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Getting the Project Car Bug Again
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<blockquote data-quote="swampratt" data-source="post: 3535311" data-attributes="member: 15054"><p>Retangular port heads with 2.19-1.88 valves on that 396" and 12:1 compression in a 2400 lb Car would be hard </p><p>pressed to not run quick.</p><p>We are not talking stock weight chevelle.</p><p>There was not much you could not do to the engines then but a cam and dual 4's does wonders.</p><p>A rectangular port head will not be any kind of restriction on a 396" engine even in non ported form.</p><p></p><p>If we use the Wallace calculator it shows minimal HP to get it done at 2400 lbs.</p><p><a href="http://www.wallaceracing.com/et-hp-mph.php" target="_blank">http://www.wallaceracing.com/et-hp-mph.php</a></p><p></p><p>My 78 Nova with a 350" at 2980 race weight would run 11.49 it was just a tick quicker than my V65 magna at 11.51 ET.</p><p>Takes only 400 HP to get that. Tiny solid flat tappet .475" lift after lashing it.</p><p></p><p>You can run mid 10's at 2400 lbs with 400 HP.</p><p></p><p>I am not doubting you and your logic as it does seem quick.</p><p>Super gas class cars are not your street car.</p><p></p><p>Rules today for that class.</p><p><span style="font-size: 18px"><strong>Super Gas</strong></span></p><p>Super Gas entries, which run on a 9.90 index, are primarily full-bodied cars and street roadsters. No dragsters or altereds are permitted. Rules regarding engine and chassis modifications are extremely liberal, though the use of exotic fuels is prohibited. The minimum weight is 2,100 pounds except for four-cylinder-powered cars, which may have a minimum weight of 1,200 pounds. As in Super Comp, competitors use electronic timers and throttle stops to run as close to the class standard without going under. Also as in Super Comp, races are staged using a four-tenths Pro start.</p><p></p><p>Notice the electronics mentioned to keep from running quicker.</p><p>I think back decades ago they used brakes at the top end of the track to keep from breaking out of the index.</p><p><img src="/images/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p><p></p><p>I say 2400 lbs because I think that was what the early rules were set at.</p><p>James told me the car was light, WAY light. I may be wrong on the 2400 </p><p></p><p>I could never get a 4 speed to hold together in a heavy street car.</p><p>I have no idea how many he busted if any.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3535311, member: 15054"] Retangular port heads with 2.19-1.88 valves on that 396" and 12:1 compression in a 2400 lb Car would be hard pressed to not run quick. We are not talking stock weight chevelle. There was not much you could not do to the engines then but a cam and dual 4's does wonders. A rectangular port head will not be any kind of restriction on a 396" engine even in non ported form. If we use the Wallace calculator it shows minimal HP to get it done at 2400 lbs. [URL]http://www.wallaceracing.com/et-hp-mph.php[/URL] My 78 Nova with a 350" at 2980 race weight would run 11.49 it was just a tick quicker than my V65 magna at 11.51 ET. Takes only 400 HP to get that. Tiny solid flat tappet .475" lift after lashing it. You can run mid 10's at 2400 lbs with 400 HP. I am not doubting you and your logic as it does seem quick. Super gas class cars are not your street car. Rules today for that class. [SIZE=5][B]Super Gas[/B][/SIZE] Super Gas entries, which run on a 9.90 index, are primarily full-bodied cars and street roadsters. No dragsters or altereds are permitted. Rules regarding engine and chassis modifications are extremely liberal, though the use of exotic fuels is prohibited. The minimum weight is 2,100 pounds except for four-cylinder-powered cars, which may have a minimum weight of 1,200 pounds. As in Super Comp, competitors use electronic timers and throttle stops to run as close to the class standard without going under. Also as in Super Comp, races are staged using a four-tenths Pro start. Notice the electronics mentioned to keep from running quicker. I think back decades ago they used brakes at the top end of the track to keep from breaking out of the index. :) I say 2400 lbs because I think that was what the early rules were set at. James told me the car was light, WAY light. I may be wrong on the 2400 I could never get a 4 speed to hold together in a heavy street car. I have no idea how many he busted if any. [/QUOTE]
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