3 "C"s and 2 "H"s will do it (and may-be some N2O for good measure)
Cam
Carb.
Compression
+
Headers
Head Porting Work
Oh... & 2 "D"s
DD
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| making a 13 and under second slant 6 challenger? https://slantsix.org/forum/viewtopic.php?t=45463 |
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| Author: | Walbey71 [ Wed Jun 29, 2011 10:07 am ] |
| Post subject: | making a 13 and under second slant 6 challenger? |
just got one couple weeks ago just a /6 1 barrel holley. if i wanna build a 13 and under car what would i need to buy and do. im kinda new to cars but im a hydraulic mech for the air force so i got into it and am still learning. help ideas? |
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| Author: | Doc [ Wed Jun 29, 2011 10:43 am ] |
| Post subject: | |
3 "C"s and 2 "H"s will do it (and may-be some N2O for good measure) Cam Carb. Compression + Headers Head Porting Work Oh... & 2 "D"s DD |
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| Author: | Rick Covalt [ Wed Jun 29, 2011 1:40 pm ] |
| Post subject: | Another rear |
Is it a manual? or an automatic? Either way you will need a pretty steep gear to get near the 13's in your car. 4.10's or 4.30's maybe 4.56's Is this car lightened any? Is it a street car? Race car? Tell us more.  Rick |
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| Author: | Rug_Trucker [ Wed Jun 29, 2011 6:13 pm ] |
| Post subject: | |
Lots of C notes! An 80's Dodge Challenger would be neat! (and lighter) The Mitsubishi Challey's were cool. How much does an Ebody weigh with a slant? I have a friend with a ratty FM3 198 powered Barracuda. |
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| Author: | Walbey71 [ Wed Jun 29, 2011 8:05 pm ] |
| Post subject: | |
its auto slap stick, i would like it to eventually be manual anyways. and as of now its my daily driver and hasnt been lightened. its got some repop stuff but for the most part its all origonal stuff. even got the special edition front chrome trim. sorry again if i'm a noob but alot of things youll have to explain to me since im still learning alot about what things do and how to do them. |
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| Author: | Walbey71 [ Wed Jun 29, 2011 8:54 pm ] |
| Post subject: | |
actually after having read some more i really just wanna make this a fast street car. maybe not a 13 second car lol. not ready for the drag strip just yet. |
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| Author: | Nongan [ Wed Jun 29, 2011 9:24 pm ] |
| Post subject: | |
Do a port and polish job and do oversized valves for a good flowing head. Then do the supersix upgrade (2 barrel carb). And a mild cam and that should get you going down the street quick enough. You could also bump the compression up a little while the head is off. Also do 3.55 gears so it's streetable still but have acceleration. And put an 8 3/4 rear in it, posi if you can. My .02 cents Seth |
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| Author: | Walbey71 [ Wed Jun 29, 2011 9:50 pm ] |
| Post subject: | |
port and polish can you go into further details about what that means. |
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| Author: | Brussell [ Thu Jun 30, 2011 1:10 am ] |
| Post subject: | |
Youtube it. but simply you make the inlet and outlet part of the head bigger and smoother usually takes hours and hours. one of the more delicate jobs to do you and can't undo what you've done. It increases flow and the amount that can flow in. I think the term is gasket match so that when the manifolds join to the head from a fuel air perspective you can't tell where the join is because it's a seamless transition. |
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| Author: | Charrlie_S [ Thu Jun 30, 2011 5:26 am ] |
| Post subject: | |
Quote: port and polish can you go into further details about what that means.
If you don't know what it means, I would suggest you don't do it, yourself. The best "bang for the buck" on a slant six, is to increase the compression ratio. As long as you don't go too far, there is no down side. I would suggest about 9-1 to 9.5-1. Do some more reading on the site, and you will find out what this is all about. While the head is off for milling to increase the compression ratio, and you want to spend the money, you can have oversize valves installed (valve job recommended anyway), the machine shop can blend the valve pockets. I would forgo polishing the ports, except on a race motor. Cam is good, but don't go too wild on a street car. Super six (mopar 2 barrel manifold and carb) is good, but the prices I see for them, are getting a pretty high. So I would consider a used Offie manifold and a small 4 bbl carb. |
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| Author: | Dart270 [ Thu Jun 30, 2011 6:26 am ] |
| Post subject: | |
If you want a cylinder head done right for a fair price, call Mike Jeffrey and tell him what you want to do. 308-324-3576, in Lexington, NE. His heads will range from about $1000 - 1800 all done, depending on your goals and budget. You will not find a local person who can make a head flow this well (one of the best HP bangs for buck) for near this price. It sounds expensive, but you will waste way more money on superfluous crap that will not make your car nearly as fast. He can adjust your compression with head milling, along with your other engine specs. Sounds like fun! Lou |
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