This motor seems like a good deal from YearOne. Any have experience with it? Less then a ZZ4 engine...

http://www.yearone.com/serverfiles/f...motor&SM=2&SC=


thanks..

 

Sorry buddy, but that link goes to a literature page. Maybe recheck you link? Oh, welcome to the forum.

 

Welcome to the forum.

 

Hey Guys thanks for the welcome. I got a big project (for me) in the works, maybe bit off more then i can chew but its fun so far...
I dont need the motor or trans till spring but its fun to look...

Dont know why the link wont work but here is a cut and paste. seems like a lil more bang for the buck then the ZZ4.. and i think year one is good company? any input?

part number is CT350PC1
www.yearone.com

thx again.
rich


Engine Specifications:
·Horsepower: 400+
·Torque: 400+ ft/lbs
·Compression ratio: 9.5:1
·Dyno-tested: Yes, includes balancer and 14" flexplate
·Dyno sheet: Included with engine's output
·Vacuum produced: 12hg @ 800RPM
·Recommended fuel: 92 octane
·Max recommended RPM- 6000
·Block: Seasoned 4-bolt iron
·Crankshaft: Nodular iron
·Pistons: Hypereutectic
·Connecting rods: Powdered metal
·Camshaft- Hydraulic roller
·Valve lift:.520"
·Duration @ .050" (int/exh): 218deg/228deg
·Rocker arms: 1.6:1 ratio
·Cylinder heads: Ported Vortec
·Valves: Stainless steel 2.02 int/1.60 exh
·Valve springs: Heavy duty
·Bore x Stroke: 4.030" x 3.48"
·Intake manifold: Dual-plane aluminum
·Oil pan, timing cover, valve covers included
·Engine fasteners: High tensile strength
·Warranty: 12 month/12,000 miles



Part # Description Emissions ID Price Add to Cart
CT350PC1 Year One Power Crate 400hp 350 crate engine assembly.
N/A $2990.00

 

I believe it has similar rotating assembly (I personally would preffer forged slugs, that is probably a cast crank) similar heads but ported but are they aluminum? The seasoned block is actually a good thing as long as it is not bored more than 30-40 thousandths. Actually you probably are better off with a ZZ4 and change the cam.

 

The pistons in the ZZ4 are forged? If im not going to use NO2 or change the engine much...just leave it at its base 400hp does it matter? i will only put 4 or 5k on the motor a year... not hard miles...

Its close to a 1500.00 diff vs the yearone to the zz4...

How good are the stock L82 heads i have on there... other then thier not aluminum obviously... So i know aluminum has the weight savings...

what side are the stock L82 head valves?

Is the zz4 roller?


thanks for help... i barley kn ow enough to be dangerous...lol

r

 

L-82 valves are 2.02 - 1.60 but they are generally not good at all in the flow department - even a set of cheap Vortech heads outflow the L-82 heads and the vortechs have smaller valves.

The ZZ4 is indeed a roller cam motor but i dont believe the crank or pistons are forged . the ZZS4 comes with alum heads...its unclear if the YO motor does.

 

I'm by no means an expert on the ZZ4's specs but I believe it has a forged crank with the "pink" rods. As said above the L82 heads are prolly nothing special most heads from the 70's suck. Vortec heads kick azz and aluminum Vortecs are even better. On forged pistons they may be heavier but they are bullet proof.

To me if you are gonna build a motor build it if you are gonna get a crate get a good one. The $1500 difference is for alot of good stuff. The Hyper pistons are "OK" if you are not gonna boost or spray.

 

Here is the GMPP site

http://www.gmperformanceparts.com/home.jsp


here are the specs on the ZZ4

http://www.gmperformanceparts.com/En...9712&engCat=sb


Play around with the Dyno page too.

 

see this thread .. motor seems to get good reviews

http://forums.corvetteforum.com/show....php?t=1800506

 

Gr8 link 74vert...

seems like a deal...

so the heads on the yearone are or are not Aluminum?

The pistons are cast? if i ever wanted to could cast pistone take a 100 or 75 shot of NO2?


what is the diff between forged and cast?
cast is poured into a mold i guess? cast shaped from a solid peice of metal?

thx
rs

 

Don't spray cast pistons unless the motor is a short term thing they like to go boom.

Forged is made at higher pressures and finish machined whereas the cast is poured and cooled with very little machining in comparison to forged.

 

The ZZ4 has L98 heads which only flow around 200 cfm....
The ZZ4 is a joke from a performance perspective for what
you spend/get...

A half alert hobbyist can make more power with a 290hp short block
and a pair of aftermarket heads/cam while spending half the money...
a set of AFR's on the 290SB would roast a ZZ4.... with less money spent.

You can buy a Vortec production 350 long block from GM,cam it, spend
$300 on tweeking the heads and have 100 streetable hp over the
ZZ4..... Vortec 4 bolt main long blocks are about $2100 at Pace Performance.

 

Yeah I was thinking to tell him to buy the 383 shortblock and throw a Vortec top end on it with a nice Comp Cam valvetrain and make 500hp.

 

"A half alert hobbyist can make more power with a 290hp short block
and a pair of aftermarket heads/cam while spending half the money...
a set of AFR's on the 290SB would roast a ZZ4.... with less money spent."

I have a freash 290 that I would like to perk up. Which ARF heads and cam would you recommend (4 speed car with 3.73s)?

 

Depends on how wild you want to go.. or what the car will be used for-you can easily put together a street combo in the 425 to 450hp rangewhich is 75 to 100hp over a ZZ4 with a GM 290hp Short Block/ AFR Head combo.

You want heads in the 180 to 195 cc port size range that flow
at least 250 cfm in the .400 to .500 lift range... get the head specs
from AFR... their new Eliminator heads flow great.. I've also seen some
really good deals on AFR's L98 replacement/Corvette heads in their
"Garage Sale" section..

I'd go for 9.3 to 10.1 compression depending on what Octane you
want to run...matching the head cc's and gaskets to the 290hp pistons.

I like cams in the .230 to .238 lift @ .050 range for street/strip
set ups... don't be afraid of LIFT!!!... way to many Chevy enthusiast
are stagnated on cams for Double Hump heads and their rear ends
pucker when you talk about lift over .480....
That fear is out of ignorance.... a trip to their local dirt track or
some cross training into the LS1 camp where guys are running .600
plus lift on the street would break them out of their mold.... you will probably be looking at around .525 to .550 lift on your combo.... there are plenty of spring combos out there to handle this lift with longevity on the street... and no problems.

The 290 short block is only $1048.... add $1400 or so for the
AFR's and prepare to throw poo on ZZ4's for less money than they
spent.

http://paceperformance.com/index.asp...&ProdID=183227