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#41
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[QUOTE=blueghoast;6261309]
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Don't think any pump gas Pontiac will live long or make the power it should at 13-1 . Certainly not without the exact cam it needs and steel rods do not help. Was this a E-85 engine ? If the heads were close there is some reason this engine did not make more power than your new SM engine is it had the right cam and fuel in it. Its over 1.5 more static CR. Significant enough you should see it. |
#42
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Stan
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Stan Weiss/World Wide Enterprises Offering Performance Software Since 1987 http://www.magneticlynx.com/carfor/carfor.htm David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software http://www.magneticlynx.com/DV Download FREE 14 Trial IOP / Flow Software http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php Pontiac Pump Gas List http://www.magneticlynx.com/carfor/pont_gas.htm Using PMD Block and Heads List http://www.magneticlynx.com/carfor/pont_pmd.htm |
The Following User Says Thank You to Stan Weiss For This Useful Post: | ||
#43
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[QUOTE=Dragncar;6261800]
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You need to look at a set of the SM heads and evaluate them compared To the E-Heads. There truly is a lot more meat in them for more air. The valves and the seat are top quality they come with tall valves And My E-Heads had one seat on the intake that far from being seated in place. Had to take care of that. That could happen to any manufactuier though. Can't remove all the push rod bulge in the E-Head but did with the SM's. Point is before you drag them in the dirt take a good look at them before you judge them, They really are a decent head I mean if I can make power with less comp, smaller valves and a little less flow and just two day's of port work and I'm no proffessional then I'm impresed by it. So take a look and compair your self before you judge them. I know sometime soon a good porter will do a set and maybe then will know just what the potential they can make or not. GT |
#44
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#45
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Are these heads perfect out of the box? Are any of them? Any assembled aftermarket head should be broken down and examined. One reason I got the bare heads as I will prep/assemble them to my specs. Could they use some clean up port work? I think that depends on the user and his/her intent on the use of the heads. Stock cast iron heads can use some clean up port work to greatly improve them, but does everyone do that? I did do a web search to see how many complaints and bad reviews there were on the Speedmaster heads - Pontiac and others. Really didn't find anything that would cause these heads to fall into the "junk" list or "don't waste your money." If they were crap, the complaints would be all over the assorted forums and no one would be buying them. But to the contrary, they got good overall reviews that did point out that these heads all could use some bowl clean-up/blending which was easily done with a sanding roll and not a lot of time involved. But once again, it is so easy to arm chair your opinion and sound like an expert on heads when you have not even purchased, let alone worked with, a set of Speedmaster heads. When you actually purchase a set, do all your fancy work to them (or pay someone else as I am sure you do), and provide real world dyno numbers either supporting or negating their use on the ultimate build, otherwise STFU. Thank you to the OP for sharing. Very encouraging and others who buy American will also be thanking you because it'll bring the cost down of those who had thought they had the market share on aftermarket aluminum Pontiac heads and were over pricing them. |
The Following User Says Thank You to PontiacJim1959 For This Useful Post: | ||
#46
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I know the SM heads are lighter than the E heads. The material has to come from somewhere. The High Ports seem heavy, thick. I can understand why they have been taken to 462 cfm. |
#47
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[QUOTE=PontiacJim1959;6261816]Where is the STFU emogee? I am still looking for the post where the OP said he was building an all out high end race engine and sparing no expense? Hmmm. I have a set of the "Chinese" heads and they look great. Far cheaper than the out of the box E-heads and my purchase is simply for use on a street car, not a race engine.
Are these heads perfect out of the box? Are any of them? Any assembled aftermarket head should be broken down and examined. One reason I got the bare heads as I will prep/assemble them to my specs. Could they use some clean up port work? I think that depends on the user and his/her intent on the use of the heads. Stock cast iron heads can use some clean up port work to greatly improve them, but does everyone do that? I did do a web search to see how many complaints and bad reviews there were on the Speedmaster heads - Pontiac and others. Really didn't find anything that would cause these heads to fall into the "junk" list or "don't waste your money." If they were crap, the complaints would be all over the assorted forums and no one would be buying them. But to the contrary, they got good overall reviews that did point out that these heads all could use some bowl clean-up/blending which was easily done with a sanding roll and not a lot of time involved. But once again, it is so easy to arm chair your opinion and sound like an expert on heads when you have not even purchased, let alone worked with, a set of Speedmaster heads. When you actually purchase a set, do all your fancy work to them (or pay someone else as I am sure you do), and provide real world dyno numbers either supporting or negating their use on the ultimate build, otherwise STFU. Thank you to the OP for sharing. Very encouraging and others who buy American will also be thanking you because it'll bring the cost down of those who had thought they had the market share on aftermarket aluminum Pontiac heads and were over pricing them.[/QUOTE Emoji.s are for girls. Chi Com heads TTFMFER ! The OP did say the quality was better than E heads. Cheap 400 $ heads better than the beast heads from the best made in America company ?? That will be the day. I hope you build turns out great. |
#48
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[QUOTE=blueghoast;6261812]
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E head will take a 2.25 and a High Port will take a 2.30". |
#49
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[QUOTE=Dragncar;6261834]
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You are one of those guys who baffles people with BS rather than dazzle them with brilliance. Most unfamiliar with Pontiacs, or any engine build, or the beginner who simply likes GTO's, might be swallowing your BS and taking your side ONLY because they don't have the knowledge/experience/info on the best way to build a strong HP/TQ engine whether it be street or race. But what those in the know who know about building an engine, Pontiac or otherwise, understand that a winning/solid engine is more about part matching and not singling out or focusing on 1 piece and forgetting about the others. So what, if a set of heads flow 400CFM's but then you have an intake that flows 240CFM, or you have a .700" lift roller cam and stock resized cast iron rods. Then there is matching all this to the drivetrain and planting to the pavement. It is not about the biggest budget, best selected parts on the market, and slapping it together........it is about selecting parts that work together so you don't have a turd of an engine. Buy a set of SM heads and YOU tell us - then you can answer all these question and more and have facts in hand and not assumptions. Then once you have answered these questions, do some R&D and install them with YOUR assumed best parts build with matching cam and let's see how they perform. It would be a small investment on your behalf to know the truth an then you will really have a leg to stand on IF they really suck. I'll watch and follow your 12-part YouTube video. I looked on YouTube hoping to find your All-American killer drag car and was disappointed. Would like you to point me to your car in action and your posted 1/4 mile times on the winners billboard? It may be up there, and used your screen name to do the search, but maybe you go by another screen name on YouTube? |
#50
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Most of the time bigger is better, you also get what you pay for.
GTO George |
#51
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The OP has a running engine and gave his results. I have 3 sets of E heads and 2 sets of SM heads. I also do my own work, the SM heads are a decent head for a street/strip car. You keep talking about these engines you are gonna build etc and keep throwing peoples names out there like you break bread with them daily. How about instead of slamming everyone's build you spend the energy putting yours together and show us your Real World Experiences. In fact, I will haul my home built, stock suspension, stock block, factory crank, Carter AFB fed 3750LB full interior street car all the way to Vegas for a match race with your light weight gutted 69 race car for $$$.
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66 GTO Nostalgia Super Stock/Street Legal Car 421 CID, stock block, Wenzler Intake, 2- Carter 750 AFB's, 3.90 Gears, Full Factory Interior, Full Exhaust, Stock Suspension 3750LBS 9.77@136.99 Multiple NSCA/NMCA World Champion 66 GTO 389 3x2, 4 speed, 4.33 gear, Montero Red 33K original Miles 67 GTO 2dr Post, 428, Tri Power, 3.55 Gears 80 Trans Am Black SE Y84 W72 WS6 |
#52
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#53
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[QUOTE=Dragncar;6261834]Just clarify, both hp and e-heads have same valve spacing, so physical the same size valves will fit both heads.
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#54
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You should take offense to it too. But you jump all over them like its a good thing. I am going to a rodeo, bull riding 4th of FREAKING JULY celebration with big fireworks today. "Merica" baby. Stop it with you will tow to Vegas to race. No you won't. BTW, few 505s have been past 860. Most have missed so save it. |
#55
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[QUOTE=slowbird;6261896]Has anyone got a 2.30 valve in a E head ?
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#56
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Apparently you don't know me. I put 15k+ miles a year on a rig just towing to the races.
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66 GTO Nostalgia Super Stock/Street Legal Car 421 CID, stock block, Wenzler Intake, 2- Carter 750 AFB's, 3.90 Gears, Full Factory Interior, Full Exhaust, Stock Suspension 3750LBS 9.77@136.99 Multiple NSCA/NMCA World Champion 66 GTO 389 3x2, 4 speed, 4.33 gear, Montero Red 33K original Miles 67 GTO 2dr Post, 428, Tri Power, 3.55 Gears 80 Trans Am Black SE Y84 W72 WS6 |
The Following User Says Thank You to Mike Davis For This Useful Post: | ||
#57
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[QUOTE=Dragncar;6261921]Doesn't matter if someone has, that doesn't change the fact that both heads have same spacing. But yes people have definitely ran bigger than 2.25 in e-heads
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#58
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He can show you one of my sheets and claim it's his. Does that count? Lol
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#59
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#60
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[QUOTE=slowbird;6261939]The Gabby 400cfm E heads had 2.25, so did Brandywines. And Mikes.
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