68 frame mount/motor mount question - Team Camaro Tech
Engine General Engine Discussion.

 
LinkBack Thread Tools Display Modes
post #1 of 14 (permalink) Old Feb 9th, 10, 01:25 PM Thread Starter
 
Join Date: Feb 2010
Posts: 5
68 frame mount/motor mount question

I have a 68 that had a BB in it and I'm in the process of putting in a SB. My problem is with the BB frame and motor mounts the oil pan is hitting the cross member. Will SB frame mounts raise the motor? Another question would be what combo of mounts would give me the most clearance?

OK after some research it looks like I need 68 302/327 frame mounts. Is this the correct thinking?

Thanks for the advice

Last edited by Zammer217; Feb 9th, 10 at 01:48 PM. Reason: did some research on this site
Zammer217 is offline  
Sponsored Links
Advertisement
 
post #2 of 14 (permalink) Old Feb 9th, 10, 02:02 PM
Senior Tech
Tom
 
Join Date: Jun 2001
Location: Rochester Mn
Posts: 7,749
Smile Re: 68 frame mount/motor mount question

In 67 + 68 the small blocks all used the same frame mounts. These are different then the Big Block mounts. When you install the engine, if your harmonic balancer hits your stock sway bar you must add some washers between the engine mount and the engine block. If your sway bar is larger then the stock one, you will have to shim that down.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
TJS69 is offline  
post #3 of 14 (permalink) Old Feb 9th, 10, 02:05 PM
Senior Tech
red
 
Join Date: Nov 2003
Location: OH
Posts: 918
Re: 68 frame mount/motor mount question

My brother had a 68 BB car with a sb in it, and motor sat low. Is your car a 4 speed? I have a set of sb 67 frame mounts new.
red67L78 is offline  
 
post #4 of 14 (permalink) Old Feb 9th, 10, 02:25 PM
Gold Lifetime Member
Bryon
 
bcm66's Avatar
 
Join Date: Apr 2006
Location: Nebraska
Posts: 4,661
Re: 68 frame mount/motor mount question

Doug - is it a stock oil pan?

I know back in the 70s we would swap a 302 and a 396/375 hp engine fairly regularly in a 67 with no issues, other than having to use that washer trick sometimes. But normally didn't have to. If it has a stock oil pan I can't image why it would be hitting the cross member.

68 Camaro SS 396 - 468 BBC now, M21, 12 bolt 3.73 coded housing but w/ 3.31 gears.
Looking for 68 Camaro with body number NOR 181016
CRG -
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
bcm66 is offline  
post #5 of 14 (permalink) Old Feb 9th, 10, 02:36 PM Thread Starter
 
Join Date: Feb 2010
Posts: 5
Re: 68 frame mount/motor mount question

Quote:
Originally Posted by bcm66 View Post
Doug - is it a stock oil pan?

I know back in the 70s we would swap a 302 and a 396/375 hp engine fairly regularly in a 67 with no issues, other than having to use that washer trick sometimes. But normally didn't have to. If it has a stock oil pan I can't image why it would be hitting the cross member.
No it is not a stock oil pan it's a Moroso 7qt.
Zammer217 is offline  
post #6 of 14 (permalink) Old Feb 9th, 10, 03:45 PM
Team Member
 
Join Date: Aug 2001
Location: Newark De.
Posts: 863
Re: 68 frame mount/motor mount question

Not all 67 68 small block motor mount frame stands are the same . 350 & 302 were the same and 327 were different . They were shorter front to back. So you couldn't put a 327 motor mount on a 350 or 302 frame stand . The 396, 350 ,302 motor mount will all work together.

67 royal plum L78 11.70's @115
69 RS Z28 cross-ram
68 convt. all orig 2nd owner
67 396 royal plum impala 4spd parchment int
green z is offline  
post #7 of 14 (permalink) Old Feb 9th, 10, 06:03 PM
Senior Tech
Tom
 
Join Date: Jun 2001
Location: Rochester Mn
Posts: 7,749
Smile Re: 68 frame mount/motor mount question

I am not sure on the original equipment frame stands, but this chart shows that the stands were the same. The engine mounts were different on the 302/350. Frame stands are brackets and mounts are engine mounts.



The 69' 302/350 frame mounts and engine mounts were the short and narrow style when GM redesigned their problem prone 327 mounts in High performance applications.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
TJS69 is offline  
post #8 of 14 (permalink) Old Feb 9th, 10, 06:26 PM
Gold Lifetime Member
Bryon
 
bcm66's Avatar
 
Join Date: Apr 2006
Location: Nebraska
Posts: 4,661
Re: 68 frame mount/motor mount question

The problem is the oil pan, not the stands or mounts.

68 Camaro SS 396 - 468 BBC now, M21, 12 bolt 3.73 coded housing but w/ 3.31 gears.
Looking for 68 Camaro with body number NOR 181016
CRG -
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
bcm66 is offline  
post #9 of 14 (permalink) Old Feb 9th, 10, 06:50 PM
Senior Tech
Tom
 
Join Date: Jun 2001
Location: Rochester Mn
Posts: 7,749
Smile Re: 68 frame mount/motor mount question

Quote:
Originally Posted by bcm66 View Post
The problem is the oil pan, not the stands or mounts.
Right you are ! Get a stock pan !

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
TJS69 is offline  
post #10 of 14 (permalink) Old Feb 9th, 10, 10:43 PM Thread Starter
 
Join Date: Feb 2010
Posts: 5
Re: 68 frame mount/motor mount question

Quote:
Originally Posted by TJS69 View Post
Right you are ! Get a stock pan !
OK a little more info. It's not a stock SB it's a 383 with I-beam rods so I need this pain for the extra stroke clearance. Any ideas now....I really don't want to mod the cross member.
Zammer217 is offline  
post #11 of 14 (permalink) Old Feb 10th, 10, 07:19 AM
Senior Tech
Tom
 
Join Date: Jun 2001
Location: Rochester Mn
Posts: 7,749
Smile Re: 68 frame mount/motor mount question

There are other pans that are shorter in the front, that will clear 3.75 cranks. I am not sure if the I beam rods create a problem at the pan rails. If they do, you may be able to grind clearance at the pan rail ?

http://www.milodon.com/oil-pans/stre...ns-sbchevy.asp

http://www.moroso.com/catalog/catego...?catcode=11000

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1

Last edited by TJS69; Feb 10th, 10 at 07:31 AM.
TJS69 is offline  
post #12 of 14 (permalink) Old Feb 10th, 10, 08:08 AM
Senior Tech
red
 
Join Date: Nov 2003
Location: OH
Posts: 918
Re: 68 frame mount/motor mount question

Give us an idea of what amount of clearance you need. See if jacking up a little would help. My thinking is getting some tall solid motor mounts on top of sb 67 frame mounts.
red67L78 is offline  
post #13 of 14 (permalink) Old Feb 10th, 10, 08:51 AM Thread Starter
 
Join Date: Feb 2010
Posts: 5
Re: 68 frame mount/motor mount question

Quote:
Originally Posted by red67L78 View Post
Give us an idea of what amount of clearance you need. See if jacking up a little would help. My thinking is getting some tall solid motor mounts on top of sb 67 frame mounts.
I need to raise it about 1/2 to 3/4 of an inch. I will see if I can get the garage warmed up today and double check. Built a new garage but did get around to getting a heater installed yet so it's a little cold.
Zammer217 is offline  
post #14 of 14 (permalink) Old Feb 10th, 10, 11:12 AM
Gold Lifetime Member
Bryon
 
bcm66's Avatar
 
Join Date: Apr 2006
Location: Nebraska
Posts: 4,661
Re: 68 frame mount/motor mount question

What length rods did you use - 5.7 or 6 inch? I know lots of people with 383s and some run stock oil pans.

68 Camaro SS 396 - 468 BBC now, M21, 12 bolt 3.73 coded housing but w/ 3.31 gears.
Looking for 68 Camaro with body number NOR 181016
CRG -
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
bcm66 is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Team Camaro Tech forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address.
NOTE we receive a lot of registrations with bad email addresses. IF you do not receive your confirmation email you will not be able to post. contact support and we will try and help.
Be sure you enter a valid email address and check your spam folder as well.



Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome