ok, I think I'm going to buy a set of thumper E7 heads. I was wondering how you guys lik ethem and how much of a power increase did you gain? to me it seems for what you get, it seems like a good deal. also, is teh bigger valve upgrade worth it? Thanks guys!
Only a handful of guys run Thumpers heads over here...You can get some feedback in the 5.0 tech forum to...
I run his E7s with the dbl spring upgrade using stock valve's, Steeda 19, GT40 upper...Im 302 FWHP....stock is around 220FWHP....I have the normal base mods for H/C/I also..I still run 19s and a stock EEC...round 80+ HP increase...
Far better than it was stock...
Mines got a hell of a mid/upper hit...I pretty much crack a smile when getting into and on it....Took mine out tonite after not really driving it for a month or so...I just swapped on a gt40 upper this week....well its 23 degs out and the thing screwed, breaking the 18s loose in 2nd no sweat...Me likes that chit....
I got my moneys worth far as I'm concerned...
If you haven't made a purchase yet you may want to search around and look at the HP and track times of similar combos to your with thumpers and GT40P's. The GT40P's definitely warrent concideration if your looking into thumpers.
Umm...still sorting out issues so no worthy track times yet
but my best mph was 101 N/A with only 26-28* (stock wot timing), should hope to be around 104-105ish when sorted out N/A. I think I still have a "too long of a pushrod" issue, sorting it out over the winter.
I wanted to tell you a buddy of mine bought a used set of your heads and put them on his stock bottom end car with a cobra intake and ecam and the basic bolt ons He busted off a 12.24 @ 112 mph on a 100 shot of nitrous he had a 1.81 60 ft Pretty good huh!! Cool HUH!!
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I run the ported E7's also and love them. It was a lot cheaper than buying expensive aluminum heads. My best ET before the heads,cam, and intake was a 13.6 at 108. Now day's it has so far been as fast as 12.24 at 113 and there is still more in it to go once I drive it harder at the
strip. Still getting used to launching the new combo at the strip. Oh yeah that was with STOCK headers cause my Mac's were cracked in three places and had to junk them. _________________
The first pass of the day was a 12.58 @ 108 mph, the car seemed to boog a little out of the hole. The second and last pass was a 12.45 @ 108.4 on a 1.73 60 ft!! the heads and cam were unreal!! I droped almost a full second from before with the head change!! We are going out tonite and see what we can scare up....
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The car is my full weight (nothing removed except the front sway bar) daily driver with the a/c still on it. With no changes other than a set of 26x8 MT ET Drags, the car went 11.65 @ 115.8mph on the 175 shot (any other 60' time from the night would have given me an 11.5x) and 11.87 @ 115.8mph on the 150 shot. .
Overall, I'm pretty happy with 11s in my daily driven bolt-on car with Ported Thumper Heads !
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Yep, those were some of yours. Awsome heads I forgot about the markings untill you mentioned it. Ill be getting some of your heads when I get my car here from Texas. I sold the other car I had. It had your heads B-303 cam longtube mac headers performer rpm intake 650 double pumper complete off road exhaust. The biggest problem was getting the car to hook. spin through third. Cool though. with 3.73 gears.
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Vert 3750 # race weight with me and my junk. Mid 15's before and 13.93 after.( Im not a great driver either I had a 1.98 60ft ) Im still tuning and making changes. That was with Tmoss lower stock upper and a comp cam nx264hr !!
The fact is I pulled off 1.19 sec off my et and gained 9 mph by bolting on those parts. I just added a cobra intake and elec fan and sub connectors.I need a new clutch and Ill be running it again this spring... ( HMMMMMmmmmmm... sold it 'eh?? Tpr)
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Up for sale is a set of thumper heads with approx. 9-10000 miles on them. they come upgraded with the dual vassco springs rated for .590 lift. These heads alone gave me .7 tenths in the 1/4 and 5 mph. If you want any additional info on these awesome heads for the $$$ go to www.thumperoforangepark
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I run Thumper Stg2s and a Tmoss Ported Explorer...They work..plain and simple...its cheap money and i like that..plus i like running Ford parts...i could have gone the other way, no problem...I just like the idea of banging 12s on ported stock parts...
The way i see it...i got a mild cam, the heads, and decent breathing mods...i got almost 300FWHP...not to shabby far as im concerned...thats about adding 80 HP over stock...thats a nice, noticable hit...
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You were right, the B cam, advanced 2 degrees on 1.7 RR's was the way to go. 1st of all the idol is mean, sounds much meaner than even bigger cams. I'm kind of getting sick of people always asking me "what's in that thing". 2nd of all low end tq is also good. Mine is a daily driver, can't afford too much bottom end loss. True, it's choppy under 1800rpm, but once after 2500rpm it's alive. I can do 2nd gear starts even on slight inclines w/o having to revv the engine more than normal. 3rd of all, top end, wow. Goes from 75 to 115 faster than most cars can go from 0 to 40.
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"unique" combo in and dyno'd
Well, it's a unique combo because my plan has had to change a few times due to things breaking. It's everything off of my old 302 swapped onto a shortblock.
The combo made 296.8 rwhp and 344 rwtq *******
( over 348 FWHP w/15% power train loss )
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1993 Mustang LX Coupe
Ex-Nebraska State Patrol car, "Thumper Performance" ported stock heads, B-303 cam, TFS Street heat intake,TNT Force 2 Wet nitrous kit, 3.55 gears, exhaust and all the usual bolt-ons.
12.80@106mph--motor
11.88@119mph--w/100 shot
** NEW COMBO **
347 Stroker, Thumper Heads, Keith Kraft custom grind cam, Vic. Jr. Intake with BG 750 speed demon, 2 speed PG with TCI group 6 stall, 3.73s.
11.83 N/A 115 mph
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I run 12.80 @ 106 with 1.77 60fts on drag radials. My local track is @ 3000 feet in the desert. Corrected for elevation, I'm some where in the 12.30's. My car is less than 3000lbs and has an electric fan, manual steering, K Member....4.10's and even more suspension junk. I run Thumpers with an e cam, 65 mm tb, 73mm mass air, and cobra intake. I think that with more tuning and a real slick I can drop another tenth or two. Simple combo, light weight, and matched parts all make for a pretty stout street car. I can drive anywhere as long as its not hot- no ac.