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Cmax03, was your motor making any sort of odd noises from the belt rubbing before this happened?
No I didn't hear a thing.....Just one second b4 it made a loud pop, but the belt never broke in half.... The little stud for the tensionser spring looks like where the abrasion took place, I would have heard it rubber against the rear timing cover.......1 damaged valve man I'm lucky in that aspect.....could've been worst!!!
It's not the chain that fails in the VE engine...it's almost always the VTC cap breaking that causes the failure...
I know, I didn't say the chains were the main cause of VE failure. I said there's a better chance of eventual destruction with a chain driven engine, simply because they don't require replacement, meaning the chance of it lasting forever are slim, there's a lot of links in chains that require proper lube, any of which can break and cause destruction with the right amount of wear. The more moving parts in any machine, the more chance there is for failure.
I see you gettin down sista, but what's that pipe right there. We look forward to seeing how the new belt sits before you get it covered up.
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Originally Posted by Hectic
I know, I didn't say the chains were the main cause of VE failure. I said there's a better chance of eventual destruction with a chain driven engine, simply because they don't require replacement, meaning the chance of it lasting forever are slim, there's a lot of links in chains that require proper lube, any of which can break and cause destruction with the right amount of wear. The more moving parts in any machine, the more chance there is for failure.
Welp the VE is such an exciting animal that I'm willing to forgo it's shortcomings. Maybe a spare engine will be my short list. I see a few nice ones at the JY.
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02 Max SE 6spd
1990 VE-5 This is not a misprint!!!
Last edited by Augustus Maximus; 06-16-2010 at 07:32 AM.
Welp the VE is such an exciting animal that I'm willing to forgo it's shortcomings. Maybe a spare engine will be my short list. I see a few nice ones at the JY.
So true!
I have a spare VE engine, two spare VE 5 transmissions, spare injectors, tons of coilpacks, along with all sorts of other spare VE goodies that I've been hoarding over the years
I see you gettin down sista, but what's that pipe right there. We look forward to seeing how the new belt sits before you get it covered up.
Welp the VE is such an exciting animal that I'm willing to forgo it's shortcomings. Maybe a spare engine will be my short list. I see a few nice ones at the JY.
That pipe is to a huge beach umbrellla, it was hot as hell that day....Guys....all jokes to the side! That's my niece....She's in Mechanical engineering and was just hanging out with her favorite uncle as the engine was partially torn down with the help of her and my dad who loves this stuff as well....I thought it would be humorous to see this young cutie building engines and cars. Guys, there are some chicks out there that can build some monster horsepower engines....or turn wrenches better than most guys....I used to contract work out when I had huge inspections on the 2 aircraft I was maintaining in Hawaii, 2 techs would come from Oahu, to the Big island..... anyway one of the techs was this really nice looking chick who was an awesome aviation tech.....She held her own all the time....
Calm down son!!!! I got three...and they're pretty much grown. Every day is Father's day as far as I'm concerned. Having been a Father going on 25 yrs what can I tell you that you don't already know...bro?
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02 Max SE 6spd
1990 VE-5 This is not a misprint!!!
Last edited by Augustus Maximus; 06-20-2010 at 03:53 PM.
That means you're either doing stuff to make your dad happy, or everyone in your fam is letting you do what YOU want.
When I have kids, I'm going to damn well be doing what I want on father's day.
orly? i thought you already had kids? or is your 240sx your only child?
__________________ PieceOut.FallToPeacesNew to the forum? CLICK HERE!!!!
1986 Nissan 300zx 2+0: VG30E/5spd | NisTune | Bilstein | Z3R-t1 300lb/in springs | MSA 26mm solid swaybars | Polyurethane everything | 17x9 Cobra-R's w/ 255(f)/275(r)-40-17 | 88-89 susp. swap 1994 Chevy S-10: 4.3L TBI | 4x4 | 5spd | Bilsteins | chrome truckbed toolbox thingy 2004 Honduh Shiitvic EX Coupe: pseudo-vtakz (which broke in june '10!!) | piece of crap | i mean seriously it's a civic | for God's sake can I PLEASE hit a fcuking deer with this thing | selling soon 1990 Nissan Maxima GXE: no motor no trans | a33b(F)/z31(R) BBK | ES poly | SE susp swap | 2k2SE 17s | retired Aug 28th '09
I don't serve them on Father's Day...they serve me. It's MY Gotdam day. So if I say pass me the 10mm wrench or keep pressing the brake while I bleed it. It's my will be done. Oh yeah!!!!
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02 Max SE 6spd
1990 VE-5 This is not a misprint!!!
Last edited by Augustus Maximus; 06-21-2010 at 05:27 AM.
Suction strenght could be greater (that means worst for you slow ones) but only 1 valve was bent......I waiting on parts (gaskets, valve springs, valve, etc) for now!
Suction strenght could've been greater ( worst off) but I'm lucky/blessed that only 1 valve was bent.....parts on order as we speak....pulled car home with Nissan HB!
Ever think of upgrading to '93-94 cam and crank sprockets while you're in there? Better belts (100k vs 60k) and fit the grooves better/improved fitment IMO.
Ever think of upgrading to '93-94 cam and crank sprockets while you're in there? Better belts (100k vs 60k) and fit the grooves better/improved fitment IMO.
+1
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Quote:
Originally Posted by 1993-VG30E-GXE
OH ****E - does this mean I have to REPLACE the radiator, if I move to the 0.50MM oversize, because the OEM radiator might not be able to handle the added heat?
In my experience, the "round tooth" belts are not any louder or quiter. However, I have heard and personally worked on vehicles (VG's) with the round tooth belt where when the belt became loose or worn, there will be something like a VTC noise at the distributor. I've never witnessed or heard about a square tooth causing noise at the distributor.
I would hope others chime in on this observation and either challenge or confirm this.
In my experience, the "round tooth" belts are not any louder or quiter. However, I have heard and personally worked on vehicles (VG's) with the round tooth belt where when the belt became loose or worn, there will be something like a VTC noise at the distributor. I've never witnessed or heard about a square tooth causing noise at the distributor.
I would hope others chime in on this observation and either challenge or confirm this.
Me? - I think the reason why round toothed belts are often the current flavor is a basic technical one wrt the design of the belt and material properties .......................... a round toothed belt have surfaces that contain way less "localized stress points" on the teeth that get "stressed" in a non-uniform way - as a round toothed belt does its work, the teeth mesh in such a way that no particular "edge" or part of the teeth carries more/all of the load for any period of loading - a round toothed design will transfer the load smoothly over the whole face of the round tooth. With a square toothed design the edges imo will invariably do more work than the rest of the tooth's surface and will probably lead to shorted service life specs for those.
ITO stretch/elongation in any of the designs ............. I can see no reason why the one would be better than the other - they are actually both designed to stretch as little as the current manufacturing technology allows - my guess is the actual "working face" material in contact with the pulleys wear some and that gives a false sense of stretch ................. that working face wear will eventually imo determine the service life of the belt.
Comparing the same motor with a round vs square tooth designed set of pulleys and belts with the same amount of service life on it all set up by the same guy to the same spec ............... me? - I have yet to encounter such a situation - in general properly setup belts of any design I find to be quite quiet.
hmm.. I've replaced probably 15 timing belts on 3 gen Maximas, plus another handful of hondas and toyotas and never had a noisy belt when they were done right. I see no difference between the round and square tooth as far as a reliability or noise standpoint.
but that's just my opinion, and we've all got one.
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04 G35 Sedan 6MT- The DD
96 240SX 5 speed- The track toy
93 Maxima SE 5 speed- retired 1-5-09
I said that because my Shelby Charger has the same upgrade option stepping up from the square tooth to the round tooth belt and one on the benefits was lower noise with the round tooth....So I'm sure there are many small advantages worth looking into and upgrading.....I've done so many different timing belts on different cars as well, I can't count them all.....
I don't know if changing to round from square is "sensible" money spent though - most of us petrol-heads/gear-heads keep a pretty tight ship when talking maintenance so we are often looking at and replacing the belts way before their suggested service life is due ................... so what is really gained in reality? - you lose a lot of beer money while getting to brag that the timing belt you now have is 0.2dB (?) quieter than before even though the alternator and other belt tensioner pulleys and water-pump noise all render that "improvement" totally irrelevant.
Technically I would however go along and say that if you already have the pulleys then change them
I don't know if changing to round from square is "sensible" money spent though - most of us petrol-heads/gear-heads keep a pretty tight ship when talking maintenance so we are often looking at and replacing the belts way before their suggested service life is due ................... so what is really gained in reality? - you lose a lot of beer money while getting to brag that the timing belt you now have is 0.2dB (?) quieter than before even though the alternator and other belt tensioner pulleys and water-pump noise all render that "improvement" totally irrelevant.
Technically I would however go along and say that if you already have the pulleys then change them
Getting those round timing component won't cost me $20.....Used!
Pulled the shortblock to address a leaky rear main seal since I'm down and R&R the seal, plus reinstalled the shortblock....was gonna upgrade the valve springs to JWT but Ben(JWT) stated OEM springs are good for 7000 rpm which is
my redline/cutout limiter....no need to spent xtra $$$$!!!!Drop off heads tomorrow!!!!
Talked to my machine shop tech and he found 4 bent valves total....the most severe one is what I found, but the other 3 were still able to set on their valve seats, but they were slightly tweaked......So I'll be waiting on that.....
Talked to my machine shop tech and he found 4 bent valves total....the most severe one is what I found, but the other 3 were still able to set on their valve seats, but they were slightly tweaked......So I'll be waiting on that.....
seeing this thread made me change mine early, it was 7 years old and had 90,000km on it. i thought it would be really worn but the teeth were just a bit rounded, it would have lasted to 120,000km i bet. better safe than sorry i guess, i just basically got my engine rebuilt while it was out
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1992 GXE, JVC HU, Magnaflow XL catback, Euro headlights, Ebay FSTB, Sparco Street seats with harnesses, gutted interior, JDM DIY front lip, Sparco Volanti steering wheel, KYB GR2 struts, Ksport 2.2"/2" drop, dropping in a JDM VG30ET soon
Heads are ready and coming home today.....Been working now 3 weeks straight no days off, so I'll squeeze the time to reassembly this topend @ night time.....Can't wait too hear my baby pur again!!!
Take plenty of bug spray if you're working outside!! The skeeters are NASTY down here right now! They're so bad I can hear them swarming at the front door just waiting to come inside and eat me alive. little bastids...
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04 G35 Sedan 6MT- The DD
96 240SX 5 speed- The track toy
93 Maxima SE 5 speed- retired 1-5-09
Yeah they're out here, but not to bad.....they spray every night with the fogger truck over here.....not that big either....I'm sure Pearlands are country style mosquitos!!!! Big enough to pierce thru jeans and definitely T-shirts.......
| a33b(F)/z31(R) BBK | ES poly | SE susp swap | 2k2SE 17s | retired Aug 28th '09 
Yeah that sucks at least you were near home!!
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