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10 second stroker recipe #2673209
07/02/19 04:28 PM
07/02/19 04:28 PM
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mississippi
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lostdog Offline OP
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I’m looking to be in the mid-low 10’s on motor in my ‘73 barracuda.

I have a ‘72 standard bore 400 block base for my stroker.

I’ve been looking for heads and am now thinking I just need the advice and get the parts right the first time.

Intake
Heads
Kit?

Thanks

Re: 10 second stroker recipe [Re: lostdog] #2673244
07/02/19 04:41 PM
07/02/19 04:41 PM
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Posts: 3,245
Between a rock & a hard place
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cudadoug Offline
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Between a rock & a hard place
What is the intended use?

100% race car?

Street/strip?

With either, I'd be looking at as a foundation of:

512" kit - Contact the vendors on here
Trick Flow heads/intake
Custom solid FLAT TAPPET cam
2" primary headers

Re: 10 second stroker recipe [Re: cudadoug] #2673275
07/02/19 04:52 PM
07/02/19 04:52 PM
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mississippi
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lostdog Offline OP
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Originally Posted by cudadoug
What is the intended use?

100% race car?

Street/strip?

With either, I'd be looking at as a foundation of:

512" kit - Contact the vendors on here
Trick Flow heads/intake
Custom solid FLAT TAPPET cam
2" primary headers



This is the help I’m looking for. It will probably be more street than strip but it will be run at the track.

Re: 10 second stroker recipe [Re: lostdog] #2673305
07/02/19 05:54 PM
07/02/19 05:54 PM
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MI, usa
dvw Offline
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Low tens requires a fairly stiff gear, converter, and cam. Not very street friendly. At 3650 lbs you need close to 700 hp corrected. It can be driven on the street but will just blow the tires off. 11.0 combo is probably a better street deal.
Doug

Re: 10 second stroker recipe [Re: dvw] #2673308
07/02/19 05:57 PM
07/02/19 05:57 PM
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mississippi
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lostdog Offline OP
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You’re right. But I know I can get into 11’s with the standard configuration of the 400 adding good heads , cam , converter and gear.

Re: 10 second stroker recipe [Re: lostdog] #2673317
07/02/19 06:15 PM
07/02/19 06:15 PM
Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
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fast68plymouth Offline
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Low 10’s, even in the southern heat and humidity isn’t all that tall of an order in a Cuda....... the hard part is reaching that goal with something that isn’t a bracket race car with tags on it.

As long as you’re willing to live with the drivability that goes with steep gears, a loose converter, and cam maintenance....... and probably enough compression to need to at least mix the gas.

For something more streetable........ back it down into the high tens...... put a small shot on it to get the rest of the way.

I’d be shooting for at least 750 std corrected hp if the N/A target is low tens being raced in the south central region.
You’re going to lose 75-100hp as it sits in the car in typical weather down there.

511, TF270’s, 11.5cr, 400-3/4500 carb, 2” headers, roller cam, 1.6 rockers.
45-4900 9.5” converter, 4.10’s


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: 10 second stroker recipe [Re: lostdog] #2673321
07/02/19 06:32 PM
07/02/19 06:32 PM
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Oregon
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AndyF Offline
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Is the car set up to go low 10's? If so, what is the weight, tire size and gear ratio in the car. If all of those things are ready to go then building the engine and trans is the easy part. A 700+ hp big block is fairly simple to screw together from parts you can buy over the counter. 4.25 stroke rotating assembly and a set of Trick Flow heads will get you there. Compression depends on what you want to run for fuel. If this is street driven or EFI then you'll want to stay with an unleaded fuel. If it is race only then go for it. Same thing on the exhaust side. Race only allows you to use open exhaust while a street car requires a lot of extra work (and weight) for a full exhaust system. Cooling system is the same way and so are the brakes. Race car stuff can be simple and lightweight, street stuff has to be a lot more robust.

Re: 10 second stroker recipe [Re: fast68plymouth] #2673328
07/02/19 06:43 PM
07/02/19 06:43 PM
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lostdog Offline OP
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Thanks fast, I was hoping you would have some input.

As far as the car l, it was previously a drag car that has been rubbed with narrowed 8 3/4. It had a 12 pt cage but I took that out when I replaced the firewall and floors. I’ll be putting an 8pt back in it. I should be able to get it to hook. Also has all new suspension and 4 wheel disc brakes.

5D293D71-43D2-40CB-8655-6AD175B856A6.jpeg4F927CBC-75E8-4EA5-BAA2-152A6CBA5DEC.jpeg
Re: 10 second stroker recipe [Re: AndyF] #2673329
07/02/19 06:47 PM
07/02/19 06:47 PM
Joined: Aug 2011
Posts: 359
mississippi
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lostdog Offline OP
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Originally Posted by AndyF
Is the car set up to go low 10's? If so, what is the weight, tire size and gear ratio in the car. If all of those things are ready to go then building the engine and trans is the easy part. A 700+ hp big block is fairly simple to screw together from parts you can buy over the counter. 4.25 stroke rotating assembly and a set of Trick Flow heads will get you there. Compression depends on what you want to run for fuel. If this is street driven or EFI then you'll want to stay with an unleaded fuel. If it is race only then go for it. Same thing on the exhaust side. Race only allows you to use open exhaust while a street car requires a lot of extra work (and weight) for a full exhaust system. Cooling system is the same way and so are the brakes. Race car stuff can be simple and lightweight, street stuff has to be a lot more robust.


Thank you ! See above comments to fast . I haven’t weighed the car yet and since I don’t have any go fast parts yet I will buy the converter and gear to go with it.

Re: 10 second stroker recipe [Re: lostdog] #2673378
07/02/19 09:13 PM
07/02/19 09:13 PM
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Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
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Val-haul-ass... eventually
Budget?

Re: 10 second stroker recipe [Re: BradH] #2673387
07/02/19 09:46 PM
07/02/19 09:46 PM
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lostdog Offline OP
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Originally Posted by BradH
Budget?


I don’t have a set amount I’ll spend all at once. I’ll do this like I have done all my projects - just buy things when I can.

Re: 10 second stroker recipe [Re: dvw] #2673389
07/02/19 09:54 PM
07/02/19 09:54 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
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Originally Posted by dvw
Low tens requires a fairly stiff gear, converter, and cam. Not very street friendly. At 3650 lbs you need close to 700 hp corrected. It can be driven on the street but will just blow the tires off. 11.0 combo is probably a better street deal.
Doug


We went 10.73 the other week with 3.91 gears and mufflers and a .560 lift cam and IRON heads and 10.7:1.....Strokers don't seem to care much...Not sure what it weighs, probably 3500 with me in it. Wait till we get the new Indy fully ported 325's we just scored put on it!

I prefer the 440Source 512 kits with the girdle and Indy heads. I know nothing about the Trick flows, but the Indy heads from the EZ1 on up to the 440-1's will hit 10's no problem. The more you spend here, the faster it goes...If I had it to do over on my race car, I would have probably gone to the B1 heads had I known how well those flowed. They seem to be one of the best "bracket" car heads out there and a step up from the Indy 440-1's.

Intake, again we like an Indy 4150 single plane for street, and same thing in 4500 for race.

Carbs, we like the cheap out of the box Proform 1050 or go all out and get a Thumper carb...


'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: 10 second stroker recipe [Re: lostdog] #2673390
07/02/19 09:56 PM
07/02/19 09:56 PM
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
Originally Posted by lostdog
Originally Posted by BradH
Budget?


I don’t have a set amount I’ll spend all at once. I’ll do this like I have done all my projects - just buy things when I can.

Let me give you some advice on parts and purchasing them, buy the good ones once, not cheap ones and then learn later you have to replace them later to reach your goals work scope


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 10 second stroker recipe [Re: Dragula] #2673392
07/02/19 09:59 PM
07/02/19 09:59 PM
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Posts: 359
mississippi
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lostdog Offline OP
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Originally Posted by Dragula
Originally Posted by dvw
Low tens requires a fairly stiff gear, converter, and cam. Not very street friendly. At 3650 lbs you need close to 700 hp corrected. It can be driven on the street but will just blow the tires off. 11.0 combo is probably a better street deal.
Doug


We went 10.73 the other week with 3.91 gears and mufflers and a .560 lift cam and IRON heads and 10.7:1.....Strokers don't seem to care much...Not sure what it weighs, probably 3500 with me in it. Wait till we get the new Indy fully ported 325's we just scored put on it!

I prefer the 440Source 512 kits with the girdle and Indy heads. I know nothing about the Trick flows, but the Indy heads from the EZ1 on up to the 440-1's will hit 10's no problem. The more you spend here, the faster it goes...If I had it to do over on my race car, I would have probably gone to the B1 heads had I known how well those flowed. They seem to be one of the best "bracket" car heads out there and a step up from the Indy 440-1's.

Intake, again we like an Indy 4150 single plane for street, and same thing in 4500 for race.

Carbs, we like the cheap out of the box Proform 1050 or go all out and get a Thumper carb...




Sounds like you’re having fun with it. Thank you !

Re: 10 second stroker recipe [Re: lostdog] #2673403
07/02/19 10:19 PM
07/02/19 10:19 PM
Joined: Oct 2007
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New York
polyspheric Offline
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Can't tell you how to go about it, but my DD is a 4-speed OD automatic (Lexus A340E), and I don't know how I ever got along without it.
My SLR (1st gear X axle ratio) is 10.6:1, equal to a 727 with 4:31:1 axle. With a 3.77 axle & 26.6" tire the engine turns 30 mph per 1,000 rpm - 75 mph is 2,530 rpm.


Boffin Emeritus
Re: 10 second stroker recipe [Re: Cab_Burge] #2673435
07/02/19 11:41 PM
07/02/19 11:41 PM
Joined: Aug 2011
Posts: 359
mississippi
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lostdog Offline OP
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mississippi
Originally Posted by Cab_Burge
Originally Posted by lostdog
Originally Posted by BradH
Budget?


I don’t have a set amount I’ll spend all at once. I’ll do this like I have done all my projects - just buy things when I can.

Let me give you some advice on parts and purchasing them, buy the good ones once, not cheap ones and then learn later you have to replace them later to reach your goals work scope


That’s the plan. I have an engine in the car now so I’ll be able to enjoy it some while I’m
Collecting parts.

Re: 10 second stroker recipe [Re: Dragula] #2673473
07/03/19 05:08 AM
07/03/19 05:08 AM
Joined: Mar 2006
Posts: 9,791
MI, usa
dvw Offline
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Originally Posted by Dragula
Originally Posted by dvw
Low tens requires a fairly stiff gear, converter, and cam. Not very street friendly. At 3650 lbs you need close to 700 hp corrected. It can be driven on the street but will just blow the tires off. 11.0 combo is probably a better street deal.
Doug


We went 10.73 the other week with 3.91 gears and mufflers and a .560 lift cam and IRON heads and 10.7:1.....Strokers don't seem to care much...Not sure what it weighs, probably 3500 with me in it. Wait till we get the new Indy fully ported 325's we just scored put on it!

I prefer the 440Source 512 kits with the girdle and Indy heads. I know nothing about the Trick flows, but the Indy heads from the EZ1 on up to the 440-1's will hit 10's no problem. The more you spend here, the faster it goes...If I had it to do over on my race car, I would have probably gone to the B1 heads had I known how well those flowed. They seem to be one of the best "bracket" car heads out there and a step up from the Indy 440-1's.

Intake, again we like an Indy 4150 single plane for street, and same thing in 4500 for race.

Carbs, we like the cheap out of the box Proform 1050 or go all out and get a Thumper carb...



Exactly, add another 150-200lbs for an E body and add enough power to go .6 quicker. I'm assuming 10teens as low 10's.
Doug

Re: 10 second stroker recipe [Re: polyspheric] #2673498
07/03/19 08:22 AM
07/03/19 08:22 AM
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Wichita
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GY3 Offline
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Build a mild low 11's car with mild rear gear and converter and use spray to get into the 10's.

We really enjoy driving our '63 with 2800 stall and 3.54 gears.


'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: 10 second stroker recipe [Re: GY3] #2673536
07/03/19 10:41 AM
07/03/19 10:41 AM
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fullmetaljacket Offline
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Go lightweight and you will see the light at the end of the quarter tunnel flash 10's.

Re: 10 second stroker recipe [Re: fullmetaljacket] #2673546
07/03/19 11:32 AM
07/03/19 11:32 AM
Joined: Jun 2003
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Romeo MI
MR_P_BODY Offline
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Originally Posted by fullmetaljacket
Go lightweight and you will see the light at the end of the quarter tunnel flash 10's.


I agree... light is right.. also easier on parts plus you dont need to make
the big HP
wave

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