Notices
C3 General General C3 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

Looking for engine

 
Old 06-01-2019, 07:38 PM
  #1  
C3ForLife1968
CF Member
Thread Starter
 
Member Since: May 2018
Posts: 83
Received 5 Likes on 3 Posts
Default Looking for engine

Hi goodpeople. I am looking for a engine for my 1968 Corvette. I can not use the old one since it is a 2 bolt. I donít want an engine with a crazy amount of horespower, somewhere around 300 would be nice. I am looking for a complete engine with carb. So far I have found this https://blueprintengines.com/product...or-bp35511ctc1 it doesnít have to high compression ratio, which i want. Do you have any other recomandations or is this the perfect engine? Your answer is much appreciated
C3ForLife1968 is offline  
Old 06-01-2019, 09:24 PM
  #2  
ratflinger
NCM Grand Opening Veteran
Support Corvetteforum!
 
ratflinger's Avatar
 
Member Since: Sep 2005
Location: Obscurification is a practicable art!
Posts: 15,343
Received 49 Likes on 41 Posts
St. Jude Donor '11, '17
Default

?? Absolutely nothing wrong with a 2-bolt block. Sure if you are buying new why not, but there are a lot of 350s making way north of 300hp with a 2-bolt. 300hp is easy to get with readily available stock parts, iron or alum heads, a mild cam, headers, and alum intake will do it. Your properly tuned Qjet is good for quite a bit more. The Blueprint engine looks okay, but you can do better for less money doing it yourself.
ratflinger is offline  
The following users liked this post:
C3ForLife1968 (06-02-2019)
Old 06-02-2019, 12:04 AM
  #3  
7T1vette
CF Senior Member
 
7T1vette's Avatar
 
Member Since: Jan 2006
Location: Crossville TN
Posts: 30,869
Received 1,117 Likes on 1,005 Posts
Default

If your 2-bolt block is still serviceable, use it again. Now, if you were going for over 400hp, the 4-bolt would be better.
7T1vette is offline  
The following users liked this post:
C3ForLife1968 (06-02-2019)
Old 06-02-2019, 12:40 AM
  #4  
suprspooky
CF Senior Member
 
Member Since: Jul 2016
Location: Blaine MN
Posts: 630
Received 49 Likes on 46 Posts
Default

for another 1100.00 you can get a 375hp roller from tristar ( a co-worker has this motor in a 78 malibu and he's very happy with it) no oil additives and probably more bang for the buck imo. Gl and have fun, tell us what you end up with.
suprspooky is offline  
The following users liked this post:
C3ForLife1968 (06-02-2019)
Old 06-02-2019, 02:32 AM
  #5  
rvzio
CF Senior Member
Support Corvetteforum!
 
Member Since: Jun 2013
Location: New Smyrna Beach Florida
Posts: 6,762
Received 540 Likes on 470 Posts
Default

What is the old motor, a 327 or 350. Is it running, seized, burning oil??
rvzio is offline  
Old 06-02-2019, 02:55 AM
  #6  
riverracer au
CF Senior Member
 
riverracer au's Avatar
 
Member Since: Oct 2010
Location: "ɹǝpunuʍop" Adelaide, Australia
Posts: 1,057
Received 52 Likes on 42 Posts
Default

Originally Posted by C3ForLife1968 View Post
I can not use the old one since it is a 2 bolt. I don’t want an engine with a crazy amount of horespower, somewhere around 300 would be nice.
i have 410Hp and 405ftlbs (not pushing it on dyno) in a 2 bolt block, no problems here.

Last edited by riverracer au; 06-02-2019 at 03:00 AM. Reason: spelling
riverracer au is offline  
Old 06-02-2019, 03:37 AM
  #7  
C3ForLife1968
CF Member
Thread Starter
 
Member Since: May 2018
Posts: 83
Received 5 Likes on 3 Posts
Default

Originally Posted by riverracer au View Post
i have 410Hp and 405ftlbs (not pushing it on dyno) in a 2 bolt block, no problems here.
The ceankshaft bearings are broken, and if i fix it up, it will be broken in about seven years again. I donít wat that. A mechanic, which have known my father for 40 tears told me that. Anyhow, the service costs on the old block is going to be the same as buying a new engine. It is not an original engine anyway
C3ForLife1968 is offline  
Old 06-02-2019, 04:20 AM
  #8  
C3ForLife1968
CF Member
Thread Starter
 
Member Since: May 2018
Posts: 83
Received 5 Likes on 3 Posts
Default

Originally Posted by rvzio View Post
What is the old motor, a 327 or 350. Is it running, seized, burning oil??
350 from 1969
C3ForLife1968 is offline  
Old 06-02-2019, 04:37 AM
  #9  
C3ForLife1968
CF Member
Thread Starter
 
Member Since: May 2018
Posts: 83
Received 5 Likes on 3 Posts
Default

Originally Posted by ratflinger View Post
?? Absolutely nothing wrong with a 2-bolt block. Sure if you are buying new why not, but there are a lot of 350s making way north of 300hp with a 2-bolt. 300hp is easy to get with readily available stock parts, iron or alum heads, a mild cam, headers, and alum intake will do it. Your properly tuned Qjet is good for quite a bit more. The Blueprint engine looks okay, but you can do better for less money doing it yourself.
I donít want a crazy powerful engine, just a reliable 350
C3ForLife1968 is offline  
Old 06-02-2019, 06:39 AM
  #10  
Rescue Rogers
CF Senior Member
Support Corvetteforum!
 
Rescue Rogers's Avatar
 
Member Since: Oct 2015
Location: YUPPY HELL Westford MASS
Posts: 5,545
Received 865 Likes on 754 Posts
2016 C3 of Year Finalist
Default

Originally Posted by C3ForLife1968 View Post
The ceankshaft bearings are broken, and if i fix it up, it will be broken in about seven years again. I donít wat that. A mechanic, which have known my father for 40 tears told me that. Anyhow, the service costs on the old block is going to be the same as buying a new engine. It is not an original engine anyway
That may be an opinion and not fact from when I was a kid. The 68 was available as the L79, as well as alot of other chevys in those years with 365 to 375 horsepower and a 2 bolt main. I rebuilt it to L79 power specs last year then added better heads and cam this year. My 327 2 bolt is pushing 450hp and it purrs like a kitten, 11:1 compression and really fun . I wouldnt want over 00hp with a 2 bolt just because you are pushing the ability of the parts but with todays parts and materials availabiltiy, I dont think its that big a deal.

That being said, if you are set on a 4 bolt, contact your local machine shop, they may have the block you want and could build it to those specs for pretty cheap, or if their labor is high, atleast get you the parts for cheap. My local guy afford me parts at his cost just to get the labor. It sounded like a good deal to me. If you are going for a 300 hp build, still go with a forged crank and pistons with a 10:1 compression and the best aluminum heads you can buy. The heads will help prevent detonation and if you want some more power in the future its just a cam change away.

And as a side note, todays oil choices will kill a motor way before horsepower by wiping out a cam, so make sure you get a high zddp oil if you stay with a flat tappet cam. If you are building and have the money for the roller cam, go that route.
Rescue Rogers is offline  
The following users liked this post:
C3ForLife1968 (06-03-2019)
Old 06-02-2019, 11:46 AM
  #11  
Bills72n84
CF Senior Member
Support Corvetteforum!
 
Bills72n84's Avatar
 
Member Since: Sep 1999
Location: mi.
Posts: 1,878
Received 75 Likes on 70 Posts
Default

my friend has a nice 350 L48 out of a 79 ,I think it has 61000 miles on it ,I think he wants $375 for it
Bills72n84 is offline  
Old 06-02-2019, 01:09 PM
  #12  
jackson
CF Senior Member
 
Member Since: Sep 2001
Location: Timmonsville SC
Posts: 5,408
Received 216 Likes on 200 Posts
Default

OP
Who is doing the work to install new engine? You or a shop?

Suggest you put in your avatar/public profile ABOUT where you reside... so we don't have to ask or look ... it matters
if you live in vermonts usa just say vermont

About where is the car registered / operated?
jackson is offline  
Old 06-02-2019, 03:02 PM
  #13  
C3ForLife1968
CF Member
Thread Starter
 
Member Since: May 2018
Posts: 83
Received 5 Likes on 3 Posts
Default

Originally Posted by jackson View Post
OP
Who is doing the work to install new engine? You or a shop?

Suggest you put in your avatar/public profile ABOUT where you reside... so we don't have to ask or look ... it matters
if you live in vermonts usa just say vermont

About where is the car registered / operated?
Norway
C3ForLife1968 is offline  
Old 06-02-2019, 03:18 PM
  #14  
Rescue Rogers
CF Senior Member
Support Corvetteforum!
 
Rescue Rogers's Avatar
 
Member Since: Oct 2015
Location: YUPPY HELL Westford MASS
Posts: 5,545
Received 865 Likes on 754 Posts
2016 C3 of Year Finalist
Default

thats a little ways from vermont, guess a road trip to help out is out of the question.
Rescue Rogers is offline  
Old 06-02-2019, 03:20 PM
  #15  
C3ForLife1968
CF Member
Thread Starter
 
Member Since: May 2018
Posts: 83
Received 5 Likes on 3 Posts
Default

Originally Posted by Rescue Rogers View Post
thats a little ways from vermont, guess a road trip to help out is out of the question.
Could be the best road trip of your life
C3ForLife1968 is offline  
The following users liked this post:
Rescue Rogers (06-02-2019)
Old 06-02-2019, 03:41 PM
  #16  
Rescue Rogers
CF Senior Member
Support Corvetteforum!
 
Rescue Rogers's Avatar
 
Member Since: Oct 2015
Location: YUPPY HELL Westford MASS
Posts: 5,545
Received 865 Likes on 754 Posts
2016 C3 of Year Finalist
Default

I once new a Norwegian girl when I live in Alaska, talk about some beautiful women........

But back on subject and to save you some money

If your machinist insists on 4 bolts have him add 4 bolt splayed blocks. Theres a lot of ways to go that can still save you some money over the shipping of an engine or engine block plus import taxes . You can use your 2 bolt block and use ARP studs and it will be fine as long as you drive it like a normal person..




Read a few of these links comments, they talk about ARP studs adding support, splyed blocks added to a 2 bolt to make it a 4 bolt. And you have a good block to start with....




https://answers.yahoo.com/question/i...onAHUTOfh9pTKj





http://nastyz28.com/threads/2-bolt-m...-mains.249588/





https://www.jalopyjournal.com/forum/...erence.172898/

Last edited by Rescue Rogers; 06-02-2019 at 03:43 PM.
Rescue Rogers is offline  
Old 06-02-2019, 03:45 PM
  #17  
Rescue Rogers
CF Senior Member
Support Corvetteforum!
 
Rescue Rogers's Avatar
 
Member Since: Oct 2015
Location: YUPPY HELL Westford MASS
Posts: 5,545
Received 865 Likes on 754 Posts
2016 C3 of Year Finalist
Default

Originally Posted by C3ForLife1968 View Post
Could be the best road trip of your life
Maybe I need to update my passport and start saving some money.....you have got a thought going in my head now
Rescue Rogers is offline  
The following users liked this post:
C3ForLife1968 (06-03-2019)
Old 06-02-2019, 04:48 PM
  #18  
jackson
CF Senior Member
 
Member Since: Sep 2001
Location: Timmonsville SC
Posts: 5,408
Received 216 Likes on 200 Posts
Default

Originally Posted by C3ForLife1968 View Post
Hi goodpeople. I am looking for a engine for my 1968 Corvette. I can not use the old one since it is a 2 bolt. I donít want an engine with a crazy amount of horespower, somewhere around 300 would be nice. I am looking for a complete engine with carb. So far I have found this https://blueprintengines.com/product...or-bp35511ctc1 it doesnít have to high compression ratio, which i want. Do you have any other recomandations or is this the perfect engine? Your answer is much appreciated
No it's Not perfect ... because it's already bored 0.040" over, it's already nearly worn out as +40 is at practical limit for most later blocks. They don't sell 50 over sbc pistons. And It has crappy heads And a flat tappet cam.
jackson is offline  
The following users liked this post:
JohnRR (06-02-2019)
Old 06-03-2019, 04:11 PM
  #19  
C3ForLife1968
CF Member
Thread Starter
 
Member Since: May 2018
Posts: 83
Received 5 Likes on 3 Posts
Default

Originally Posted by jackson View Post
No it's Not perfect ... because it's already bored 0.040" over, it's already nearly worn out as +40 is at practical limit for most later blocks. They don't sell 50 over sbc pistons. And It has crappy heads And a flat tappet cam.
But is it good enough for a guy that donít want any more power than 310hp?
C3ForLife1968 is offline  
Old 06-03-2019, 04:16 PM
  #20  
drwet
CF Senior Member
 
drwet's Avatar
 
Member Since: Dec 2009
Location: Thunder Bay
Posts: 2,070
Received 137 Likes on 133 Posts
Default

You don't need four bolt mains if all you want is 300 hp.
drwet is offline  

Thread Tools
Search this Thread
Quick Reply: Looking for engine


Contact Us - About Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: