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360/380 Crate ET's #2319832 06/12/17 12:57 PM 06/12/17 12:57 PM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat OP master
Triple Threat OP master T Joined: Jan 2003 Posts: 6,266 Renton Washington	What should a guy expect out of a 360/380 crate engine in your standard race prepped A body? 3300# 68 Barracuda Low gear 904 4400 Ultimate converter 4.30's in a 8 3/4 28x9 Radial slick 11.80? 12.20? -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: 360/380 Crate ET's [Re: Triple Threat] #2319911 06/12/17 02:42 PM 06/12/17 02:42 PM
Joined: Mar 2005 Posts: 792 Earth R Rob C super stock
Rob C super stock R Joined: Mar 2005 Posts: 792 Earth	A well sorted ride? 11:80's on the right day.

Re: 360/380 Crate ET's [Re: Triple Threat] #2320231 06/12/17 10:59 PM 06/12/17 10:59 PM
Joined: Oct 2008 Posts: 1,176 East Coast A A/MP super stock
A/MP super stock A Joined: Oct 2008 Posts: 1,176 East Coast	That can go 10.90 if prepped right. Sloane from SC builds those motors for CM class. Can go 10.70 if you push it.Those #'s for about the same weight +/- 100 lbs. You would need more gear too.

Re: 360/380 Crate ET's [Re: Triple Threat] #2320362 06/13/17 05:34 AM 06/13/17 05:34 AM
Joined: Jan 2005 Posts: 4,862 the frozen wastes... Pale_Roader Swears too much
Pale_Roader Swears too much Joined: Jan 2005 Posts: 4,862 the frozen wastes...	Why so heavy?

Re: 360/380 Crate ET's [Re: Triple Threat] #2320456 06/13/17 10:55 AM 06/13/17 10:55 AM
Joined: Jan 2003 Posts: 19,379 Las Vegas Al_Alguire I Live Here
Al_Alguire I Live Here Joined: Jan 2003 Posts: 19,379 Las Vegas	Ask Ron Silva..His old Valiant gets with it and has a crate 360 I think the Barracuda has a fair amount of removable ballast "I am not ashamed to confess I am ignorant of what I do not know." "It's never wrong to do the right thing"

Re: 360/380 Crate ET's [Re: Al_Alguire] #2320504 06/13/17 12:26 PM 06/13/17 12:26 PM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat OP master
Triple Threat OP master T Joined: Jan 2003 Posts: 6,266 Renton Washington	Originally Posted By Al_Alguire Ask Ron Silva..His old Valiant gets with it and has a crate 360 I think the Barracuda has a fair amount of removable ballast I think his was the crate 402 deal. The stroker version basically. Most of that ballast is in the drivers seat lol. I already emptied the weight box and its lightened up as the Stock Eliminator rules allow. I dont think this 360 will appreciate the 4.88 gears so we're swapping gears to something more bracket friendly at the moment. -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: 360/380 Crate ET's [Re: Triple Threat] #2320542 06/13/17 02:01 PM 06/13/17 02:01 PM
Joined: Oct 2015 Posts: 570 UK rb446 mopar
rb446 mopar Joined: Oct 2015 Posts: 570 UK	My dumb Wallace figures are> 380fwhp/3300/28"/4.30 60 Foot E.T. : 1.66 1/8 Mile E.T. : 7.55 1/8 Mile Trap Speed : 89.98 1/4 Mile E.T. : 11.97 1/4 Mile Trap Speed : 112 1/4 Mile Trap RPM : 5,780+ guess the 904 will help some Last edited by rb446; 06/13/17 02:04 PM. 1969 'Cuda 446ci, best 9.96@133.9 in 1990 1971 340 'Cuda, best 11.01@122.8 in 1987

Re: 360/380 Crate ET's [Re: Triple Threat] #2320682 06/13/17 06:22 PM 06/13/17 06:22 PM
Joined: Jan 2004 Posts: 8,322 fredericksburg,va C cudaman1969 master
cudaman1969 master C Joined: Jan 2004 Posts: 8,322 fredericksburg,va	Ok, add porting with the factory templates, then their 1.7 stud roller rockers, springs, kit. What ETs would that be.in a 3100 # Duster Stocker. This will be my test engine to sort out the car before the 340 goes in.

Re: 360/380 Crate ET's [Re: Triple Threat] #2320730 06/13/17 07:44 PM 06/13/17 07:44 PM
Joined: Oct 2015 Posts: 570 UK rb446 mopar
rb446 mopar Joined: Oct 2015 Posts: 570 UK	Looking at this> http://www.hotrod.com/articles/mopp-0303-360-crate-engine-buildup/ these motors seem good for 400hp with a 750 carb with a tune which would put that 3300 Cuda to 11.77@114 with a 6200ish trap rpm with slip which is starting to get a bit strong for where that motor makes power to so either a 29" tyre or 4.10's to bring the trap rpm back down would help. I would only be guessing at hp levels with T-porting, 1.7 rockers .532/545" lift but a guess would be in the 450hp range which in a 3100lb Duster would put you in at something like this with a 30" tyre? and 4.88's?> 60 Foot E.T. : 1.54 1/8 Mile E.T. : 6.99 1/8 Mile Trap Speed : 97.20 1/4 Mile E.T. : 11.08 1/4 Mile Trap Speed : 121 1/4 Mile Trap RPM : 6,613+...or 6,179+ with 4.56 Last edited by rb446; 06/13/17 07:47 PM. 1969 'Cuda 446ci, best 9.96@133.9 in 1990 1971 340 'Cuda, best 11.01@122.8 in 1987

Re: 360/380 Crate ET's [Re: rb446] #2320927 06/14/17 01:49 AM 06/14/17 01:49 AM
Joined: Jan 2004 Posts: 8,322 fredericksburg,va C cudaman1969 master
cudaman1969 master C Joined: Jan 2004 Posts: 8,322 fredericksburg,va	Originally Posted By rb446 Looking at this> http://www.hotrod.com/articles/mopp-0303-360-crate-engine-buildup/ these motors seem good for 400hp with a 750 carb with a tune which would put that 3300 Cuda to 11.77@114 with a 6200ish trap rpm with slip which is starting to get a bit strong for where that motor makes power to so either a 29" tyre or 4.10's to bring the trap rpm back down would help. I would only be guessing at hp levels with T-porting, 1.7 rockers .532/545" lift but a guess would be in the 450hp range which in a 3100lb Duster would put you in at something like this with a 30" tyre? and 4.88's?> 60 Foot E.T. : 1.54 1/8 Mile E.T. : 6.99 1/8 Mile Trap Speed : 97.20 1/4 Mile E.T. : 11.08 1/4 Mile Trap Speed : 121 1/4 Mile Trap RPM : 6,613+...or 6,179+ with 4.56 Those numbers are encouraging to say the least. I think I'll stay eight mile, with the 5.12s and 9x30s radials

Re: 360/380 Crate ET's [Re: Triple Threat] #2321117 06/14/17 02:54 PM 06/14/17 02:54 PM
Joined: Mar 2005 Posts: 792 Earth R Rob C super stock
Rob C super stock R Joined: Mar 2005 Posts: 792 Earth	Those are t sry similar numbers I had spoken about with the cars owners and there runs at the track. 1 fella reported low 11's in a gutted (race) Duster. He did say "Some port work done." on his ride. He didn't specify. Just goes to show you don't need a boat load of power to run well and you don't need a ridiculous build and cam size to do it. The create is actually a mild motor IMO.

Re: 360/380 Crate ET's [Re: Triple Threat] #2504329 06/04/18 01:25 PM 06/04/18 01:25 PM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat OP master
Triple Threat OP master T Joined: Jan 2003 Posts: 6,266 Renton Washington	Well I'll share some results since we finally got it out this weekend. 68 Cuda 3140# with driver 4.56 gears 30x9 radial 2.45 low 904 4400 ultimate converter 11.28@116 (in full disclosure this is based on run where the driver lifted at 1000' so we're estimating based on other runs) We're having an issues with it breaking up down track and we're kinda thinking the valve springs are suspect. This thing has some sort of a camshaft in it so it likely needs added pressure. Gonna check those and probably upgrade and give it another try in a few weeks. -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: 360/380 Crate ET's [Re: Triple Threat] #2504352 06/04/18 02:17 PM 06/04/18 02:17 PM
Joined: Oct 2003 Posts: 11,684 W. Kentucky justinp61 I Live Here
justinp61 I Live Here Joined: Oct 2003 Posts: 11,684 W. Kentucky	Dustin what were the numbers at the 1/8?

Re: 360/380 Crate ET's [Re: Triple Threat] #2504368 06/04/18 02:49 PM 06/04/18 02:49 PM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat OP master
Triple Threat OP master T Joined: Jan 2003 Posts: 6,266 Renton Washington	1.53 4.55 330 7.12 @ 94 mph Doing this by memory since I don't have the slip in front of me. -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: 360/380 Crate ET's [Re: Triple Threat] #2504397 06/04/18 03:34 PM 06/04/18 03:34 PM
Joined: Sep 2014 Posts: 4,457 Washington M madscientist master
madscientist master M Joined: Sep 2014 Posts: 4,457 Washington	So those numbers are with a MP crate 360/380? Last edited by madscientist; 06/04/18 03:35 PM. Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston

Re: 360/380 Crate ET's [Re: Triple Threat] #2504426 06/04/18 04:50 PM 06/04/18 04:50 PM
Joined: Oct 2008 Posts: 1,176 East Coast A A/MP super stock
A/MP super stock A Joined: Oct 2008 Posts: 1,176 East Coast	The Sloane #s come as the result of a lot of R&D.Trick beehives I do believe. Change the springs to a double. Sloane motors are well over 7200 at the traps. No need to go there. That's a 11.20-11.50 combo depending on the weather. That's very respectable,dependable and repeatable.

Re: 360/380 Crate ET's [Re: madscientist] #2504458 06/04/18 06:14 PM 06/04/18 06:14 PM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat OP master
Triple Threat OP master T Joined: Jan 2003 Posts: 6,266 Renton Washington	Originally Posted By madscientist So those numbers are with a MP crate 360/380? Yep, with a cam change. No clue what the new cam specs are, it was done by the previous owner who has passed away. -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: 360/380 Crate ET's [Re: A/MP] #2504460 06/04/18 06:16 PM 06/04/18 06:16 PM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat OP master
Triple Threat OP master T Joined: Jan 2003 Posts: 6,266 Renton Washington	Originally Posted By A/MP The Sloane #s come as the result of a lot of R&D.Trick beehives I do believe. Change the springs to a double. Sloane motors are well over 7200 at the traps. No need to go there. That's a 11.20-11.50 combo depending on the weather. That's very respectable,dependable and repeatable. This is just a temporary engine until the stock legal engine is done. We will be changing springs though. -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: 360/380 Crate ET's [Re: Triple Threat] #2504461 06/04/18 06:17 PM 06/04/18 06:17 PM
Joined: Nov 2007 Posts: 21,841 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,841 Kirkland, Washington	Originally Posted By Triple Threat Originally Posted By madscientist So those numbers are with a MP crate 360/380? Yep, with a cam change. No clue what the new cam specs are, it was done by the previous owner who has passed away. Dustin--is this Don Rae's old car??? Greg

Re: 360/380 Crate ET's [Re: Triple Threat] #2504473 06/04/18 06:42 PM 06/04/18 06:42 PM
Joined: Dec 2005 Posts: 743 East Brunswick New Jersey N NoFrills super stock
NoFrills super stock N Joined: Dec 2005 Posts: 743 East Brunswick New Jersey	My dart currently is kind of similar. Stock bore and piston 5.9 magnum. New rings honed with plate decked a bit 10.25-1. Reconditioned stock rod and crank. Mild ported factory head stock valve good valve job huges spring. It's in a 69 dart 3250 4.88 10.5 28w ultimate 4500 8" 727. Ran 11.90 108.

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