i have 2 Queastions

[Vibe_dude]

#1 is the base 1.8 l a single or double over head cam.........a buddy asked me and i was not sure.#2 what is the best spark plug out there that u guys are useing...ngk iridium?

[Jahntassa]

#1) Single on the Base model#2) I believe most people are using the stock plugs, which are Iridium if i'm not mistaken.

[ToolGuy]

Stick with the stock plugs. If not, you could open yourself up to issues besides, you will not feel a difference with different plugs.

[drunkenmaxx]

call me crazy, but im pretty sure the base has a dual overhead cam.

[Jahntassa]

Quote, originally posted by drunkenvibe »call me crazy, but im pretty sure the base has a dual overhead cam. I had the understanding it was a single with variable valve timing..and the GT was the dual (hence the lift, like VTEC). I could be wrong though... Anyone with the definitive answer?

[ToolGuy]

Vibe — 130 hp 1.8L DOHC VVT-i Vibe GT — 170 hp 1.8L DOHC VVTL-i Vibe AWD — 123 hp 1.8L DOHC VVT-i Sorry... Taken from the Pont site.

[Atomb]

i don't think it would be possible to have 4 valves/cylinder and only a SOHC?any SOHC (i.e VW) are 2 valves per cyl.

[Vibe_dude]

i just found out from the toyota and pontiac websites that they are all dohc's....well know that i have that all cleared up i can sleep now.lol

[ColonelPanic]

Quote, originally posted by Atomb »i don't think it would be possible to have 4 valves/cylinder and only a SOHC?any SOHC (i.e VW) are 2 valves per cyl.Indeed, most of 'em are... Only exception I can think of off the top of my head was Hyundai's Alpha engine from a few years back - there was a SOHC 12-valve version...The Vibe definitely has two cams, the service manager commented about my noisy engine, pointing out that there is a lot going on inside that thing. And there is, when comparing the 1ZZ to a native GM powerplant, I suppose.

[futseal04]

Quote, originally posted by Atomb »i don't think it would be possible to have 4 valves/cylinder and only a SOHC?any SOHC (i.e VW) are 2 valves per cyl.Some of Honda's V6's are SOHC 4 valvers, the new F150 and Mustang V8's are SOHC 3 valvers, and I think that most Benz V6's are SOHC 3 valvers as well. If that isn't confusing enough, a lot of 4 valve diesels are pushrod driven!

[5lbsofswisscheese]

My brother's '95 Neon has a SOHC, 16-valve engine. I did a double-take upon seeing that; I was like, "That must be a f***d-up looking, really crowded camshaft," or something like that.

[polaris1000]

Quote, originally posted by MiVibe-ToolGuy »Stick with the stock plugs. If not, you could open yourself up to issues besides, you will not feel a difference with different plugs. I would of thought the same, but I decided to try out some Denso Iridium Spark Plugs. This was before I put on my exhaust and intake and I could sure feel the difference. The engine seemed more torquey and seemed to help through 4000-5500 range in the rpm's.I did not notice a difference in MPG'S, but I have never been one to watch my MPG'S. I would say they are worth the money and I have not had any problems for over 9 months+++

[Turbo5Speed]

Boshe Platinum series are dependable plugs as well. Ground wires will also helping by grounding at the most efficient points. Also, check out MSD Ignition ( http://www.msdignition.com/ ) for other electrical AM parts to fit your needs.