Quote:
Originally Posted by XfireZ51
Brad,
What do you mean "lot more power"? Please give us something quantitative.
We know how reliable SOTP is.
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dominic , what i did was i dynod the car with the stainless works/ obx style then went and took off the headers of the 90 which has a blown head gasket ugh . and put them on the 92 and re dynod the car 2 day later on the same dyno and the car made 17 more rwhp and 6ft pound of tq more than with the stainless works set up . the only thing that was changed was the headers . what i found was the stainless works /obx headers primary pipes ranged from 10in to 24 in and the collector really pinched off where the primary pipes ended into the collector . in fact when i took the car to coreys a couple of years ago after putting headers on . the first pull on the car only netted a 3 wrhp difference 372 was stk and 375 was the first pull . corey did his magic and got it to 389rwhp now granted it was 2 different dynos. but it no where came close to the improvement i got from my 90 when i installed the jeal headers. that car went from 331 stk to 368 with just the header change . those tests where done on the same dyno but 1 month apart. the jeal headers primary pipe lengths were short 22in -24 in and the collector was a true collector not this pinched off thing. . also when i started taking the 92 to the strip the car trapped 112.6-113.2mph stk and after the install and coreys tune only went to 114.9-115.6 . i found extra power when i changed out the corsa which was on it stk to a 3in xpipe then went with the stk 23/4in pipe to 3 in super turbo mufflers with dual exits to keep a stk look . it now traps 117.5 118.6 depending on the da that day(that was still with the stainless headers ) . i have g teched the car with the jeals and it is up almost 2 miles ann hr over the gtech runs with the old setup . i hope to try to find some time this next month to validate my g tech numbers with real drag strip numbers . . to give a hint my 90 which only has coreys porting tune jeal headers and dr gas 21/2 exhaust trapped a high of 119.47 miles an hr . the da that day was almost 3000 ft . the 92 has the callaway porting in the inj housings and plenum and also has porting done on the heads .. pete was telling me that the callaway porting was not very good .soon as i get strip numbers i will post the videos and slips for everyone to ck out and decide for themselves which way they want to go .