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  #16 (permalink)  
Old 05-27-2009, 06:43 PM
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Quote:
Originally Posted by va4cqd
K St. Catherines, Ontario engine plant
0502 assembled May 2
TJZ 1973 350 Truck 155hp TH 350 4-Brl C10 & C20

someone must have changed one of the heads at some point.
you basically have a low compression, smogger 350
.
He told me it was a 327 what a jerk i bought the car from.i am new to cam swaps I am hoping this works out . I started with a ticking lifter, now I am changing the cam and lifters (the cam and lifters seem ok ) watch all i needed to do was change a broken valve spring the cam has cWc and ep1 on it do you know what type of cam this is? what should I do forget the cam ,and just dump the engine and just put a crate engine in? or try the cam and see what happens i am trying to keep the price down. here are some pictures of the tear apart
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Last edited by watchdude1; 05-27-2009 at 06:58 PM. Reason: spelling error
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  #17 (permalink)  
Old 05-27-2009, 06:46 PM
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Quote:
Originally Posted by watchdude1
The front suffix is k05 02 tjz
the heads have different #s on them
driver side 998882
passenger side 399892
why do they have different #s is that normal?
engine # 390010
is this engine a 350 not a 327 like the previous owner told me?
I ordered a cam for a 327 is it the same as a 350 cam?
It could be a 327, if the crank is from a 327 (3-1/4" stroke), the 327 and the 350 both have a 4" bore.

Often, rebuilders will use "similar" heads, or your engine might have a replacement on just one side- IIRC, the 882 was a common head for that era, I'm not familiar w/the 892 head. You can look for the date codes of the heads- but it really doesn't matter a whole lot- as stated earlier, their smog-era heads, 76cc nominal chambers.

The cam will fit the engine- that you ordered it for a 327 doesn't matter in that regard. If the cam was perfect for the app in a 327, it'll still be OK in a 350- the power will peak at a slightly lower RPM and the cam will behave a bit "smaller" in the bigger 350 (if it is, in fact a 350).

Good luck.
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  #18 (permalink)  
Old 05-28-2009, 02:48 PM
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The crank could be a 307. Some of the 327 did used 307 crank. They were used as truck motors or industrial use. Cams are interchangeable. The cam can be used all the way down to 265, and all the way up to 400 cubes.

Last edited by lg1969; 05-28-2009 at 02:56 PM.
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  #19 (permalink)  
Old 05-28-2009, 06:36 PM
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Quote:
Originally Posted by lg1969
The crank could be a 307. Some of the 327 did used 307 crank. They were used as truck motors or industrial use. Cams are interchangeable. The cam can be used all the way down to 265, and all the way up to 400 cubes.
I though that but wanted to make sure
the cam I got is a ,
Comp Cam
Intake 218 exhaust 218
tappet lift 268/268
gross valve lift
intake hyd .454 exhaust hyd .454
duration .50
lobe lift .3020
is this a good size that is what the guy said to use with my 308 rear and 350 trans >
do i need to change the springs or can I use the old ones hey seem ok.
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Old 05-28-2009, 06:48 PM
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Quote:
Originally Posted by watchdude1
is this a good size that is what the guy said to use with my 308 rear and 350 trans
Personally, I would have no problem using that cam in a 350, given the gear ratios.


Quote:
do i need to change the springs or can I use the old ones hey seem ok.
If it were me, I'd freshen the springs. You can use the springs recommended by the manufacturer of the cam or a set of inexpensive 1.25" OD (i.e. stock-sized) aftermarket springs of your choice that match up w/the recommended seat and open pressures. Reuse the retainers, but get new locks and seals (also inexpensive).

BTW, the 307 and 327 share the same stroke.
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  #21 (permalink)  
Old 05-28-2009, 06:49 PM
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Quote:
Originally Posted by va4cqd
K St. Catherines, Ontario engine plant
0502 assembled May 2
TJZ 1973 350 Truck 155hp TH 350 4-Brl C10 & C20

someone must have changed one of the heads at some point.
you basically have a low compression, smogger 350
thanks for the info!!
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  #22 (permalink)  
Old 05-29-2009, 06:38 PM
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I received my comp cam was getting ready to put it in , checked the valve guides the exhaust valve is moving that is were my tick was coming from
I want to get new heads now what are good heads for about $1,000 that will go with my comp cam that I already have plus the comp cam self adjusting roller rockers I already got, they have edelbrock aluminium heads 64cc runner 170/60cc int 202/160 max lift 575 s $1200.00 at summitt
plus pep boys have edelbrock heads I might check out ,or shold i get gm vortec heads for less does anyone know were I could get a good set of aluminium heads at?
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  #23 (permalink)  
Old 05-29-2009, 06:42 PM
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Doing that will require a ton more work. That cam will requite at least a 3000 to 3500 stall converter. You will need much more gear too. I am not sure if the compression is high enough to take advantage of the cam. If you are doing all of this, I would look at a crate motor instead
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  #24 (permalink)  
Old 05-29-2009, 06:42 PM
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Never mind. I responded too fast. Note it was answered.
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  #25 (permalink)  
Old 05-29-2009, 07:15 PM
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Quote:
Originally Posted by watchdude1
I received my comp cam was getting ready to put it in , checked the valve guides the exhaust valve is moving that is were my tick was coming from
I want to get new heads now what are good heads for about $1,000 that will go with my comp cam that I already have plus the comp cam self adjusting roller rockers I already got, they have edelbrock aluminium heads 64cc runner 170/60cc int 202/160 max lift 575 s $1200.00 at summitt
plus pep boys have edelbrock heads I might check out ,or shold i get gm vortec heads for less does anyone know were I could get a good set of aluminium heads at?


will this head work with my engine? what one is better 64cc or 70 cc

Made in the USA
Entry level street performance upgrade
A356 aluminum treated to T-6 spec
Larger than stock intake and exhaust ports for increased power
Modern combustion chamber design for improved efficiency and mileage potential
Heli-coil threaded inserts in the rocker stud bosses for proper torque load without damaging threads
Hardened spring cups between the valve springs and casting for wear protection
Available for Small-Block Chevy and Small-Block Ford - sold in pairs
Edelbrock quality and performance at an AFFORDABLE PRICE - see your local dealer today

Small-Block Chevy: #5073 | #5089 specs
Chamber Volume 70cc | 64cc
Deck thickness 9/16"
Valve spring diameter 1.25"
Max lift .550"
Valve spring installed height 1.750"
Rocker studs 3/8" with guide plate
Pushrod diameter 5/16"
Intake port volume 185cc
Intake valve diameter 2.02"
Exhaust port volume 60cc
Exhaust valve diameter 1.60"
Retail Price $949.95 / pair


Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O #5073, #5089
Valve Lift .100" .200" .300" .400" .500" .600" .700"
Intake 63 125 182 225 248 249 -
Exhaust 51 99 131 153 163 168 -


E-Street for 1986 & earlier small-block Chevy cylinder heads
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  #26 (permalink)  
Old 05-29-2009, 07:16 PM
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Watchdude, there are a couple of things to think about and file away for the future. Rule number one: Don't really believe any thing some one tells you about a small block Chevy: write down the numbers and look them up. Rule number two: When some one tells you this motor came out of a Corvette, refer back to rule number one. Rule number three: If one says this is a 4 bolt main 327, refer to Rule numbers one and two. There were no factory 327 built so if the numbers say it is a 327, then it is a two bolt main or has been made into a 4 bolt main. Or as stated before, it is a 350 block with a large journal 327 crank.

Since the numbers on the heads are different and one of them as stated is an unknown number, I suspect you have made an error in reading it. It is very easy to make a mistake on 3s, 6s, 8s and 9s on these old castings. I suspect you have two identical casting numbers 882 heads. Look at the oddball numbered head closely with a good light and magnifier and see if you don't come out with the same numbers.

Trees
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  #27 (permalink)  
Old 05-29-2009, 10:02 PM
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Yeah, sure seems like anyone selling a sbc happens to have pulled it from a corvette. So many corvettes running around without engines.
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  #28 (permalink)  
Old 05-30-2009, 03:37 AM
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heads

Quote:
Originally Posted by watchdude1
I received my comp cam was getting ready to put it in , checked the valve guides the exhaust valve is moving that is were my tick was coming from
I want to get new heads now what are good heads for about $1,000 that will go with my comp cam that I already have plus the comp cam self adjusting roller rockers I already got, they have edelbrock aluminium heads 64cc runner 170/60cc int 202/160 max lift 575 s $1200.00 at summitt
plus pep boys have edelbrock heads I might check out ,or shold i get gm vortec heads for less does anyone know were I could get a good set of aluminium heads at?
Tom , I have a set of iron heads that were on the 350 in my coupe and a also have a 96 350 vortex sitting at the barn , just put a set of heads on it and slip the cam the car came with and ride and enjoy . By the way what do ya think of that valve spring tool I made ?
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  #29 (permalink)  
Old 06-13-2009, 07:45 PM
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valve spring tool worked great , finished engine runs and sounds good some oil leaks but working out well so far.
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