Log in

View Full Version : 302 balancer


Tracker1
10-25-2013, 05:14 PM
This balancer is hanging off the crank of my '69 DZ 302 - what the heck is it from cuz it doesn't look like any Z28 balancer I'ver ever seen http://www.yenko.net/ubbthreads/pics/usergals/2013/10/full-3497-7232-balancer.jpg

Fast67VelleN2O
10-25-2013, 05:52 PM
283 or low horse 327

Tracker1
10-25-2013, 09:10 PM
many thanks

<<GRAEMLIN_URL>>/beers.gif

Plowman
10-25-2013, 09:58 PM
I do not know but not all 302s got the 8&quot;Big Thick Balancer. I think a light weight balancer and light weight fly wheel would rev faster.

miket1
10-26-2013, 03:54 PM
on the farm we had a 68 chevy C50 grain truck that had a balancer like that.

Salvatore
10-26-2013, 07:08 PM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Plowman</div><div class="ubbcode-body">I do not know but not all 302s got the 8&quot;Big Thick Balancer. I think a light weight balancer and light weight fly wheel would rev faster. </div></div>The 67-69 302's got the big 8&quot; balancer. The 67 and 68 302's were like the L79 balancers I believe. The 69's were one year style with the offset timing mark and the extended &quot;Y&quot; shape on the front of the balancer. Don't think service replacement balancers had the assembly line &quot;Y&quot; shape on the front.

Plowman
10-27-2013, 03:08 PM
So some 67 but all 68 were like the the L-79 harmonic balancer. Were the so called ce 302 were in early 68 the L-79 or the big 8&quot; harmonic balancer. Any help.

Salvatore
10-27-2013, 04:38 PM
1966 and 1967 L79 balancer's were like the 67-68 Z/28 balancer's. They look just like the 69 302 balancers but the 69's have the offset timing mark. The 1969 balancer also used a redesigned timing chain cover because of the offset timing mark. The width of a 69 302 assembly line balancer is about 1.75 inches just like the 67 and 68 balancers.

Plowman
10-27-2013, 07:25 PM
The 66,67,68,and 69's 302 balancer all look the same and are 8&quot; balancer. So the truck 350 and car 350 are all the same too. So the different cu. in. and the different crankshaft all took the same 8&quot; Harmonic Balancer{except the 400 sbc}.

Salvatore
10-27-2013, 08:07 PM
350/300 or 350/250 motors are different Paul. They are 8&quot; but much thinner than the L79's, 67-68 302's and the 69 302's. My 69 SS nova is not the same as my 69 Z/28. 8&quot; but thinner.

Plowman
10-28-2013, 01:32 AM
The balancer pictured in the first post is a 69 DZ 302 or not. Also only thick 8&quot; 302,327,and 350 balancers is for a large or small journal and 1968 302. Is a 67 a small journal crank and a 69 has a large journal crank, I would think the balancers would match the crank.

Salvatore
10-28-2013, 02:11 AM
first picture looks like a 283 or 327 balancer. 67 Z's were small journal cranks. Pretty much a 283 crank was used for the 67 Z/28's. 68's and 69's were large journal cranks but all Z/28's 67 thru 69 took the wide 8&quot; balancer. 1969 was the first year for the offset timing mark though.

67 Nova Boy
10-28-2013, 03:38 AM
So...who's on first?

Dave
67 Nova Boy

Plowman
10-28-2013, 04:57 AM
So you can use a small balancer...

Salvatore
10-28-2013, 11:15 AM
Gotta bolt the fan belt pulley to something.

Tracker1
10-28-2013, 11:32 AM
Previous owner of the engine changed to the smaller balancer for &quot;more revs&quot; apparently. <<GRAEMLIN_URL>>/dunno.gif

Crank Butt:

http://www.yenko.net/ubbthreads/pics/usergals/2013/10/full-3497-7276-crankbutt.jpg

Salvatore
10-28-2013, 11:37 AM
don't think so! maybe it is a 283 crank with bearing spacers? That is the correct &quot;V&quot; at the crank butt.