What is this car going to be. Im a Little woried about the 100 thousand bore. Thanks Ron Parker.
Jaggers Fabrication Slanted Attitude Dart
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| Engine Question https://www.slantsix.org/forum/viewtopic.php?t=23631 |
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| Author: | Nick Good [ Sun Jun 17, 2007 5:43 pm ] |
| Post subject: | Engine Question |
Hey there I am new to this forum. My name is Nick and i own a 1970 Dodge Dart Swinger SL6. I want to do some mods to it and just see what you guys think. If you think one of the mods isnt a good idea let me know I am new to all this so here goes........ 1. Headers 2. Demon 390 Carb 3. Roller Rockers 4. Head from clifford performance 6.bore 100 over 7. lighten the crank 8.supercharger like I say im just all new to this so if something doesnt make sense let me know. Nick |
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| Author: | Slanted Opinion [ Sun Jun 17, 2007 5:48 pm ] |
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Any build... any build at all, has to start with a goal and a use in mind. How fast do you want to go? And where do you want to drive it? Street? Strip? Daily driver? Highway? City? -Mac |
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| Author: | Ron Parker [ Sun Jun 17, 2007 5:58 pm ] |
| Post subject: | |
What is this car going to be. Im a Little woried about the 100 thousand bore. Thanks Ron Parker. Jaggers Fabrication Slanted Attitude Dart |
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| Author: | sandy in BC [ Sun Jun 17, 2007 5:59 pm ] |
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Get a head from Mike Jeffries. Bore the block 60 over. Dump the roller rockers and leave the supercharger till later. |
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| Author: | Charrlie_S [ Sun Jun 17, 2007 6:10 pm ] |
| Post subject: | Re: Engine Question |
Quote: Hey there I am new to this forum. My name is Nick and i own a 1970 Dodge Dart Swinger SL6. I want to do some mods to it and just see what you guys think. If you think one of the mods isnt a good idea let me know I am new to all this so here goes........
Need to know the intended purpose, first, but:1. Headers 2. Demon 390 Carb 3. Roller Rockers 4. Head from clifford performance 6.bore 100 over 7. lighten the crank 8.supercharger like I say im just all new to this so if something doesnt make sense let me know. Nick 3. no, not needed, for 99.9 % of the time. More trouble and expense then they are worth. 4. No, No, No. Get a head from someone that knows what they are doing, like Mike Jefferies |
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| Author: | dakight [ Sun Jun 17, 2007 6:20 pm ] |
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For what it's worth, I would start with the basic build. 100 thousandth is a really large overbore and you would need to very carefully check you block before doing it, .060 is much more likely to be satisfactory. Do thing is a planned sequence and see what you get from each step before sinking thousands into a build and possibly being disappointed. |
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| Author: | Nick Good [ Sun Jun 17, 2007 6:30 pm ] |
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well for the street I do not have much knowledge with what I am doing I will admit I dont want to sound like I know everything because I dont but I would intende on using it for street use. By the way how do i contact mike jeffries? |
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| Author: | SlantSixDan [ Sun Jun 17, 2007 6:38 pm ] |
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Right now, the main thing your "shopping list" is going to do is cost you a lot more money than you need to spend. As the others have mentioned, it's best to start from the start (specific goals for the car in terms of intended purpose, performance, economy, etc.) rather than from the end (particular parts). Stay away from Clifford. Driving on the street? then you don't need a 0.100" overbore. You don't need roller rockers. You don't need to lighten the crank. The Demon 390 carb might be workable for you but will cost a lot more than you need to spend and is probably bigger than you need. You'd also probably be happier with Dutra Duals rather than headers on the street. Take a few steps back and a few deep breaths...it's really easy to get all excited about a buildup featuring all the high-dollar, fancy special trick parts and the techniques that always get splashed across the covers of those stupid car magazines. The result of doing so instead of starting from a purposeful plan is usually expensive and disappointing; we just had a member here on the forum finish doing just such a buildup, over a year's worth of expense and effort, and now he's selling the engine 'cause it doesn't work the way he dreamed it would. We all told him that, he didn't listen and swore he was right and we were wrong, now he's taking a loss. Don't let the lesson escape you! |
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| Author: | Nick Good [ Sun Jun 17, 2007 6:59 pm ] |
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I will take your advice sir thanks for your input. |
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| Author: | Ron Parker [ Sun Jun 17, 2007 7:38 pm ] |
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Dans right just doint trow money in a project until you decide what you want . You can spend a lot of money and not get the projejt you want. So tell us your project and this is the site that can adivice you through knowledge and experence. Thanks Ron Parker Jaggers Fabrication Slanted Attitude Dart |
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| Author: | Doc [ Mon Jun 18, 2007 10:13 am ] |
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Does your 70 Dart Swinger have front and rear anti-sway bars, good shocks and tires? If the car is running OK, may-be you start with a good engine tune-up and do a little suspension up-grade to get better handling, that will make the car a lot more fun to drive for a lot less money. If you do want to build a performance engine, start looking around for a good rebuildable "core" engine. Find a 68-75 SL6 that you can start working on and build-up over time. Swap it in when the time is right but enjoy driving the car until that time comes. DD |
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| Author: | slantzilla [ Mon Jun 18, 2007 12:30 pm ] |
| Post subject: | Re: Engine Question |
Quote: Hey there I am new to this forum. My name is Nick and i own a 1970 Dodge Dart Swinger SL6. I want to do some mods to it and just see what you guys think. If you think one of the mods isnt a good idea let me know I am new to all this so here goes........
1. Good1. Headers 2. Demon 390 Carb 3. Roller Rockers 4. Head from clifford performance 6.bore 100 over 7. lighten the crank 8.supercharger like I say im just all new to this so if something doesnt make sense let me know. Nick 2. 390 Holley, Demons have way too many manufacturing "issues" 3. Call RAS for a set of rebuilt stockers. Way less money and rock solid reliability 4. Remove the name of Clifford Performance from your brain. Mike Jeffrey 308/324-3576. Call between 8-10 CST 5. ?  6. I wouldn't be a bit scared of a +.100" motor for a race car, little leary of it for a driver 7. Waste of money and time 8. This would be a last addition. I prefer nitrous, but I'm a little weird anyway. Welcome to the board! Where you at?
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| Author: | slantfin [ Mon Jun 18, 2007 1:51 pm ] |
| Post subject: | best wishes |
For an in depth look at what not to do, read the "Pics of Eileen" thread- alluded to by Dan above. You might be interested in the 'Erson group cam buy' thread. Many think the /6 can use a little more than stock cam, esp. with better intake and exhaust flow. |
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| Author: | Shaker223 [ Mon Jun 18, 2007 2:20 pm ] |
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What kinda flow #s does Mike J get? I assume this would be a big valve full port, comp valve grind...etc. |
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| Author: | Charrlie_S [ Mon Jun 18, 2007 5:25 pm ] |
| Post subject: | Re: Engine Question |
Quote:
3. Call RAS for a set of rebuilt stockers. Way less money and rock solid reliability
Another option is NOS rockers from E-Bay
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