I wanted to swap out my L98s 350, for a GM crate 350 long block.... I can get it dropped in for $2800 by GM, plus i can get that priced knocked down to about 2,000....Anyway, But i heard from a few people that the GM crate 350s are guttless, how much HP and torque do they have? I wanted the exact same thing it was orgionally and no less..... more would be good, but no less .....
I dont really have the money for a ZZ4 or Ram Jet which is why i wanna stay stock, becaus then ill have to get a more heavy duty tranny, and upgrade the drivetrain, and i dont want to get into all that yet....

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1991 Z28 Camaro L98
5.7L T.P.I
Blk ext/grey lthr int
http://www.iroc-z.org/albums/KamaroZ91/


http://www.fbody.com/members/KamaroZ350/

 

Dude, why waste the money on a new motor, when you could put it into what you have now?

Why not buy a budget 383 rebuild kit, have your heads ported, put in a bigger cam, and upgrade your tpi to handle the increase.

You could easily spank LS1s with a powerplant like that. And you'd have neck snapping torque!

 

He obviously has a little more miles on it then he wants....So why not get a new one.... why buy a rebuild if your engine blows anyhow???

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IROC-Z
G92, LB9 305 TPI, 3.23

 

I'm going with Brian on this one,because the engine being bone stock and if you do any improvements the warranty is void, been there done that and a 383 stoker kit will give you the tork and power for anyting you might need it for. Just my opinion.
Don

 

Where can i look into a 383 rebuild Kit?

 

any hot rod magazine, like JEGS ect. Don

 

Hey Cloud please explain to me how his engine "blows"??

I think it's a damn good motor. Aluminum heads, roller cam, tune port injected. That is a very solid foundation to build a strong, reliable street machine.

Besides the ZZ4 crate motor is built using the same block as an L98, except the ZZ4 has 4 bolt mains instead of 2. Which you won't even need to worry about unless you plan on making 600 horsepower...

Even if you don't go with the 383, I'd recommend a rebuild with a .30 overbore. Build a tpi 355 with a little head and cam action.

 

I think im gonna do this, a friend refered me to this shop close to my house. I called them, they like working GM cars ... He said the rebuild will cost $2,500 and thats for a rebuild, bore it .30 over (350 to a 355), 3angle valve job(or something like that) and a hotter cam, he said when im ready to have it done, we'll sit down and decide what kinda cam im looking for... And then of course, he said if i brought in some headers, he will instale them while the engine is out, no problem... It has a 12 and 12 warrenty... And i think thats it unless i forgot something....

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1991 Z28 Camaro L98
5.7L T.P.I
Blk ext/grey lthr int
http://www.iroc-z.org/albums/KamaroZ91/


http://www.fbody.com/members/KamaroZ350/

[This message has been edited by KamaroZ350 (edited April 25, 2001).]

 

Hey Kamaroz350,
I have a L98 350 that I rebuilt,put different roller cam, new roller lifters, bored.030, 1.5 roller rockers.
crank ground .010, 80lb oil pump, reworked the heads and I have a good strong engine. but its all based on what you have your mind set on doing especially money wise
Oh and I didn't have to worry wether or not anything was going to line up or hook up.
Don

 

Ill mention roller rockers to, it will be a convient time to do something with them. How much of a difference could you tell after the rebuild??? Did is sound alot louder, like a NOT stock sound and does it pull harder, and what cam do you think is good for me.... I want good low and top end,, but most races are from a stop or like a 30-45mph roll.

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1991 Z28 Camaro L98
5.7L T.P.I
Blk ext/grey lthr int
http://www.iroc-z.org/albums/KamaroZ91/


http://www.fbody.com/members/KamaroZ350/

 

Well, the car has dual flowmaster exaust so its allready loud and sounded good anyway, but if you call 1-800-999-0853 which is Comp cams and tell them what your looking for they will hook you up
Don

 

Kamaro-I wouldn't worry about putting a ramjet or zz4 on your stock drivetrain. With how those engines come from GM your tranny and rear would hold up fine, just ask around.

Brian92rs-kamaro's stock engine doesn't have aluminum heads by the way.



[This message has been edited by Remondi2 (edited April 25, 2001).]

 

Um.... Remondi2 the L98 does have aluminum heads. With a cast iron block.

 

Ummmm....no.........

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BigBlockJason
85 Z28 T-Tops
http://communities.msn.com/JasonsStuff/homepage

 

Unless the l98 is out of a corvette the heads are cast iron, most people don't realize this though. This, a slightly bigger cam, and a less restrictive exauhst system is where the corvette gets the hp advantage over same year l98 camaros. Trust me 92rs, I have one in my driveway.

 

Well what I mean by (blowing) is that I think it would be less work instead of rebuilding an Engine which requires sometimes problems that will make ya spend more time and money!!! But he might have alot of miles on his car If the engine is'nt under 80,000 I'd go for the crate if not then I'd say get the rebuild,,, There's no point if your car has 120,000 miles on it and ya buy a rebuild and it blows....I'm saying as a technician I feel bad for 3rd Gen owners, that when my company do rebuilds on there engines which are anywhere's from 82,000 to 145,000 miles on them and they blow and sieze up.....We have been better off jus putting in a new power plant into the car then rebuilding something that is old and decaying.....

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IROC-Z
G92, LB9 305 TPI, 3.23

 

Hmmmm... That's interesting I always thought even the Camaro's L98 had aluminum heads. What is the purpose of GM making both?

Cloud, I don't understand what you are talking about. Rebuilding a motor is doing exactly that, rebuilding the motor.

It just seems silly to me for him to scrap his motor, when it has basically the same block as the crate motors. All you have to do is get it bored .30 over and it's like new again.