Re: Max wedge heads on the street too much?
[Re: CoronetCrazed]
#2526548
07/24/18 07:00 PM
07/24/18 07:00 PM
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Joined: Jan 2003
Posts: 14,506 So. Burlington, Vt.
fast68plymouth
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I Live Here
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Posts: 14,506
So. Burlington, Vt.
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A much better way to go about this, IMO, is describe your intended performance goals and how the car will be used, and see what kinds of recommendations come back.
It’s best to have a budget in mind for the engine as well.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: Max wedge heads on the street too much?
[Re: CoronetCrazed]
#2526559
07/24/18 07:15 PM
07/24/18 07:15 PM
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Joined: Jan 2005
Posts: 12,419 Kalispell Mt.
HotRodDave
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I Live Here
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Kalispell Mt.
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Much bigger heads than that have been run very sucessfully on small mild street engines (eagle heads on a genIII 345 hemi for one example) so I would be shocked if you found them too big on a 44o if thats your concern, heck they would probably would be fine on a 361 with the correct supporting parts like cam, intake carb and such.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Max wedge heads on the street too much?
[Re: CoronetCrazed]
#2526569
07/24/18 07:39 PM
07/24/18 07:39 PM
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Joined: Mar 2009
Posts: 2,464 Sydney,Australia
tex013
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top fuel
Joined: Mar 2009
Posts: 2,464
Sydney,Australia
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I think all above are correct in their guidance . I have the Trickflow 270 , max wedge . heads on my 505 daily driver/strip Plymouth . When first fitted the converter felt a bit softer . Got used to this pretty quick and didn't notice after a couple of days
BUT
My combo is not strictly normal for daily use . 68 Satellite , 4.1 gears , 29"street tyre , 5500 converter ( and seems higher now with dominator carb )
I have to pull motor as there is an internal moisture issue . If significant I will put this top end on my 440ci and keep going at least till end of season Lets face it a 270 head is still smaller than most BBChev heads used , they don't seem to have to many issues on 454 etc
Tex
Last edited by tex013; 07/24/18 07:45 PM.
New best ET 10.259@129.65 . New best MPH 130.32 Finally fitted a solid cam, stepped it up a bit more 3690lbs through the mufflers New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm Power by Tex's Automotive
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Re: Max wedge heads on the street too much?
[Re: CoronetCrazed]
#2526585
07/24/18 08:08 PM
07/24/18 08:08 PM
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Joined: Aug 2011
Posts: 2,864 Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,864
Pattison Texas
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never heard anything bad about the stealth seats, I have max wedge ports on my 512, indy 400-2 intake, 3.54 gear & od trans, love it.
Last edited by csk; 07/24/18 08:09 PM.
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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Re: Max wedge heads on the street too much?
[Re: AndyF]
#2526606
07/24/18 09:11 PM
07/24/18 09:11 PM
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Joined: Dec 2013
Posts: 4,684 Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,684
Wichita
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If I were starting from scratch I go with the trick flow 270. However, since you already have the stealth I would go ahead and use it. Have them ported by somebody like Dwayne or modern cylinder head and have the locks and retainers replaced. Probably should match the spring so they can too. Personally, I've never heard of any problems with the valve seats in the stealth heads. I've got well over 5,000 miles on mine and they don't have an issue with that.
'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.
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Re: Max wedge heads on the street too much?
[Re: CoronetCrazed]
#2526715
07/25/18 01:19 AM
07/25/18 01:19 AM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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As stated it all depends on the combo and the performance you are looking for. I have seen some standard port combo's run as hard or harder then some Max Wedge port combo's in street cars only because the large Max Wedge port combo's were not a good matched up combo. Myself I got my EZ heads from Dwayne Porter and he opened up the ports to Max Wedge size but the heads are not heavily ported. But its what I wanted because I felt I run enough gear and converter for it to work and I also may want to step my combo up some more one day.
My eng is 4.15 stroke 440 (493 ci) and I do run 4.30's gears in my street car but I run 30" tall rear tires and a Dynamic 9.5 converter. And I am very happy with my car as it has run 10.70's driven to the track and raced just as I drive it through the full exh on 92 pump gas. And I don't change a thing at the track as I run it just as I drive it. I also don't run a roller cam as I use a solid flat tappet that's .585 & .592 lift with 264 & 270 @ .050 on a 110 LSA.
So I would say yes you can run Max Wedge ports on the street if you run the right combo so it works good. I feel mine works fine as my car has good low end and runs nicely as a driver. Good luck which ever way you decide on. Ron
Last edited by 383man; 07/25/18 01:24 AM.
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Re: Max wedge heads on the street too much?
[Re: CoronetCrazed]
#2526725
07/25/18 01:58 AM
07/25/18 01:58 AM
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Joined: Jan 2003
Posts: 10,010 Frostbitefalls MN (Rocky&Bullw...
gregsdart
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I Live Here
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Frostbitefalls MN (Rocky&Bullw...
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The standard port size is a very good size for 470 cubes, but going above 512 cubes the large (max wedge) heads have about the same cross section to cubes as a 383 with standard ports. Those 383s seemed to run pretty good,,,,,,
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: Max wedge heads on the street too much?
[Re: CoronetCrazed]
#2526754
07/25/18 08:00 AM
07/25/18 08:00 AM
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Joined: Jan 2003
Posts: 17,918 Akron, Ohio
ProSport
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I Live Here
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Akron, Ohio
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My street car has a 500" low deck, pump gas 10:1 compression, 557 MP can, and Eddy heads with MW ports. Zero regrets!
I drove it to the track with 3.23 gears, ran 10.69 at 124mph and drove it home.
On the street I can launch in 2nd gear and it feels like a 10 sec pass. I love it.
1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual
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Re: Max wedge heads on the street too much?
[Re: AndyF]
#2526756
07/25/18 08:50 AM
07/25/18 08:50 AM
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Joined: Aug 2006
Posts: 2,141 junction city oregon
viperblue72
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junction city oregon
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I did a back to back dyno test with Trick Flow 240 heads vs. 270 heads. The 270 heads made 25 more hp starting around 6000 rpm. Below that there wasn't a huge difference. Which means that on the street the 240 heads will work better since most street driving is off idle or part throttle. This was on a 470 inch pump gas engine which is fairly typical for a street car. https://www.hotrod.com/articles/dyno-day-trick-flow-270-mopar-heads/ I'm not necessarily disagreeing with you but he's gonna have 35 more cubic inches. I agree that either trick flow head would work great. But if it were me I would get the bigger cylinder head. Because if he decides he wants more later, he will have room.
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