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#3256227 - 01/22/14 12:38 PM Re: The new car almost [Re: TFB1]
exranger06 Online   confused


Registered: 01/25/08
Posts: 2635
Loc: Guilford, CT
Originally Posted By: TFB1
Originally Posted By: ram_man
Originally Posted By: crazyoildude
that is not an interference engine in that pt


I thought it was valve to valve contact ?instead of piston to valve contact.


Valve to valve contact??? Really??? AFAIK there is no such thing...

Yes, there is such thing. This engine can have valve to valve contact occur if the belt snaps. It's a dual overhead cam engine. One cam for the intake valves, one for the exhaust valves. Obviously under normal conditions the intake and exhaust valves open at different times and they don't interfere with each other. But if the belt snaps and the camshafts can freewheel at whatever speed, the intake and exhaust valves can be both open at the same time and smack into each other.

And yes, this occurs on this particular engine. The pistons will never hit the valves, but the valves can hit each other.
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#3256237 - 01/22/14 12:45 PM Re: The new car almost [Re: exranger06]
TFB1 Offline


Registered: 09/03/10
Posts: 2622
Loc: VA
Originally Posted By: exranger06
Originally Posted By: TFB1
Originally Posted By: ram_man
Originally Posted By: crazyoildude
that is not an interference engine in that pt


I thought it was valve to valve contact ?instead of piston to valve contact.


Valve to valve contact??? Really??? AFAIK there is no such thing...

Yes, there is such thing. This engine can have valve to valve contact occur if the belt snaps. It's a dual overhead cam engine. One cam for the intake valves, one for the exhaust valves. Obviously under normal conditions the intake and exhaust valves open at different times and they don't interfere with each other. But if the belt snaps and the camshafts can freewheel at whatever speed, the intake and exhaust valves can be both open at the same time and smack into each other.

And yes, this occurs on this particular engine. The pistons will never hit the valves, but the valves can hit each other.


Thanks...

The marble rolling around in my head was telling it could be possible but since I don't buy such vehicles, I've never encountered this problem...

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#3256238 - 01/22/14 12:46 PM Re: The new car almost [Re: ram_man]
VNTS Offline


Registered: 03/01/07
Posts: 1245
Loc: NE
Yes, if the belt snaps at high rpm the valves can contact each other but not the pistons.

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#3256243 - 01/22/14 12:48 PM Re: The new car almost [Re: ram_man]
Rand Offline


Registered: 08/20/03
Posts: 7957
Loc: Barberton,Ohio
seems like a decent deal.

might check out chevy HHR. similar looking (ugly) so they sell cheap.. even really new ones.
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#3256413 - 01/22/14 03:00 PM Re: The new car almost [Re: exranger06]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 15278
Loc: Sunny Florida
Originally Posted By: exranger06
And yes, this occurs on this particular engine. The pistons will never hit the valves, but the valves can hit each other.


And you are then VERY unhappy, yes?
_________________________
"In a democracy, dissent is an act of faith."
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#3256473 - 01/22/14 03:54 PM Re: The new car almost [Re: TFB1]
ram_man Offline


Registered: 03/15/13
Posts: 1752
Loc: southern mo
Originally Posted By: TFB1
Originally Posted By: ram_man
Originally Posted By: crazyoildude
that is not an interference engine in that pt


I thought it was valve to valve contact ?instead of piston to valve contact.


Valve to valve contact??? Really??? AFAIK there is no such thing...


In a non-interference engine, overhead valves can hit each other when the timing belt breaks if certain conditions exists (but it happens rarely) but cannot hit the piston tops.

This is straight from the pt cruiser forum and my instructor is a former chrysler tech and that's what he told me as well. It is possible for it to smack valves.
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02 Saturn sl 131,000 miles
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#3257026 - 01/23/14 04:23 AM Re: The new car almost [Re: ram_man]
Clevy Offline


Registered: 11/11/10
Posts: 7599
Loc: Saskatoon canada
Good for you. The 2.4 is a great engine when properly maintained. My friends mom had the turbo version. It was a fun little car.
Great on fuel and the kids can get in and out easy enough.
I bought my charger for my kids. I wanted a DVD player,a big enough back seat and leg room that is adequate as they grow into adults and I had to have leather,so much easier to clean.
Would it hurt if I told you I get from 26-30mpg on the highway,with a hemi,and city driving may burn a bit more fuel but its way more fun too.
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#3257258 - 01/23/14 10:02 AM Re: The new car almost [Re: Clevy]
ram_man Offline


Registered: 03/15/13
Posts: 1752
Loc: southern mo
Originally Posted By: Clevy
Good for you. The 2.4 is a great engine when properly maintained. My friends mom had the turbo version. It was a fun little car.
Great on fuel and the kids can get in and out easy enough.
I bought my charger for my kids. I wanted a DVD player,a big enough back seat and leg room that is adequate as they grow into adults and I had to have leather,so much easier to clean.
Would it hurt if I told you I get from 26-30mpg on the highway,with a hemi,and city driving may burn a bit more fuel but its way more fun too.


No because its apples and oranges. The hemi hardly works to pull that car around. Also I would guess you are the minority getting that kind of gas mileage with a hemi most people probably drive them harder. I know I would.
The pt is kinda surprising. In just cruising down the highway and I look down a and it says I'm doing 90 it felt like 65-70. I honestly didn't see myself liking this car all that much but I got to say I really do like it. It's easy to get in and out its comfortable.
_________________________
02 Saturn sl 131,000 miles
95 Dodge ram 1500 5.9l 183,000 miles



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#3257635 - 01/23/14 03:41 PM Re: The new car almost [Re: ram_man]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 15278
Loc: Sunny Florida
The simple fact is no one can drive that Hemi too hard for long. They will die in a high speed crash or get too many tickets!!

I have found PT's to have just enough Neon in them to be good cars, despite the polarizing looks of them IMO...
_________________________
"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix

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#3258016 - 01/23/14 09:28 PM Re: The new car almost [Re: SteveSRT8]
ram_man Offline


Registered: 03/15/13
Posts: 1752
Loc: southern mo
Originally Posted By: SteveSRT8
The simple fact is no one can drive that Hemi too hard for long. They will die in a high speed crash or get too many tickets!!

I have found PT's to have just enough Neon in them to be good cars, despite the polarizing looks of them IMO...


I don't mind the look I think the black paint makes it look good. Reminds me of an old moonshine runner car or something.
_________________________
02 Saturn sl 131,000 miles
95 Dodge ram 1500 5.9l 183,000 miles



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#3258223 - 01/24/14 05:06 AM Re: The new car almost [Re: ram_man]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 15278
Loc: Sunny Florida
Originally Posted By: ram_man
Originally Posted By: SteveSRT8
The simple fact is no one can drive that Hemi too hard for long. They will die in a high speed crash or get too many tickets!!

I have found PT's to have just enough Neon in them to be good cars, despite the polarizing looks of them IMO...


I don't mind the look I think the black paint makes it look good. Reminds me of an old moonshine runner car or something.



A GREAT observation. Thanks for the chuckle!!

Many folks who I know that have one love them, they are economical and inexpensive to operate and repair.
_________________________
"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix

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#3258314 - 01/24/14 07:56 AM Re: The new car almost [Re: ram_man]
Jarlaxle Offline


Registered: 02/02/12
Posts: 4184
Loc: New England
Just hope you never have to do a radiator swap without a lift! frown
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1995 Dakota, 5.2, VWB 5W-30, NAPA
2012 Suzuki AN400A, M1 10W-40, Caltric

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#3258343 - 01/24/14 08:29 AM Re: The new car almost [Re: Jarlaxle]
doitmyself Offline


Registered: 06/03/02
Posts: 4784
Loc: MI
Off topic...........now assisting my adult daughter to find a good used car in the $4,000 - $6,000 dollar range, Ram man's other post about used car prices is spot on. In Michigan, people are wanting $5,000+ on 10 year+ Corolla's with over 150,000 miles. There are very few available and lesser ones often have "stories"....salvage title, et..

Best of luck with the PT Cruiser. My 2.4's in my Caravans did very well. The spark plug well O-rings tend to start leaking oil around 120K or so, but that is a cheap easy fix. They had a spark plug number change to avoid cold fouling sometime around 2004....there's a TSB for that. Keep the tranny well maintained. They claim to have remedied most of the problems by 2002 or so. Drive it easy. I also read that the PT is hard on plug wires due to heat degradation, but that might only be the turbo models.

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#3258559 - 01/24/14 11:37 AM Re: The new car almost [Re: doitmyself]
ram_man Offline


Registered: 03/15/13
Posts: 1752
Loc: southern mo
Originally Posted By: doitmyself
Off topic...........now assisting my adult daughter to find a good used car in the $4,000 - $6,000 dollar range, Ram man's other post about used car prices is spot on. In Michigan, people are wanting $5,000+ on 10 year+ Corolla's with over 150,000 miles. There are very few available and lesser ones often have "stories"....salvage title, et..

Best of luck with the PT Cruiser. My 2.4's in my Caravans did very well. The spark plug well O-rings tend to start leaking oil around 120K or so, but that is a cheap easy fix. They had a spark plug number change to avoid cold fouling sometime around 2004....there's a TSB for that. Keep the tranny well maintained. They claim to have remedied most of the problems by 2002 or so. Drive it easy. I also read that the PT is hard on plug wires due to heat degradation, but that might only be the turbo models.


look for a pt or hhr not everyone wants one so they are better deals
_________________________
02 Saturn sl 131,000 miles
95 Dodge ram 1500 5.9l 183,000 miles



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