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Old 08-14-2008, 03:46 PM
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383 stroker v.s. 383 chrysler ...the end

whats goin on guys i honestly can put to rest this 383 v.s. 383 stroker argument, i build engines ... well whole cars here in oklahoma, engines are my thing though. i have a 383 stroker chebie and a mopar 383 i built just for this arguement. ill start with the chebie 3.75 stroke 4.030 bore with speed pro powerforged pistons(10.00:1 comp) 4340 h-beam rods dart 210 cc heads 64cc chambers (cast iron) with 2.05 1.60 stainless valves edlebrock torker 2 intake and a demon 850 mech. carb the cams are identical had a machinest make em they are a dual patten 286 .486 intake side, 292 .486 exhaust side( at the valve with 1.5 roller rockers, msd 6al and pro billet distributors on both they are both ballanced and are solid lifter, the only diff is the mopar is 9.85:1 comp and the intake valve on the mopar is 2.08.

the fun part the chebie is in a 78 camaro with a 3500 stall and turbo 350 with spool and 3.55, the mopar is in a 73 charger with a 727 and 3500 stall 3.55
gears both leave on the brake at 3000 rpm and both have 28.0 15 11.5 slicks
drum role please the charger wins by 1/2 to 1 full car legnth 5 out of 5 races 13.70 to a 13.90 average
oh and ps the camaro is 3100 lbs the charger is 3750 lololololololol

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Old 08-14-2008, 07:27 PM
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Give the chevy a Victor Jr. A 750 demon, a 195cc set of heads and equal rod lenth of the mopar then rerun them, it would be very close race then.
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Old 08-14-2008, 07:51 PM
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I've seen this argument again and again. I'm glad to see someone actually put it to the test. Good job mcharger440!

(I was rooting for the MOPAR the whole time.)
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Old 08-14-2008, 11:55 PM
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nice test there man! good to read about someone actually doing a real test of the matter instead of arguing over the internet over it...
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Old 08-15-2008, 12:15 AM
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Quote:
Originally Posted by DoubleVision
Give the chevy a Victor Jr. A 750 demon, a 195cc set of heads and equal rod lenth of the mopar then rerun them, it would be very close race then.
On the other hand we could put both engines in 3100 pound cars.
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Old 08-15-2008, 04:47 AM
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Its a never ending battle. As for me I'll take either one or a Ford 390,Amc 390,Poncho or Olds 400 and be extremely happy to build some American muscle.
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Old 08-15-2008, 06:23 AM
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im just happy

im glad it went well didnt brake anything or have any mishaps but i will have to agree with the last 383 conversation i dont remember who said it but it is apples to oranges 4.25 bore v.s. 4.03 you just get more surface to make power and we are talking about a big v.s. small block brand spec. or not big is usualy going to prevail ... i think if anyone wants to lets redo this ...chevy 427 v.s. chrysler 400 thats a good one
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Old 08-15-2008, 06:55 AM
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Quote:
Originally Posted by mcharger440
whats goin on guys i honestly can put to rest this 383 v.s. 383 stroker argument,

the fun part the chebie is in a 78 camaro with a 3500 stall and turbo 350 with spool and 3.55, the mopar is in a 73 charger with a 727 and 3500 stall 3.55
gears both leave on the brake at 3000 rpm and both have 28.0 15 11.5 slicks
drum role please the charger wins by 1/2 to 1 full car legnth 5 out of 5 races 13.70 to a 13.90 average
oh and ps the camaro is 3100 lbs the charger is 3750 lololololololol
I can answer this one the Chevy is a small block and the other is a big block, according to some. But one pair of cars and a few runs, although useful info. Really can not be considered the final answer, I am thinking.

One thing I see is that the Chevy drivers are not afraid to drive their cars, while on the other hand the other brand tells all of us how powerful the iron is but are to afraid to drive cause they break all the time and cost a lot to repair and cry about it, so who IS having the most fun here???
If not obvious it is the Chevy crowd, by the way.
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Old 08-15-2008, 07:07 AM
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Correct me if I am wrong but didn't Mopar make 2 versions of the 383?Why don't you try it with the Mopar 383 with the same bore and stroke as the Chevy?Comparing 2 383 engines with different bore and stroke is not comparing apples to apples,IMHO.
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Old 08-15-2008, 07:10 AM
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knock knock

Quote:
Originally Posted by pepi
I can answer this one the Chevy is a small block and the other is a big block, according to some. But one pair of cars and a few runs, although useful info. Really can not be considered the final answer, I am thinking.

One thing I see is that the Chevy drivers are not afraid to drive their cars, while on the other hand the other brand tells all of us how powerful the iron is but are to afraid to drive cause they break all the time and cost a lot to repair and cry about it, so who IS having the most fun here???
If not obvious it is the Chevy crowd, by the way.
first did you not read my last post where is stated this is not a fair trial if you didnt thats fine but dont post and tell me i am wrong
second i drive the sh** out of my mopars and have alot of fun and also keep in mind a well restored mopar is worth alot of money nothing against chevy but on the whole restored mopars are worht more than restored chevys ... but this is a whole other conversation you all asked which is better i tested i posted thats all ......read before you leap thanks
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Old 08-15-2008, 07:13 AM
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I think you did a good job and the weight diff probably offsets the bore diff. Still I would like to see a real apples to apples comparison.
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Old 08-15-2008, 07:19 AM
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me to

like i said 427 chevi v.s. 400 chry
i dont have eather but i think it to be alot closer race
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Old 08-15-2008, 09:48 AM
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lol in the end the engines will be so identical the times will be the same!
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Old 08-15-2008, 11:01 AM
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Quote:
Originally Posted by mcharger440
whats goin on guys i honestly can put to rest this 383 v.s. 383 stroker argument, i build engines ... well whole cars here in oklahoma, engines are my thing though. i have a 383 stroker chebie and a mopar 383 i built just for this arguement. ill start with the chebie 3.75 stroke 4.030 bore with speed pro powerforged pistons(10.00:1 comp) 4340 h-beam rods dart 210 cc heads 64cc chambers (cast iron) with 2.05 1.60 stainless valves edlebrock torker 2 intake and a demon 850 mech. carb the cams are identical had a machinest make em they are a dual patten 286 .486 intake side, 292 .486 exhaust side( at the valve with 1.5 roller rockers, msd 6al and pro billet distributors on both they are both ballanced and are solid lifter, the only diff is the mopar is 9.85:1 comp and the intake valve on the mopar is 2.08.

the fun part the chebie is in a 78 camaro with a 3500 stall and turbo 350 with spool and 3.55, the mopar is in a 73 charger with a 727 and 3500 stall 3.55
gears both leave on the brake at 3000 rpm and both have 28.0 15 11.5 slicks
drum role please the charger wins by 1/2 to 1 full car legnth 5 out of 5 races 13.70 to a 13.90 average
oh and ps the camaro is 3100 lbs the charger is 3750 lololololololol
This is an apples to oranges comparison. A canard in the disguise of facts, why? because any engine/car builder that knows what they are doing knows that you build the car to the engine's characteristics. Two seemingly identical cars (weight excepted) are really not identical in that the solutions of converter slip, trans and gear ratios, chassis reactions. tire size, location and compound, etc., etc. are not identical solutions between a Camaro and a Charger. Simply put the solution for one isn't the solution for the other.

In the real world there probably isn't any apples to apples comparison that makes sense. When you build a race car, you've only accomplished the first of about 10 steps it takes to make the car competitive. I've seen so many racers over the years that just don't understand this, if it isn't as fast as they imagined on the first try, they want to throw it away and start over. Where in reality a winning car is one you get into bed with and do the other 90 percent of the effort to learn what it wants. Women know this instinctively, which is why your wife views performance cars, motorcycles, boats, airplanes as the "other woman".

Bogie
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Old 08-15-2008, 11:23 AM
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ok well...

ok well since we are just goung to tread water and we all want to bring other variables into account lets just do what all the importers do "my car runs 10.50 ...well mine runs 10.20" why is yours faster you ask well i have an acura and we all know that they are faster than hondas. duh i agree the test could be off but there is no deffinants out there if i made the exact same car twice you would all say " well that one is a high nickel block" or "the air temprature was wrong" or some other b.s. correct me when you go to the extent that i did untill then ta ta
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