 disaster strikes?, valves too tight? |
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| mattp |
 Jul 3 2008, 09:34 PM
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Member  Group: Members Posts: 257 Joined: 22-November 06 From: westchester NY Member No.: 7,252  |
I did my initial start up of my new raby engine, two of the cylinders had valves that were too tight causeing blow back throught the carbs. Adjusted valves and cant seem to make them any looser? any ideas?
also major oil leak from somewhere where engine meets transmission, thinking rear main seal?? |
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| Jake Raby |
Jul 5 2008, 11:39 AM
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Engine Surgeon Group: Members Posts: 9,398 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
When Matt and I talked yesterday I asked him all those questions.. He stated no...
For him to have no adjustment, the only thing that could have occurred was the pushrods not being seated fully into the lifters. Even with a rocker shim left out we allow enough adjustment to still have some "room" for adjustment. Matt was going to get back with me after he verified the pushrods were straight and after he got leak down numbers. My bet is he collided pistons into valves and coil bound the valve springs... If so it'll only be the second time that someone has made that mistake. Good thing we are shooting the assembly video net week, I can go over this in detail to keep it from happening for a 3rd time. |
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Posts in this topic
mattp disaster strikes? Jul 3 2008, 09:34 PM
LowGT
I did my initial start up of my new raby engine, ... Jul 3 2008, 09:59 PM Borderline Who did the valve train setup and how were the pus... Jul 3 2008, 10:14 PM mattp I had Raby do the pushrods before sending kit. I u... Jul 4 2008, 08:25 AM HAM Inc Just to expand on what Bill said - When the #1 ex ... Jul 4 2008, 08:35 AM Jake Raby Matt's rocker geometry was completed by us dur... Jul 4 2008, 10:35 AM mattp I cant turn the adjuster any further. I backed it ... Jul 4 2008, 12:11 PM SGB Argghh. I feel your pain, bro. Dunno with the se... Jul 4 2008, 02:25 PM justme Like Jake said,
Try pulling the rockers and che... Jul 5 2008, 09:38 AM Jake Raby He didn't need a trial assembly... We did that... Jul 5 2008, 10:54 AM Borderline Were any shims left out? Cylinder or rocker shaft... Jul 5 2008, 11:02 AM
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