix, despite there being a UP mark on the cam, and a hole and red dot to align it properly, the crank can still be off in timing. Remember, the crank gear portion on the actual crank is smaller then the camshaft gear, so, by doing a complete 360 degree revolution, this will move the cam gear 180 degrees. So, the crank spins twice, the camshafts spin once.

I also forgot that the BetaI has hydralic lifters, so they need to bleed out and reset themselves. I put the old camshafts back in because I had a wedding to go to. Hopefully they will just need to reset themselves and everything will be good, otherwise I guess I'll have to pull the head.

[slow 2K2GT]

Hopefully they will just need to reset themselves and everything will be good, otherwise I guess I'll have to pull the head.

OOOR! You could sell them to me and use the money for something else!

[Cypher]

where the hell did you get them from?

[KeWLKaT]

yamaha you speak the truth! I forgot about that one, sorry. The only way to align them then would be to mark your **** and make sure the cams are on the right positions whenever you have the cover off.

[yamaha]

where the hell did you get them from?

I got them from someone on RDTiburon, they are more of a rare find then the Airram's.

yamaha you speak the truth! I forgot about that one, sorry. The only way to align them then would be to mark your **** and make sure the cams are on the right positions whenever you have the cover off.

Felix, I know I speak truth. I am the BetaI guy around here. :)

So, I went back over this morning after getting in at 4am from a wedding. Everything was actually aligned properly when I put the old camshaft's back in. Piston #1 (passenger side piston) has to be at top dead center, and was. I also forgot that the old BetaI engine's have hydrolic lifters, which means whenever you take a cmashaft out and oil gets into the lifters, they will need to bleed themselves out to be reset. I'm going to go back over tomorrow and see how everything it, hopefully she may just start right up.

[yamaha]

I did alittle more investigative work. I'm not sure if this is a problem or not, but the inntake camshaft lobes are not even hitting the lifters. There is about 1/4 inch a clearance between the two. I checked on the exhaust camshaft side, and every lobe is touching the lifters. Could this be why I am not getting any compression? Assuming this is the way it should be setup, the valves should in theory be closed, allowing for compression. I guess if I dont get a definitive answer, I will need to rip the head off the car and diagnos the issue from there. Here are some picture's.

http://66.93.172.84/sean/Camshaft/Picture001.jpg

http://66.93.172.84/sean/Camshaft/Picture002.jpg

http://66.93.172.84/sean/Camshaft/Picture003.jpg

http://66.93.172.84/sean/Camshaft/Picture005.jpg

http://66.93.172.84/sean/Camshaft/Picture006.jpg

http://66.93.172.84/sean/Camshaft/Picture007.jpg

[Keyan]

when the HLAs pressurise, it should take up that slack, shouldn't it?

[yamaha]

Well, after talking to someone more knowledgeable on the heads, it seems I have bent the intake valves. I'm assuming the crank went 180 degrees out, causing the issues. I can get a head for around 100 dollars shipped. I guess it's time to start on engine work!

[Keyan]

Well, after talking to someone more knowledgeable on the heads, it seems I have bent the intake valves. I'm assuming the crank went 180 degrees out, causing the issues. I can get a head for around 100 dollars shipped. I guess it's time to start on engine work!

IE: the valves aren't coming back into the head so the HLAs aren't moving back into position and touching the cam?

[yamaha]

IE: the valves aren't coming back into the head so the HLAs aren't moving back into position and touching the cam?

Truth.

[slow 2K2GT]

Ouch dude sorry to hear that, guess my misfortunes arent that bad. Good luck with the re-re-build!

[Keyan]

Truth.

then why didnt the exhaust valves bend as well?

[yamaha]

Thats a good question.

[evan938]

i think it would be pretty hard for you to miss the timing by that much...i was talking to colin (cclngthr) when i had my issue, and he said the timing would have to be off by quite a few teeth for the piston to hit the valves...

id say take it to a shop, have them attempt to reset the timing, and see if it will run then.

[yamaha]

Well, if the crank was 180 out, that means the intake valves would hit. I'm going to take the lifter's out of my old engine and throw them in to see if that makes a difference.

[KeWLKaT]

He said he had it off by 180 degrees evan, I think that is MORE than quite a few teeth, lol.

[evan938]

yeah, but when i think of 180 degrees, i think of 1/2 a cycle, and being that the crank spins 2x for the cams to do 1 cycle, 180 degrees to me translate into the piston being in the correct position, but the wrong valves being open

i thought this was the same issue with mine, but when i pulled it all apart, the valves looked fine, and there were 0 marks on the pistons

[KeWLKaT]

Gah! Brain farting right now, I can't imagine it in my head, lol.

[evan938]

well, when 1/4 are UP, 2/3 are down. if he turned the crank 180 degrees (ie, 9 to 3), then the cams will only spin 90 degrees (ie, 9 to 12). if the crank does 1 full spin, the piston will be at the same location as it started, but if the intake valves were open at that time, the exhaust valves would be open now

[KeWLKaT]

don't our pistons have those grooves in them for the exhaust valves?

That means that if it's at the top where normally the ex. valves would open, now the intake ones are opening and since there is no groove... there is touching.

[Cypher]

why would there be grooves for the exhaust valves? i haven't ever heard that before...

one tooth = 10 degrees so to be off 180 degrees is 18 teeth. Evan the reason you didn't see any marks on the pistons is because the pistons are alot stronger than the valves so its only logical the valves will give (bend) before the pistons show any damage.

[KeWLKaT]

cypher i'm referring to grooves like these to accomodate valves:

http://www.foxperformanceengines.com/images/955%20piston%20resized%2040%25%202.jpg

Then again I'm not sure what our stock piston heads look like, been a while I took a look at one.

[yamaha]

Only on the intake side are there grooves. I will be taking the head apart on Thursday to see the damage. I friend in Maryland has one, and I will be picking it up, hopefully to have it fixed by next weekend.

[KeWLKaT]

Ah! good to know.

[yamaha]

You need to find a life outside of EXD Felix, I posted that like a minute ago.

[KeWLKaT]

You need to find a life outside of EXD Felix, I posted that like a minute ago.

My car is broken, I have no life outside of EXD until I fix it, lol. :abovelol:

[silversharkXD2]

I got them from someone on RDTiburon, they are more of a rare find then the Airram's.



Felix, I know I speak truth. I am the BetaI guy around here. :)

So, I went back over this morning after getting in at 4am from a wedding. Everything was actually aligned properly when I put the old camshaft's back in. Piston #1 (passenger side piston) has to be at top dead center, and was. I also forgot that the old BetaI engine's have hydrolic lifters, which means whenever you take a cmashaft out and oil gets into the lifters, they will need to bleed themselves out to be reset. I'm going to go back over tomorrow and see how everything it, hopefully she may just start right up.


Who...I wonder if they were mine. I sold them to someone on RD last year for 550. Who was it

[slow 2K2GT]

Despite the negative timing belt whine from the decompression plate im glad its there for a buffer incase my timing belt snaps or my adjustable cam sprocket lets go.

Best of luck with your search, seems with all the money you are spending now you might as well upgrade the valve train.

[yamaha]

Well, take it from me, dont bend valves. I looked rather quickly on HMA, and the torque for the bolts at 22lbs and 26lbs, then a 60 + 60 degree turn on each. This should be rather easy. I will be putting header wrap on my manifold and downpipe since it will be off.

Despite the negative timing belt whine from the decompression plate im glad its there for a buffer incase my timing belt snaps or my adjustable cam sprocket lets go.

Best of luck with your search, seems with all the money you are spending now you might as well upgrade the valve train.

Not upgrading the valve train yet. I have little money to fix the car. So it's either put a new head on, or the car will sit for the rest of the year.

Who...I wonder if they were mine. I sold them to someone on RD last year for 550. Who was it

I bought them from a guy that put about 20,000 miles on them.

[silversharkXD2]

bet they were mine. It has been over a year. That might be about right

[slow 2K2GT]

bet they were mine. It has been over a year. That might be about right

You had these on your XD?

Not upgrading the valve train yet. I have little money to fix the car. So it's either put a new head on, or the car will sit for the rest of the year.

Again you should sell em to me, that would help with funding

[yamaha]

The only way I will sell them is if I blow the RD up from boosting 25psi+, then I would sell them to you.

[slow 2K2GT]

well get to blowing!!!! Seems you are on the way...*evil grin and laugh*

[yamaha]

Got the head pulled in about 1.5 hours, and was suprised to find this. :owned:

http://66.93.172.84/sean/Bad%20Head/DSCN1802.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1803.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1804.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1805.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1806.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1807.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1808.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1809.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1811.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1812.JPG

http://66.93.172.84/sean/Bad%20Head/DSCN1814.JPG

[Keyan]

OUCH.


Time for a longblock !

[evan938]

holy **** sean. those pistons are trash. ive heard of people using pistons that may have tiny indents from valves, but for christ sake, you took chunks out.

[slow 2K2GT]

looks to me like someone didnt rotate the engine a few times to check for resistance...ouch dude thats bad looking!

[evan938]

that blows though...you had that thing running for what, a month?

new beta 1 = 500$. swap it in, turn down the boost, build new motor over next year, internals, headwork, tranny mods, and have it ready for next year

otherwise, ill give you 2k for it as it :D

holy **** sean, that sucks. you had it running for what, a month?

id say replace the engine w/ ebay engine, turn boost down to 6-8psi, build new engine up over next year or so, internals, headwork, tranny upgrades, and have it ready for next year

or ill give you 2k for the car as is :D

http://cgi.ebay.com/ebaymotors/2000-elantra-or-tiburon-engine-and-auto-transmission_W0QQcmdZViewItemQQcategoryZ33615QQihZ 006QQitemZ160123781940QQrdZ1 cheap engine, 90k miles, timing belt at 68k

dont even try to just slap a new head on. reason why...#1, those pistons are ****ed harder than a whore on friday night. #2, if you **** up the timing again, youre gonna be right back where you started

[silversharkXD2]

You had these on your XD?



Again you should sell em to me, that would help with funding

no...for my tib...link in my sig. I never installed them. I bought them, researched, then desided that it was to much risk because it became my wifes daily after I bought them. Her CRX was no longer a safe ride IMHO because she was pregnant. So I gave her the tib because I had a company truck. then she wrecked the damn car. after that, i didn't want to put that kind of money into a car that had 12,000 dollars in repairs. (****ty pic in my gallery) So i sold them to a guy on RD for 500.00 bucks and put a kit on the car to dress it up till it was paid off. (link of pic in sig, as stated.)

[only1db]

dude those are done!!! i have seen some pushed on pistons while working on subarus...but man those are done!

time for new everything

[KeWLKaT]

ohhhhhhhhhh man
i am no longer jealous of your ride, lol

you shouldve left the damn cams alone bro, you shoulve left them alone...

hindsight is 20/20 right? lol

[yamaha]

A buddy and I looked at the car. Pistons are going to be cleaned up and ran. Go big or go broke, hopefully go broke so I can build a better engine!

[KeWLKaT]

I guess the only thing you would get as a negative effect would be an even lower compression, lol. More boost FTW

[yamaha]

The only other thing I need to worry about is predetonation. We will see.

[evan938]

and failing pistons.

[Cypher]

is that what those grooves are for? i always thought they were there to alter the comp ratio somehow lol like little dishes.

[only1db]

on the beta and beta 2 pistons there are clearance grooves for the valves...but when they slam into the piston like that...its not enough...obviously....we have ran subarus that looked like that and we had now problems....but that was short term...dont know about long time and with boost.

[silversharkXD2]

I was always told that those cams cause a ****ty idle. Thats why I skipped out on them

[Keyan]

I was always told that those cams cause a ****ty idle. Thats why I skipped out on them

all high lift/duration cams do.

[Denisst99]

use sandpaper to smooth out the newly made notches,then clean carefully
you don't want any sharp edges or dirt