LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LT1: OHV or OHC?

Old May 26, 2004 | 10:39 AM
  #1  
WestCoast96Z28's Avatar
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LT1: OHV or OHC?

So, this Mustang pulls up to me...2 yuppies in suits, and asked me if my engine had an overhead cam or overhead valve? Some blah blah chit chat stoplight talk...cheeseballs. I told them overhead valve, but now I'm not sure, never been asked that before. I'm not an engine guy...I just know you put some fluids in, throw in some sparks, and some exhaust fumes leave, cam turns, and car moves...hopefully fast.

Can someone answer this silly question, just in case this is a start of a pattern of random chit chat with cars that pull up to me.

By the way, just installed the Corsa exhaust last week, and since then, everyone and their mother is pulling next to me reving their engines......
Old May 26, 2004 | 10:42 AM
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I bet they were screwing with you. All Z28's came with regular old ohv. More commonly called a pushrod V8. I cann't get revs out of anyone with my exhaust. It's awesome.
Old May 26, 2004 | 10:51 AM
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All Z28's came with regular old ohv.
That's what I thought. I'm not driving a Honda. I've never been asked this before. They were in a stock 4.6, I think they were just asking a question just to sound smart.

Thanks, now with this knowledge, I am unstoppable...
Old May 26, 2004 | 11:47 AM
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Tell him not to worry about it since your old school push rod V8 still has roughly 50rwhp over his weak OHC 4.6 V8 stock.

Those 4.6 SOHC motors are dogs. HP TV added a supercharger to their project car along with other boltons and it still only made something like 275rwhp
Old May 26, 2004 | 01:00 PM
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Yep, I was laughing the whole time when I saw the results. Problem is they seemed impressed!!!
Old May 26, 2004 | 01:09 PM
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At least they gave the car a name that's appropriate...."Project Nightmare" If I added a supercharger to my car and it only made 275rwhp that would be a nightmare
Old May 26, 2004 | 02:09 PM
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Never saw that episode, but I would have been mad as hell. Personally, I like naturally aspirated (yeah, yeah, you supercharged and NOS folks would smoke me), but if I were to go supercharged and only get 275 at the rear, I'd cry. Didn't know they were that weak.
Old May 26, 2004 | 03:57 PM
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Originally posted by PoorMan
I cann't get revs out of anyone with my exhaust. It's awesome.

me too although a stock berretta did rev at me while we were stopped at a red light. He was in front of me and tried to smoke the tires he won that race
Old May 27, 2004 | 06:57 PM
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Hasn't it been a like 50 years since a car ebgine was made that was not OHV? I mean heck some lawn equipment is OHV now.
Old May 28, 2004 | 01:10 PM
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Originally posted by 96capricemgr
Hasn't it been a like 50 years since a car ebgine was made that was not OHV? I mean heck some lawn equipment is OHV now.
What?
Old May 28, 2004 | 01:17 PM
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Originally posted by GREGG 97Z
Tell him not to worry about it since your old school push rod V8 still has roughly 50rwhp over his weak OHC 4.6 V8 stock.

Those 4.6 SOHC motors are dogs. HP TV added a supercharger to their project car along with other boltons and it still only made something like 275rwhp
Are the 99+ GT motors not SOHC?
Anyway, the 99+ GTs aren't that weak, and are a good race for a LT1 Stock VS Stock...
Old May 28, 2004 | 03:14 PM
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Originally posted by Green94GT
What?
Let's put it like this, can anyone name a car engine made since 1950 that has the valves somewhere other than the heads? That a little cearer?
Old May 28, 2004 | 03:27 PM
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Originally posted by Kris93/95Z28

Anyway, the 99+ GTs aren't that weak, and are a good race for a LT1 Stock VS Stock...
think about what you just said tho
comparing a '99 to a motor that made production in '92, development started on the LT1's in like '89

long live the pushrod
Old May 28, 2004 | 03:47 PM
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Originally posted by simple
think about what you just said tho
comparing a '99 to a motor that made production in '92, development started on the LT1's in like '89

long live the pushrod
I 100% Agree

I wasn't saying it like that...
Its just that most people like to bunch the 215 HP 96-98 GTs power wise with the 99+ GTs, and they are two totally different beasts

Since this is LT1 Tech, and the subject getting bashed is the SOHC 4.6, I want people that don't know, not to think that there Stockish LT1s will destroy the 99+ GTs the same as the 96-98 GTs if they are similarly modded.

Once again I think Ford should/Could be making a ton more power with that type of engine...
Old May 28, 2004 | 05:11 PM
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I love the people that think the SOHC Mustangs only have 1 cam. Uh, sorry charlie. It has two. And the Cobra has, FOUR. I know a guy that swears up and down the cobra is the only one with 2. Then again, he is such a tool that he thinks the 4.6L is a 289 CID. Boy, some people. I once heard of a guy that took the "power bands" from a motorcycle and put them in his car.

96 Caprice - I hope you were joking on the valve placement issue. While TECHNICALLY pretty much all production motors are OHV, (I cant think of any motor that is VIB, usually, OHV means the cam is in the block, while OHC means that it is in the head.

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