SB Stroker using ported T/A heads
#2452716
02/16/18 07:08 PM
02/16/18 07:08 PM
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Joined: Jan 2010
Posts: 1,440 NW Chicago suburban area
Mopar Mitch
OP
pro stock
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OP
pro stock
Joined: Jan 2010
Posts: 1,440
NW Chicago suburban area
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Has anyone here ever built a SB (340/360) stroker (408-416) using factory cast iron ported T/A heads (opening up the intake ports where the pushrods pass through)? What cam did you use? Suggestions? I'm desiring strong mid-range rpms (2500-3000-5500-6000)for road-course action (HPDE/HSAX, some pylon racing). 727, 2400 BM, 3.23... using lots of 1st... longer in 2nd, brief-long in 3rd.
Car is ~3200# Challenger, street/hwy driven, but mostly on-track intended (road courses). Favoring continued usage of my Pro-Max six-pack setup, runs great! (optional LD340 3310 vacumm, or similar carb).
I have a '72 360 that I intend to use for this build (bringing it to a shop very soon for prepping), along with my old self-ported T/A heads.
T/Anks ahead!
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: SB Stroker using ported T/A heads
[Re: Mopar Mitch]
#2453108
02/17/18 05:05 PM
02/17/18 05:05 PM
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Joined: Aug 2003
Posts: 43,007 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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Mopar developed the W2 heads from the T/A castings a long time ago, my message is they can be made to flow some good air with the proper mods The bad things is you still end up with a set of old iron heads that could cost a lot more to make them work as well as a new set of Edelbrock or some other good modern aluminum castings that will out flow and out perform any of the older heads like those I have build more than one 4 inch stroke SB, both 340 and 360 motors, for street pump gas and drag race motors on race gas The heads, intake, carbs. ignition and exhaust determine how much power you can make Traction determines how much HP your car can handle, especially going around corners
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: SB Stroker using ported T/A heads
[Re: Rob C]
#2453675
02/18/18 11:12 PM
02/18/18 11:12 PM
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Joined: Feb 2005
Posts: 20,116 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,116
PA.
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I'm betting as rare as those heads are he could sell them and buy something MUCH better for his combo.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: SB Stroker using ported T/A heads
[Re: Mopar Mitch]
#2453773
02/19/18 02:52 AM
02/19/18 02:52 AM
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Joined: Jan 2003
Posts: 14,479 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
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If the rules allow aftermarket heads, I have to believe taking a bunch of weight off the nose of the car would really help with the handling.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: SB Stroker using ported T/A heads
[Re: Mopar Mitch]
#2453805
02/19/18 07:00 AM
02/19/18 07:00 AM
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Joined: Dec 2009
Posts: 20,600 in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,600
in a cattle trailer down by th...
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There have been plenty of stroker small blocks built with cast iron heads. I like the idea of using stuff you already have and maximizing the power from it. It can keep the cost down somewhat. Now having said that I would suggest having the heads flow tested so you have some numbers as to where the heads work best. This would be great info for a cam grinder to get you the best cam for your application. That is who you should ask about a cam instead of these guys that are only going to suggest you put an LS in it or buy some high dollar heads.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion. '74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon! 2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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