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Blue Flame or Not #1304227 Fri Mar 22 2019 05:19 PM
Joined: Jul 2006
Posts: 148
C
Craig /49 Panel Offline OP
Shop Shark
Hey Bolters, I bought this block cause the guy said it was a Blueflame Six from a corvette. Can anyone tell me if this is actually a Blue Flame six or not. These are the numbers I have - Block casting: CON 4, L319 GM 3769716 Block S/N F0105J. Head Casting: B48 848 850 3836848 GM 16 CON 12.

THANKS


Still trying to get ole Betsy back on the road.
Re: Blue Flame or Not [Re: Craig /49 Panel] #1304234 Fri Mar 22 2019 05:57 PM
Joined: Jul 2006
Posts: 148
C
Craig /49 Panel Offline OP
Shop Shark
I could also use some information on the CAM for this engine. Would it be solid or hyd lifters. What would be a good replacement? I don't know what's in it yet and there are no lifters with the engine to give me a clue. Any help appreciated


Still trying to get ole Betsy back on the road.
Re: Blue Flame or Not [Re: Craig /49 Panel] #1304235 Fri Mar 22 2019 06:04 PM
Joined: Feb 2004
Posts: 18,832
H
Hotrod Lincoln Online
Boltergeist
Did the seller happen to be named Barnum? According to this site, those numbers don't have anything to do with a 235 engine for a Corvette.

http://chevy.oldcarmanualproject.com/models/engine.htm

The casting number cross-references to a 1960 or 61 Chevy truck 235:

http://www.inliners.org/becks/BCN2.html

That block would be drilled for an oil gallery for hydraulic lifters, but you'd need to do a degree and lift check on the cam to determine if the cam is solid or hydraulic. A 1960-61 truck would have had a solid lifter cam from the factory.
Jerry




The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Blue Flame or Not [Re: Craig /49 Panel] #1304335 Sat Mar 23 2019 02:11 PM
Joined: Aug 2018
Posts: 154
D
drdoug Offline
Shop Shark
So, the good news is that the block and head are good ones, in some ways preferable to the '53-'55 blocks, and the head supports the highest compression ratio (smallest combustion chamber) of any 235 head. Because of the hard service, watch the head for small cracks - should be checked. If the block and head cleanup and magnaflux OK, you did alright. Hopefully no premium paid because the seller misrepresented the engine parts.

You can use a stock grind 261 cam (solid lifter), which was what Chevy used in the Corvette 235 since the lift was higher. Or, you have your choice of aftermarket, solid lifter or hydraulic.

Last edited by drdoug; Sat Mar 23 2019 02:57 PM.
Re: Blue Flame or Not [Re: Craig /49 Panel] #1304369 Sat Mar 23 2019 07:43 PM
Joined: Sep 2001
Posts: 28,313
tclederman Offline
Boltergeist
Or, if you are lucky, you can buy a cam made for the 53-55 Corvette 235, and use it in a non-Corvette 53-55st truck block (I have one in the 1954 235 truck block).


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 48 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Blue Flame or Not [Re: Craig /49 Panel] #1304386 Sat Mar 23 2019 10:59 PM
Joined: Jul 2006
Posts: 148
C
Craig /49 Panel Offline OP
Shop Shark
Okay, lots of good information from you guys. So I have a 60-61 truck engine that I can stick a 261 solid lifter cam in - whooaahhh!!! and for only $100 bucks. I love this forum yahoo


Still trying to get ole Betsy back on the road.
Re: Blue Flame or Not [Re: Craig /49 Panel] #1304424 Sun Mar 24 2019 04:26 AM
Joined: Sep 2001
Posts: 28,313
tclederman Offline
Boltergeist
If you have a 1960/261 235/261, I think it had the same "hi lift "261" cam" in them?

Wait to hear from others - I'll try to remember to check a parts catalog.


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 48 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Blue Flame or Not [Re: Craig /49 Panel] #1304425 Sun Mar 24 2019 04:38 AM
Joined: Feb 2004
Posts: 18,832
H
Hotrod Lincoln Online
Boltergeist
The Elgin Industries E-293S cam is an exact copy of the Corvette 6 cylinder cam, except for a slightly different lash adjustment specification. If you're doing a buildup from a bare block, it would be wise to start with a new cam and lifters. The Elgin cam is much more reasonably priced than the "Corvette" cam some of the resto-ripoff places sell.

http://catalog.elginind.com/elgin/

Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Blue Flame or Not [Re: Hotrod Lincoln] #1304530 Mon Mar 25 2019 01:19 AM
Joined: Jul 2006
Posts: 148
C
Craig /49 Panel Offline OP
Shop Shark

Hi Jerry, I went to the site you listed and see the cam. No Prices so I guess I have to get it from a reseller. Do I just use a set of lifters for a regular 235 with this cam? I didn';t see any lifter information listed with the cam on the website.


Still trying to get ole Betsy back on the road.
Re: Blue Flame or Not [Re: tclederman] #1304532 Mon Mar 25 2019 01:24 AM
Joined: Jul 2006
Posts: 148
C
Craig /49 Panel Offline OP
Shop Shark
Hi Tim, I guess it's a 60 model from the earier posts. I figured I'd need a new cam and lifters anyway as I don't know what condition the existing cam is in and there are no lifters. Maybe I can find a set with lifters/cam/springs for a rebuild.


Still trying to get ole Betsy back on the road.
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