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| 270 hp build https://slantsix.org/forum/viewtopic.php?t=42483 |
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| Author: | TurboNick [ Wed Nov 03, 2010 1:08 pm ] |
| Post subject: | 270 hp build |
Anyone have any 270 hp builds? |
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| Author: | 66aCUDA [ Thu Nov 04, 2010 8:16 am ] |
| Post subject: | |
Nick why 270? there are some 300 and some 250. And a lot of unknowns. Frank |
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| Author: | TurboNick [ Thu Nov 04, 2010 10:11 am ] |
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i dunno your right lol i just want to aim for 270. |
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| Author: | Polara1974 [ Thu Nov 04, 2010 11:32 am ] |
| Post subject: | |
Do you get 300HP from normally aspirated Slants? Were can i check the basic fundations for this buildups? I Assume that this engines use high CR, Am I right? |
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| Author: | TurboNick [ Thu Nov 04, 2010 11:47 am ] |
| Post subject: | |
I know its possible to get 300 but its not streetable. I would love to just be able to run somewhere in the 12s. I think cam and added compression help alot as so does headwork. I wonder if anyone has gotten their crankshafts lightened? |
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| Author: | Joshie225 [ Thu Nov 04, 2010 11:59 am ] |
| Post subject: | |
High compression ratios and long cam durations are needed to get much over 200hp. To run 12s in a normally aspirated full-weight street car is not a trivial task. Very good cylinder head work is a must. You can't neglect the chassis either. You must put the power to the ground effectively to run the numbers. For a light crank start with a late model cast crank engine. Go through the Engine FAQ. The engine build matrix should be informative. http://www.slantsix.org/forum/viewtopic.php?t=23314 |
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| Author: | 66aCUDA [ Sun Nov 07, 2010 6:00 am ] |
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Hey Nick So tell us about your plans. Then we can help fine tune things from there. What vehicle? What is the purpose? What is the budget? Etc. Frank |
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| Author: | robert west [ Sun Nov 07, 2010 1:45 pm ] |
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chassis set-up and power to weight ratio is the big part to running times like that.don't know the car you have but if budget is there fiberglass parts, light weight race seats,if using leafs super stocks,drags shocks front and rear,poly race fuel cell.using stuff like this I brought my duster down to 2600 lbs. and is still drivable.by bring the weight down it is also easier on the drivetrain. |
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| Author: | TurboNick [ Tue Nov 09, 2010 12:58 pm ] |
| Post subject: | |
I just want a fast 225. I know it will not be streetable but im sure driving right down the street to my local car shows I would be fine. I have a 70 dart swinger |
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| Author: | Rick Covalt [ Tue Nov 09, 2010 3:23 pm ] |
| Post subject: | 320 Hp? |
Mopar Muscle Magazine did an article on Romeo Furio's Slant 6 build up.It is still on their site with all the details. It got 300HP with Carb and 320 with fuel injection. I don't know if he ever ran it in a car, but I'm sure he can chime in and tell us. High compression and big cam are the order of the day. 300HP normally aspirated is a lot of horspower for our lowly slant. Remember the old saying, "Speed cost money;how fast do you want to go" Rick |
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| Author: | TurboNick [ Wed Nov 10, 2010 12:57 pm ] |
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Yeah hey thanks for the article link I read the whole thing. Pretty wild. Yeah I dont care about money Im not working on a budget. Im assuming a roller cam would help me get close. |
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| Author: | Dart270 [ Thu Nov 11, 2010 5:45 am ] |
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If you really have money to spend, the 1st thing to get is a great cylinder head. Call Mike Jeffrey in Nebraska (308-324-3576) and tell him you want a max effort head. With that head and the right parts combo, you can make 270+HP NA. All other power parts will be secondary to this. He can get it done. Lou |
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| Author: | madmax/6 [ Thu Nov 11, 2010 2:27 pm ] |
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Jeffries head and cam choice, K1 rods, Wiseco .104 oversize pistons, 600 Holley, external oil pump and electric water pump and I am right at 280 rwhp. Guzzi Mark |
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| Author: | Aggressive Ted [ Thu Nov 11, 2010 3:37 pm ] |
| Post subject: | |
Mark, What is the weight of your car now? and what is your best time in the quarter mile? |
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| Author: | madmax/6 [ Thu Nov 11, 2010 6:01 pm ] |
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Car with driver is 2355lbs.I went 11.50 at 115 mph at the hot rod reunion in Bakersfield.Mark |
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