How long has your aftermarket cam lasted or not lasted?? - Page 15 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

JCunningham · 11-15-2016, 06:11 PM

Quote:

Originally Posted by jbrown13

Not a Comp core, the Cam Motion cam card says it is an "Andrews" core. The box it cam in says Cam Motion on it. It was a bad core and the induction hardening was improperly done and flaked off most of the lobes. Could be one of a kind or a bad batch, but the hardening was defective.

I'm curious as to how you would presume to know what cam I have/had?

thats not a 8620 Cam Motion cam if it was it would be copper between the lobes. All the failers iv seen and read about were comp cams. Every thing comp cams is junk in these motors. My comp cam was polished wrong (most wrongly polished only lasted 5,000 miles befor taking out the motor) and whined. my trunions were junk when I took them out at 10,000 miles probably were long befor that.

jbrown13 · 11-15-2016, 08:42 PM

Quote:

Originally Posted by JCunningham

thats not a 8620 Cam Motion cam if it was it would be copper between the lobes. All the failers iv seen and read about were comp cams. Every thing comp cams is junk in these motors. My comp cam was polished wrong (most wrongly polished only lasted 5,000 miles befor taking out the motor) and whined. my trunions were junk when I took them out at 10,000 miles probably were long befor that.

That is exactly what I said, not an 8620 alloy cam. It is a 5150 alloy Cam Motion VVT cam. If you don't believe me call Ryan Stephens at GPI and ask him or see his email to me in a previous post.

I think you're going overboard to say "every" Comp Cam is junk in these cars. I'm sure there are plenty of them that have lasted and served people well. Every company, regardless of what they manufacture, is going to put out bad product at some point during its existence.

I'm not trying to bad mouth Cam Motion, in fact, I put one of their 8620 alloy non VVT cams in my car after the VVT cam failure.

JCunningham · 11-15-2016, 08:48 PM

I agree with you. just everything iv bought from comp was junk and every time someone comes on here wit ha failed cam its a comp. well everyone iv seen. i bet 90% of the cams sold for LS engines are comp. Comp f%^ked me over so I do not like them one bit. I may be a little biased.

Camaro Dude · 11-15-2016, 11:37 PM

I challenge anyone here, to find me, a link within this entire forum, a Cam Motion 8620 cam failure, and cam "related" parts failure, within the engine itself, using such a cam, with duration intake spec not exceeding 22X/ plz, and nothing over .60 lift both int and exh, with beehive or dual springs.

And oh, no underdrive pully thingy allowed : )

I challenge

Johnthegreat · 11-17-2016, 03:42 PM

The better question is whats the best spec for a cam for longevity.

Unreal · 11-17-2016, 04:43 PM

A cam is one part of a system. Specs, cores, etc is one small part. Wrong lifters, wrong preload, wrong push rods, wrong springs, etc will kill a cam. So stop looking at just the cam and start looking at the whole system.

Johnthegreat · 11-17-2016, 05:15 PM

I bought the GPI VVT 3 cam. Withthe kit he sells. My question was is it good enough for that size cam or should i pay the extra for whatever i need to make the cam more reliable?

Slowhawk · 11-18-2016, 04:24 PM

As I probably said before in this thread. I've seen 10 failed cams so far now, GM, comp, crane, cam motion. All had chewed lobes.

Common with all motors were the oil being used. mobile 5w-30 or cheap Walmart special oil.
Have built countless cam cars over the 16 years. We have always used mobile 1 0w-40 for the higher zinc. None of them have had failures. So, I still point at the oil. I know lots of people run the 5-30 with no issues, that's just what I've narrowed it down to.

LCPLPunk · 11-18-2016, 05:32 PM

10 out of how many though?

Ir0nM4n · 11-18-2016, 11:54 PM

Ok well that settles it.... Cold Air intake, Headers, tune... good enough. If I want a cam upgrade... nope... just put 10% down on next car.

LCPLPunk · 11-19-2016, 12:15 AM

I think if you went with a smaller cam you'd be fine. I'm thinking of grabbing the GPI SS1 cam. From the dyno sheets I've seen I'd be at about 450 RWHP on my L99, which is almost an 80hp difference. That's awesome for such a 'baby' cam.

Dmpsix · 11-19-2016, 08:09 AM

Quote:

Originally Posted by Slowhawk

As I probably said before in this thread. I've seen 10 failed cams so far now, GM, comp, crane, cam motion. All had chewed lobes.

Common with all motors were the oil being used. mobile 5w-30 or cheap Walmart special oil.
Have built countless cam cars over the 16 years. We have always used mobile 1 0w-40 for the higher zinc. None of them have had failures. So, I still point at the oil. I know lots of people run the 5-30 with no issues, that's just what I've narrowed it down to.

Good info. Cams are really confusing I guess because some people say it's the quality of the cam itsef(the grade of metal), or lifters, maybe springs...etc. etc.

Seems like every part you install has a chance to fail miserably.

WHAMMO · 11-22-2016, 06:19 AM

Zinc additive in oil is a must with cam. I run AMoils Zrod. Very happy about it.

pir4te · 11-22-2016, 07:12 AM

Yeah +1 for big zinc oils at the cam face, but not if your run e85. You need GF-5.

11-15-2016, 08:48 PM	#199
JCunningham Drives: 2017 2SS M6 Join Date: Jun 2013 Location: WNY Posts: 7,070	I agree with you. just everything iv bought from comp was junk and every time someone comes on here wit ha failed cam its a comp. well everyone iv seen. i bet 90% of the cams sold for LS engines are comp. Comp f%^ked me over so I do not like them one bit. I may be a little biased. __________________ real ZL1 wheels and brakes, 285/305 Michelin Pilot Super Sports, Pray ported Intake manifold, Soler Throttle Body, Rotofab intake, EFI Tuning Flex fuel kit, full American Racing Headers Exhaust, 1 7/8" w/ cats H pipe and mufflers. Full 1LE suspension, with BMR adjustable sway bars and links, GM aluminum cradle bushings, Hurst shifter with lighter reverse spring, TWM shifter knob, Tick level 1 transmission. I should have bought a ZL1

11-17-2016, 04:43 PM	#202
Unreal Drives: 2006 Z06 Join Date: Oct 2010 Location: Gilbert, AZ Posts: 5,712	A cam is one part of a system. Specs, cores, etc is one small part. Wrong lifters, wrong preload, wrong push rods, wrong springs, etc will kill a cam. So stop looking at just the cam and start looking at the whole system. __________________ Nick Corvette Z06 -1200ish rwhp

11-18-2016, 05:32 PM	#205
LCPLPunk USA-1 Drives: 2010 Camaro SS L99 Join Date: Jul 2016 Location: Near DC Posts: 1,893 View My Garage	10 out of how many though? __________________ "A Camaro in the garage is safe, but that's not what Camaros are built for..." R2C CAI / Apex Scoop / VMAX Ported TB / Speed Engineering LTHs / X-pipe / GPI port/rod-mod intake manifold / Circle D 3200 278mm Converter / 3.91 gears / DynoSteve tuned / 1LE Shocks/Struts/Toe Links / ZL1 Rear Sway Bar / Z/28 Trailing arms / Prothane Radius Arm & Subframe Bushings / BMR UCA Bracket, Steering rack bushing / B&M Tranny Cooler / RX Catch Can / Jannetty Tranny Dipstick / 2012+ Heater Hose / 2013+ Rearview Mirror / Fuel rail flip / Drake shifter / Oil Cooler Delete

11-18-2016, 11:54 PM	#206
Ir0nM4n Love me some Tacos Drives: 14 1LE Join Date: May 2011 Location: Washington Posts: 2,728 View My Garage	Ok well that settles it.... Cold Air intake, Headers, tune... good enough. If I want a cam upgrade... nope... just put 10% down on next car. __________________

11-19-2016, 12:15 AM	#207
LCPLPunk USA-1 Drives: 2010 Camaro SS L99 Join Date: Jul 2016 Location: Near DC Posts: 1,893 View My Garage	I think if you went with a smaller cam you'd be fine. I'm thinking of grabbing the GPI SS1 cam. From the dyno sheets I've seen I'd be at about 450 RWHP on my L99, which is almost an 80hp difference. That's awesome for such a 'baby' cam. __________________ "A Camaro in the garage is safe, but that's not what Camaros are built for..." R2C CAI / Apex Scoop / VMAX Ported TB / Speed Engineering LTHs / X-pipe / GPI port/rod-mod intake manifold / Circle D 3200 278mm Converter / 3.91 gears / DynoSteve tuned / 1LE Shocks/Struts/Toe Links / ZL1 Rear Sway Bar / Z/28 Trailing arms / Prothane Radius Arm & Subframe Bushings / BMR UCA Bracket, Steering rack bushing / B&M Tranny Cooler / RX Catch Can / Jannetty Tranny Dipstick / 2012+ Heater Hose / 2013+ Rearview Mirror / Fuel rail flip / Drake shifter / Oil Cooler Delete

11-15-2016, 11:37 PM	#200
Camaro Dude Drives: ‘13 1LE Join Date: Jul 2013 Location: Earth Posts: 3,904	I challenge anyone here, to find me, a link within this entire forum, a Cam Motion 8620 cam failure, and cam "related" parts failure, within the engine itself, using such a cam, with duration intake spec not exceeding 22X/ plz, and nothing over .60 lift both int and exh, with beehive or dual springs. And oh, no underdrive pully thingy allowed : ) I challenge

11-17-2016, 03:42 PM	#201
Johnthegreat Drives: 2012 2SS/RS black camaro Join Date: Jul 2011 Location: New York Posts: 516	The better question is whats the best spec for a cam for longevity.

11-17-2016, 05:15 PM	#203
Johnthegreat Drives: 2012 2SS/RS black camaro Join Date: Jul 2011 Location: New York Posts: 516	I bought the GPI VVT 3 cam. Withthe kit he sells. My question was is it good enough for that size cam or should i pay the extra for whatever i need to make the cam more reliable?

11-18-2016, 04:24 PM	#204
Slowhawk Drives: 1999 Trans Am Join Date: Jul 2009 Location: Bridgewater,Ma Posts: 2,017	As I probably said before in this thread. I've seen 10 failed cams so far now, GM, comp, crane, cam motion. All had chewed lobes. Common with all motors were the oil being used. mobile 5w-30 or cheap Walmart special oil. Have built countless cam cars over the 16 years. We have always used mobile 1 0w-40 for the higher zinc. None of them have had failures. So, I still point at the oil. I know lots of people run the 5-30 with no issues, that's just what I've narrowed it down to.

11-22-2016, 06:19 AM	#209
WHAMMO Drives: 13' 1LE Join Date: Apr 2012 Location: Canada Posts: 2,642	Zinc additive in oil is a must with cam. I run AMoils Zrod. Very happy about it. __________________ 13' 1LE Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me.

11-22-2016, 07:12 AM	#210
pir4te Moonshiner Drives: Holden SS-V L77 flex fuel Join Date: May 2012 Location: Sydney, Australia Posts: 166	Yeah +1 for big zinc oils at the cam face, but not if your run e85. You need GF-5. __________________ Compression is King. Naturally as-pirated, all-motor, all alcohol.