pulled valves out...HOLY CRAP DAMAGE! - Honda Prelude Forum

CSnyder · 02-25-2002, 02:02 PM

take a look at this mess:

bent valve anyone?

uhhhh...is that a broken valve guide i see?

oh, wnd is that hole supposed to be there?

here you go, tell me what you think,

-chris
mxyzptlk@attbi.com

HRC · 02-25-2002, 02:14 PM

damn, and you said you didn't let the clutch out completely? was that a 4th to 2nd miss? since the heads out, are you thinking it's time for some headwork and milling? i had a really good experience with www.portflow.com

CSnyder · 02-25-2002, 03:04 PM

honestly i can't afford to send it off...i'm a poor ass 18 year-old student. I had to break the damn bank to get the parts to get as far as i am. i have a friend who basically runs a domestic shop around here(LGMotorsports). i'm gonna get him to help me out...

also, i might just order some new parts from portflow, like retainers and inner springs...they are pretty cheap. I'm gonna get some REALLY dull bits and start cleaning it up with my dremel. i'll take it to Louis to have it milled...maybe raise the compression a little while i'm at it.

anyone know how much you can mill it without weakening the the head and without bouncing the valves off the pistons?

thanks,
-Chris

DR · 02-25-2002, 05:53 PM

The service manual says the resurface limit is .2mm. Unless you are building a race engine I would go with what the manual says.

Flavour · 02-25-2002, 07:42 PM

I would only mill it .1 incase there is a problem and they have to mill again. .1 is good for I think it was 3/4 a point of compression? i dunno verify that... but i know someone who had to get it milled twice cuz the first one wasnt right...

AccordSleeper · 02-26-2002, 08:34 AM

Damn seeing stuff like that makes me not want to do the auto-manual swap. Were you racing or something? For me 3rd-4th seems easy, assuming you went form 3rd-2nd instead of 3-4. I guess when you are shifting fast anything can happen.

To me the hardest shift seems to be 5th-4th, I'm nervous about banging 2nd instead.

HRC · 02-26-2002, 09:59 AM

Quote:

Originally posted by CSnyder
honestly i can't afford to send it off...i'm a poor ass 18 year-old student. I had to break the damn bank to get the parts to get as far as i am. i have a friend who basically runs a domestic shop around here(LGMotorsports). i'm gonna get him to help me out...

also, i might just order some new parts from portflow, like retainers and inner springs...they are pretty cheap. I'm gonna get some REALLY dull bits and start cleaning it up with my dremel. i'll take it to Louis to have it milled...maybe raise the compression a little while i'm at it.

anyone know how much you can mill it without weakening the the head and without bouncing the valves off the pistons?

thanks,
-Chris

mine is .040

rssnrckt · 02-26-2002, 09:04 PM

Quote:

Originally posted by AccordSleeper
Damn seeing stuff like that makes me not want to do the auto-manual swap. Were you racing or something? For me 3rd-4th seems easy, assuming you went form 3rd-2nd instead of 3-4. I guess when you are shifting fast anything can happen.

To me the hardest shift seems to be 5th-4th, I'm nervous about banging 2nd instead.

Thats what happened to me too. Missed the 3-4 shift and went into 2nd.

Bent 8 valves. Parents wouldnt let me do it myself so I took it to Honda. Should be getting my car back this week, cost me a bit over $2k tho

krzyxrevver12 · 02-26-2002, 09:08 PM

how many did you bend.... so far the record is 8 by rssnrckt.... hehe.... sorry to hear guys.... hope your money/car problems get better

CSnyder · 02-26-2002, 09:14 PM

all 8!! it's REALLY hard to bend the intake ones...

the one on the left is barely bent...can hardly tell in the pick.

i'm taking the head to a friend of mine to mill it and press in new valve guides.

so far, my bill is at $600

-Chris

krzyxrevver12 · 02-26-2002, 11:39 PM

anyone on PO bend more than 8????

Mr.Flash · 02-27-2002, 01:07 AM

i HEARD (emphasis on heard) that this guy on a 2.2 or 2.3 acura CL blew his engine and a piston flew from his hood, there was a hole in the hood.

krzyxrevver12 · 02-27-2002, 01:15 AM

ive seen pics of something like that at a local shop

CSnyder · 02-27-2002, 07:01 AM

Quote:

Originally posted by Mr.Flash
i HEARD (emphasis on heard) that this guy on a 2.2 or 2.3 acura CL blew his engine and a piston flew from his hood, there was a hole in the hood.

no offense to you, but i'll believe that when i see it...

i think the rod(crank side) would break off before a piston would be whot through the actual head, all parts within(cam and head girdle), and the valve cover.

the worst i've ever seen was in a jeep. my friend and i were mudding and he got stuck in a deep-ass hole. he floors it then all of the sudden he looses oil pressure and the engine comes crashing to a stop. He snapped his crank in half and threw a rod and piston through the oil pan into the mud.

-chris

schwett · 03-03-2002, 10:26 PM

i'm sorry, i know that sucks for your friend... but damn... piston in the mud! that's really $*(#*$)$) funny!

Quote:

Originally posted by CSnyder

no offense to you, but i'll believe that when i see it...

i think the rod(crank side) would break off before a piston would be whot through the actual head, all parts within(cam and head girdle), and the valve cover.

the worst i've ever seen was in a jeep. my friend and i were mudding and he got stuck in a deep-ass hole. he floors it then all of the sudden he looses oil pressure and the engine comes crashing to a stop. He snapped his crank in half and threw a rod and piston through the oil pan into the mud.

-chris

HoNdAHaXoR · 03-03-2002, 11:27 PM

when i pulled my head i had 8 bent exhuast valves
that i had been driving on for more than a year

98Luder · 03-03-2002, 11:33 PM

yea I bent 12valves....
but that was bad luck
8k rpm in 3rd and accidently shifted into 2nd

that really sucked...but now the valves are replaced and things are working again.
Feels good to be able to drive again

Be careful out there.

rssnrckt · 03-03-2002, 11:38 PM

Quote:

Originally posted by 98Luder
yea I bent 12valves....
but that was bad luck
8k rpm in 3rd and accidently shifted into 2nd
that really sucked...but now the valves are replaced and things are working again.
Feels good to be able to drive again
Be careful out there.

Same exact thing that happened to me

... Luckily I only bent 8, (still cost a pretty penny to get fixed)

i feel you on being good to have my car back its so great

... Cool thing is that since I got my car back its felt better than it ever did before. As weird as it may sound I think that my VTEC engages a hair earlier than it ever did. I crosses over slightly past 5000rpm now

98Luder · 03-03-2002, 11:50 PM

yea my engine feels stronger too....
I think it is just the joy of having the engine together and the car moving again

it really sucks to sit in the car and pretend to drive when the engine is disassembled with parts all over the garage.
I love driving the Lude....
I used to think the car was slow, but I don't think I'll have take it for granted again. BB6/H22A you rock

CSnyder · 03-03-2002, 11:54 PM

as soon as mines back together...i think i'm going to buy a Syclone.

i drove one this weekend...totally stock, a total baby...33,000 miles on it. it was awesome! i loved it! i never thought i'd enjoy a car with an automatic...who knew?!

-Chris