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Old 09-30-2004, 12:46 PM
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HO 350ci 350 crate motor info

I have a 350 cubic inch 350 horsepower Chev crate motor.
This motor was written up in the March 1989 issue of Hot Rod Magazine. It was part # 10134338.
I have misplace all info on this motor - where can I find information on it - any and all help would be appreciated

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Old 09-30-2004, 01:41 PM
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Old 09-30-2004, 01:53 PM
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As one of the Moderators here, let me be the first to WELCOME YOU here.


I believe the engine is a 345 Horsepower.

Look at the passenger side front pad and see if it has a ZZZ on the end of the number.



If it is..........it is a 345 HP.


NO........the purple engine is NOT mine........ It is a ZZ3, the later, improved version of the ZZZ.

General Motors made the ZZZ (I have one of those),.......the ZZ2, the ZZ3 (pictured above...purple ), the current ZZ4 and the legendary ZZ430.


.

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Old 10-01-2004, 10:20 AM
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crate motor

The number seems to have the ZZZ at the end
I have two pages 66 amd 69 from the Hot Rod magazine article Bow-Tie Breakthrough the engine is described as having Aluminum heads, D shaped exhaust port, do not have heat riser passages, screw in studs, pushrod guid plates, and chrome silicon valvesprings. High life hydraulic roller cam, high rise aluminum intake manifold.
370 lbs ft of torque from 3200 to 4400 rpm
Missing the first page of this article in March of 1989 Hot Rod
have no info on timing etc.
Thanks for the ZZZ info any other links or place to get info would be appreciated - Engine is in my 1976 Vette
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Old 10-01-2004, 12:29 PM
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THE BRAND NEW hotrod magazine has "10 parts that changed the industry" and the ZZZ engine is one of them. there is some information there on it. i actually never heard of one before till i read it last night

save your. well, whatever. i was gonna say like $3.00 or something, whatever Hot Rod costs at the store, but they dont have the price on the front anymore. what the hell's up with that? might be my name is over where it goes or something. anyway, i could prolly link you to hrm if i tried, but it'd be quicker to just type it.
here is what the last half of the article says:
and it's the 20 speed parts that changed the world, btw, not ten parts that changed the industry. any hoe

ZZZ 350 HO crate engine. first crate engine, then "originally released as pn 10134338 with aluminum cylinder heads similar to those used on the L98 Corvette engine, a Z28 high rise dual plane aluminum intake manifold, hypereutectic 9.8.1 pistons, forged crank and rods, wait, this is me, did you get that? forged crank and rods, a single pattern 235 degree hyraulic cam with .480 inch lift, the ZZZ wa rated at 345 HP. Still available as the ZZ4, ... (no mention of timing) i dont know bout you but i think they unrated the hell out of this beeotch. i think, that were talkin like close to 400HP with that cam and aluminum heads and c.r. what do YOU think?

Last edited by bullheimer; 10-01-2004 at 08:05 PM.
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Old 10-01-2004, 08:12 PM
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Re: crate motor

Quote:
Originally posted by trog
The number seems to have the ZZZ at the end
Missing the first page of this article in March of 1989 Hot Rod
have no info on timing etc.
Thanks for the ZZZ info any other links or place to get info would be appreciated - Engine is in my 1976 Vette
I have the General Motors Performance book from 1989. It has the info you want. I have the book because I have one of the ZZZ engines. Mine is #606.

I have read that only 1200 or so were produced before the ZZ1 was released. The original ZZZ had zero offset piston pins and they were the first GM engine using the hypereutectic pistons and they RATTLED. Mine will scare you when it first fires up. As it warms up, the noise is reduced a lot............but you can still hear it. Mine had 50, 000 miles on it when I pulled it out ( hard miles too ) No problems.

ZZ1 had offset piston pins and a different hypereutectic formula.
ZZ2, ZZ3 and ZZ4 's all were revisions to the ZZZ. Dual pattern carb bases, EGR , less lopey camshafts, reduced height on the aluminum intakes (to clear Corvette hoods) and other things. The ZZ4 is rated at 355 Horsepower.

The ZZZ sounds the nastiest of the ZZ series crate engine IMHO


The book is at work so Monday evening is the earliest I could post the info. If you look close, and can see it........there are line up marks stuck on the distributor and the intake.........by GM.

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Old 10-02-2004, 11:44 AM
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crate motor

This info is awesome
have less that 2,000 miles on motor since installation in 1976 vette
yes it rattles when it starts
the torque at about 3500 rpm is something and fun to be sitting in the seat
1976 vette was a 25th wedding anniversary present from wife in
1990 - previously had a 1965 coupe and 1968 with a 427 - wanted to go back to those years so out went original motor with 51,000 and in went the crate motor -
please keep any other info coming
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Old 01-21-2011, 12:19 PM
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Quote:
Originally Posted by trog
I have a 350 cubic inch 350 horsepower Chev crate motor.
This motor was written up in the March 1989 issue of Hot Rod Magazine. It was part # 10134338.
I have misplace all info on this motor - where can I find information on it - any and all help would be appreciated
There is a publication from GM #12485074 which has all the information on the H.O. 350 Installation and Service. Costs about $30.00 Hope this helps.
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Old 01-21-2011, 07:57 PM
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Hey Glenn, info only on this post...you're about 6 years late but thanks anyway for your input...and welcome to the forum.
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Old 01-22-2011, 02:23 AM
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Quote:
Originally Posted by 327NUT
Hey Glenn, info only on this post...you're about 6 years late but thanks anyway for your input...and welcome to the forum.
Sorry I know its 6 years late but I just wanted to post it for future reference for any who may be looking for information on the 350 HO Platforms. I bought one back in 1991 and finally put it in a car last year.
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