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Mike DC (formerly miked)
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« Reply #20 on: April 04, 2007, 04:22:39 AM » |
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Yes sir, you are correct. It's just that in an A-Body, I do like to turn the wheels and actually have the car respond once in a while. Yeah, I hear ya on the weight issue! The BB motors are a handling drawback in a decent optioned B-body, let alone what they do to the smaller cars. You can put stiff torsion bars in the front end but it's a band-aid. That's why I REALLY wish there were some reasonably-priced streetable aluminum cylinder blocks for Mopars. With a BB setup you could probably get 500+ cubic inches for 500 pounds. An alloy SB motor would probably do 400+ inches for 400 pounds. |
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Challenger340
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« Reply #21 on: April 09, 2007, 04:52:08 PM » |
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Still trying to get back on the 408, pics & details to follow, need another week, too damn busy !
Will get ya some details on the whole combo too.
Apologies, Bob out.
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Challenger340
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« Reply #22 on: April 12, 2007, 06:27:03 PM » |
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In the meantime, here's the 408 block prepped with a main girdle. Wasn't my idea for the girdle, but, the customer had it already, so "what the heck". NOTE; you gotta line hone the block to fity this girdle, as it crushs/distorts the caps real hard.  [/img] "pump gas" Piston & Rod combo, normally not a Flat-top, but I open and do alot of chamber work, to offset and stay @ 10.5:1  [/img] |
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Only wimps wear Bowties !
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69Chrgr
Junior Member
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Posts: 174
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« Reply #23 on: April 13, 2007, 08:00:18 AM » |
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What's your plans for the Magnum on the left? Is that the one you're stroking or is it the LA? I'm doing a Magnum 408, a former crate motor. Love the girdle.
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Challenger340
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« Reply #24 on: April 15, 2007, 09:46:10 AM » |
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The block on the left is a regular old 360 Block LA, it is a "new build", for pump gas with EDDY heads, that will come in around the 525 H.P. mark.
The block on the right is a R3 race block, an "old build", using INDY heads, currently just in for re-freshening.
Apologies for any confusion.
Bob out.
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Only wimps wear Bowties !
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2Gunz
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« Reply #25 on: April 17, 2007, 05:24:06 AM » |
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Im not any sort of engine expert..... but....
Why not Turbo or supercharge the engine?
It should get better gas mileage, live longer, and be alot better on the street.
And it would prolly be cheaper to build.
The turbo or charger cost is high.
But exotic head work, cam, heads, and tuneups wont come cheap either.
And besides, a crazy turbo setup looks killer!
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idahogrumpy
Junior Member
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Posts: 77
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« Reply #26 on: May 05, 2007, 11:33:11 PM » |
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Challenger340, How are ya doing on that 408 dyno test?  I know you are busy but I would really like to see what you came up with. Kyle  |
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Too much to say
Too much to do
Too tired to get it done
Too stubborn to give up
GRUMPY
Modified 73 440 4 speed Charger, 03 Intrepid SXT, 81 Ram Charger, and an 02 Neon.
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Challenger340
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« Reply #27 on: May 06, 2007, 09:11:10 AM » |
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It's all done and ready Kyle, Apologies on the timeframe, I know you're interested, but it's sitting "in line" for the dyno. Probably somewhere around the end of next week I hope.
It's "that time" of year again, up here in "canaduh".
I don't own the dyno, it's a friends who runs an independant testing facility down the road from me, he dyno's for alot of Nascar, Sprint, & drag teams as well.
Usually, we get preference for dyno time, but, this time of year, I have "no time" to even be present or use the dyno ourselves.
We just drop them off, pick them up when he's finished on the dyno. We have 3 sitting there now.
Stay tuned, I'll post the results as soon as I have them, but really, the lower H.P. street deals can get "bumped" from dyno time when "teams" are pressed right now.
In the meantime, I'll get the specs and some photos up tonight on the combo.
Might be kind of fun to "pick it apart" or guess at what it'll do prior to the dyno'ing.
Once again, we changed some stuff up a bit, to see where it goes. New Cam profile being tested again !
Bob out.
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69Chrgr
Junior Member
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Posts: 174
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« Reply #28 on: May 17, 2007, 10:46:23 AM » |
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Well.......?
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Challenger340
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« Reply #29 on: June 12, 2007, 05:05:46 PM » |
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Apologies for the timeframe, STUPID busy ! Poor little thing got bumped & bumped & bumped, but finally.
Anyway, the results are in, 521 peak horsepower/ 520 ft/lbs Torque.
Final backup & safety tune comes in @ 517 H.P. & 515 Torque ?
We always back 'em down a bit before finishing.
I forget again already !
Will get the sheets scanned and up here shortly. Nice little small block, pump fuel, eddy heads
Again, sorry for the suspense.
Bob out.
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Challenger340
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« Reply #30 on: June 13, 2007, 12:57:20 PM » |
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The final result as per our dyno testing. No surprise here for anybody who knows me. I like TORQUE, especially when it comes to "street type pump gas" engines. I really don't get to overly concerned with the horsepower thing, for the street stuff, because the rpm required as a function of Horsepower, is usually, the MOST destructive force on the stock blocks, as this one is. TORQUE is KING on the street, even with smallblocks, especially with our older BIG HEAVY cars Run it 6,000 rpm, and call it GOOD ! 408 " stroker Stock 360 la block EDDY heads Forged 4" Crank I- beam Rods Forged Pistons Main studs Adjustable rockers "Comp. Cams" Flat-Tappet Solid Cam Dual Plane Intake Holley carb  [/img] |
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Only wimps wear Bowties !
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Lostsheep
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« Reply #31 on: July 13, 2007, 09:00:43 PM » |
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Those numbers are nice, good job.  |
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Challenger340
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« Reply #32 on: July 14, 2007, 10:35:01 AM » |
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Thanks, that one worked fairly good.
Bob out.
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Only wimps wear Bowties !
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