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I wouldn't worry about it TOO much. I've run 26986s on 3500 heads with more lift than that and have never had any issues. I use locktite when I install the rockers though.
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'89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
'86 Fiero, 3500, 4-speed -
Youve been running your build a good year now, havent you?Originally posted by caffeine View PostTook a break from working on the car. Got some better tools, got a better shop, got a better job... Its time to burn metal!Comment
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I ran it from April till October, when the head gaskets blew
. Put about 15,000 kms on it so that's a good bit of use.
'89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
'86 Fiero, 3500, 4-speedComment
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See... no worries!Took a break from working on the car. Got some better tools, got a better shop, got a better job... Its time to burn metal!Comment
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I've had 26986's and my cam since 08... Same set of heads it's been apart a few times but it's got a good amount of miles on it... It's been to Niagara Falls, Indianapolis, Chicago, Charlotte, Michigan, and Denver...
Got Lope?
3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBSComment
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I am running .570 lift and the pac springs and bounce it off 7000 rpm, so far no problems but my heads have the 10 mm studs.Comment
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