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Old 01-05-2017, 12:44 AM   #143
'63GENIII
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Join Date: Sep 2008
Location: San Carlos, Ca.
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Re: L29 454 Build for '63 K15 with NV4500

Quote:
Originally Posted by 95 S_Trucker View Post
I don't have any advice about the misfire. But you can leave the upper intake manifold installed, and remove the throttle body. That will give you enough room to get the passenger side valve cover off. Its a lot easier than pulling the upper intake.
I actually have this engine stuffed in so tight that the firewall interferes with the VC coming off. I really thought long and hard about either pulling the motor mounts or possibly the engine out. As it was, I had to get the #8 exhaust valve to the open position to allow the VC to come off with the upper plenum off as well.
Little oversight on my part there. Should have moved the engine forward an inch.

The 396 VCs came of with less effort but not easily at all.


Quote:
Originally Posted by MTCK View Post
X2 on leaving the plenum on and removing the TB. What are you running for rockers and studs? Stock non adjustable stuff or something else? Do you hear anything resembling an exhaust leak any other time? I haven't had any coffee yet so let me think about this a little bit...
Its got Comp steel roller tips which aren't much bigger if at all than the stock non adjustable ones. I still may have an exhaust leak. Haven't been able to really check it out good though. If it did have a leak, wouldn't it have had the backfire before the valve adjustment and timing changes? Hope I can get into it a little this weekend and figure it out.

How that cold front working for ya Marcus? Hope its warming up quicker these days!
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Chris


'63 k15 long step
Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205
52" front and 63" rear spring swap
D44 / 14bff - disc axles
Milemarker 9K and 10.5K hydraulic winches

63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread


NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build

L29 - 7.4 Vortec Build http://67-72chevytrucks.com/vboard/s...&highlight=L29
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