Actually, a properly ported set of stock E7TE's will outflow a set of untouched GT-40P's. Now if you were to have the “P's” ported, it would be a different story. But then one might argue why spend the time and effort on porting a set of GT-40P's when the aftermarket is littered with better iron/aluminum castings. It's all going to come down to what you're willing to spend. If in fact he can’t do it himself, Thumpers prices are still reasonabley cheaper than a set of GT-40P's and the results are there.Killercanary said:Don't waste your money paying someone to port them, if you don't do it yourself, don't do it. Like Jesse said, look into a set of GT40P's, despite what many will tell you about its flow numbers compared to a set of ported E7's, the gt40P's are better all around and can make some serious power for what they are. These heads were factory equipment on the 97-? 5.0L explorer and mercury mountaineer.
Thumpers prices are still reasonabley cheaper than a set of GT-40P's and the results are there
Well, I don't really want to get into it either, but I don't see any period at the end of that sentence. I'll give it to you that there are more combo's running GT-40P's than Thumper heads, but I didn't state that Thumper heads were the “be all, end all” of ported E7's either. . Powerheads does a pretty fine set of E7TE's as well, and besides, I stated that a properly ported E7TE would outflow a set of untouched GT-40P's. Which they have been shown to do and although I've not found any comparison numbers stating how they stack up on the dyno, I'll bet you haven't found any contradicting figure that say the GT-40P's are superior. It's true that flow numbers don't tell the whole story, but I'll never swap out my ported E7's for a set of GT-40P's, no matter how good "P" faithfuls say they are. The horsepower difference between them is going to be minute if any and it's just not worth the price of headers and head gaskets for me. The next set of heads my 302 would see would be Edlebrocks, Trick Flow’s or AFR’s. Something I’m actually going to feel a difference when changing. Not an extra possible 2-3 horsepower, that’s only ever going to be noticed on a dyno sheet.Killercanary said:Fact remains, there are faster combos running gt40p's than there are running thumpers... PERIOD.
Gearbanger 101 said:Well, I don't really want to get into it either, but I don't see any period at the end of that sentence. I'll give it to you that there are more combo's running GT-40P's than Thumper heads, but I didn't state that Thumper heads were the “be all, end all” of ported E7's either. . Powerheads does a pretty fine set of E7TE's as well, and besides, I stated that a properly ported E7TE would outflow a set of untouched GT-40P's. Which they have been shown to do and although I've not found any comparison numbers stating how they stack up on the dyno, I'll bet you haven't found any contradicting figure that say the GT-40P's are superior. It's true that flow numbers don't tell the whole story, but I'll never swap out my ported E7's for a set of GT-40P's, no matter how good "P" faithfuls say they are. The horsepower difference between them is going to be minute if any and it's just not worth the price of headers and head gaskets for me. The next set of heads my 302 would see would be Edlebrocks, Trick Flow’s or AFR’s. Something I’m actually going to feel a difference when changing. Not an extra possible 2-3 horsepower, that’s only ever going to be noticed on a dyno sheet.
If he can find a set of cheap GT-40’s or GT-40P’s, then fine. Buy em, bolt em on and go racing. But don’t discount the E7TE’s cause you don’t like em!
I don't own a set of Thumpers, I've ported and polished my own heads using stock valves (5-angle valve job), as well as a welded straitened and ported stock intake. Other than that, I’m running the stock cam with 1.7rr, bored stock throttle body to 63mm, underdrive pulleys, full exhaust, fuel system upgrades, home made CAI and 3.55 gears along with a bunch of miscellaneous stuff and a good tune. The best I’ve run with my full weight, fully loaded 5-speed LX was a 13.89 @ just under 104mph with stock worn radials, crappy 60ft, full interior (not to mention 75lbs worth of stereo equipment and an old gym bag full of crap in the back) on a cold track. Now by now means is this time spectacular, but I’ve out run a lot of "claimed" 12-second cars with a lot more money into their combos than mine. Given a warmer track, a new set of street radials (not slicks or D/R’s) putting the car on a diet and a little luck, I’m convinced that mid/low 13’s are within reach.yellow1995Cobra said:Just curious, what do you run with the thumpers? (track times)
Gearbanger 101 said:I don't own a set of Thumpers, I've ported and polished my own heads using stock valves (5-angle valve job), as well as a welded straitened and ported stock intake. Other than that, I’m running the stock cam with 1.7rr, bored stock throttle body to 63mm, underdrive pulleys, full exhaust, fuel system upgrades, home made CAI and 3.55 gears along with a bunch of miscellaneous stuff and a good tune. The best I’ve run with my full weight, fully loaded 5-speed LX was a 13.89 @ just under 104mph with stock worn radials, crappy 60ft, full interior (not to mention 75lbs worth of stereo equipment and an old gym bag full of crap in the back) on a cold track. Now by now means is this time spectacular, but I’ve out run a lot of "claimed" 12-second cars with a lot more money into their combos than mine. Given a warmer track, a new set of street radials (not slicks or D/R’s) putting the car on a diet and a little luck, I’m convinced that mid/low 13’s are within reach.
I did all the work myself and have less than 4500 Canadian wrapped up in the entire car.....including the purchase price! And that’s with a ground up resoration! Is that what you were expecting to hear? No bragging, no B/S and no way that stock GT-40’s on my combo are going to do much better!
Yellow1995Cobra, it sounds a lot like you’re trying to put words into my mouth? No excuses, just facts! The track was cold, my tires were worn and I had a load in the car. I did the best I could under these conditions and told you what it did. Would it have gone faster under better conditions, discounting the factors that I mentioned….DAMN RIGHT! But I didn’t. Had I not stated the conditions, I would have gotten a ton of responses telling me I should be running better times than that, or what were the track conditions like, etc, etc. I just cut the crap and got it out of the way, right off the bat.yellow1995Cobra said:I was gonna say i dont want to hear 10 excuses when i posted that, just the actual track times. But i didnt and you gave a ton of excuses. Sounds to me that your making excuses for your times. Just be happy with what you got instead of saying things like "well the track was cold" etc etc.
4500 isnt much at all, considering that includes the car. Nice job on building a real budget car. But i still wanna know what your actual times were, not "just under 104", lets see the 60ft, 1/8, 1000ft 1/4 etc.
How much power did the car make when u tuned it? And do you know the weight?
thumper460 said:blah...blah.... DONT BUY PORTED HEADS!!! DONT BUY THUMPERS PORTED HEADS!! GOD, anything to keep those two long winded high dollar racers quiet!! Port your own heads if you have too!! all you need is a 20.00 die grinder and some carbide bits.. and a few hours and your rocking the world!! Hell yeah!! that s it...blah blah blah.... 101 you WONT WIN!! they are safe!! But when we look at our cars, we dont see 12s with
8,000.00 ( whats that..12,000 Cn)... hell no!! we see 12s with 1000.00 duh..... ( oh that is what 1500.00 Cn??) Cheese and rice..... these guys are on every site!! Just agree... and maybe they will feel big and strong and wax their car again!! LOL
Just me..................................
Thumper
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