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power from windsor jr's
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<blockquote data-quote="bullypits01" data-source="post: 10168616" data-attributes="member: 111460"><p>I run the 280h in my 306 w afr 185s, rpm intake, 575 mighty demon, 1.7s, 1 5/8" n 3" collectors. I haven't dynoed it yet but it pulls hard and my machinists says the 280h cam should like nitrous alot w the spec sheet on it. He says the 1.7s take the .512 total lifts to like a .546 or .547. He says they increase duration as well but he says its hard to say exactly how much w/out putting calipers on it.</p><p></p><p>Remember to check rocker to valve geometry. I used pro magnum 1.7s and I had to turn the trunnion around for the valve geometry to line up. No one really told me about the trunnion and I can vouch after 8 or 9 valve guides and valves and a piston replacement.:cuss: :fm: :mj: :xpl: Your valve geometry is very important. I kno this is a lil of the subject but wanted to warn ya if you decided to go w bigger rockers.:beer:</p><p></p><p>To the real subject at hand anyway. I've got a friend w a 306 w windsor jr's or sr's, vic jr. intake, proform 650, anderson stage 2 nitrous cam, and 1 5/8" n 3" collectors. His runs like 7.8s or 7.9s in 8th and 6.40s w a 125 and 6.29 w 150 shot. He port matched his to the gaskets. Maybe this is a lil helpful for ya.</p><p></p><p>We both have C4 auto fox bodies that wiegh round 3000. He has 3.73s and I have 4.10s. I just haven't a way to get to the track w/o driving there or I'd have some #'s for ya. Car isn't reliable enough or really gained enough trust to b a daily just yet. Still having electrical problems and a money problem at the moment.</p></blockquote><p></p>
[QUOTE="bullypits01, post: 10168616, member: 111460"] I run the 280h in my 306 w afr 185s, rpm intake, 575 mighty demon, 1.7s, 1 5/8" n 3" collectors. I haven't dynoed it yet but it pulls hard and my machinists says the 280h cam should like nitrous alot w the spec sheet on it. He says the 1.7s take the .512 total lifts to like a .546 or .547. He says they increase duration as well but he says its hard to say exactly how much w/out putting calipers on it. Remember to check rocker to valve geometry. I used pro magnum 1.7s and I had to turn the trunnion around for the valve geometry to line up. No one really told me about the trunnion and I can vouch after 8 or 9 valve guides and valves and a piston replacement.:cuss: :fm: :mj: :xpl: Your valve geometry is very important. I kno this is a lil of the subject but wanted to warn ya if you decided to go w bigger rockers.:beer: To the real subject at hand anyway. I've got a friend w a 306 w windsor jr's or sr's, vic jr. intake, proform 650, anderson stage 2 nitrous cam, and 1 5/8" n 3" collectors. His runs like 7.8s or 7.9s in 8th and 6.40s w a 125 and 6.29 w 150 shot. He port matched his to the gaskets. Maybe this is a lil helpful for ya. We both have C4 auto fox bodies that wiegh round 3000. He has 3.73s and I have 4.10s. I just haven't a way to get to the track w/o driving there or I'd have some #'s for ya. Car isn't reliable enough or really gained enough trust to b a daily just yet. Still having electrical problems and a money problem at the moment. [/QUOTE]
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