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ls1...eerrr SBC rx7 *56K* Danger to manifold

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Old 04-01-2007, 01:16 PM
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ya i was 2800 but 12s will be no prob im sure especially if it half *** hooks
Old 04-01-2007, 08:58 PM
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well i got in 4 runs today and went from a 13.9 to a 13.3 so with a little more practice i think a 12 might just, just be doable, i also let off at the end of the quarter cause i was at 6200 rpm, looks like i need bigger tires and ratio.

but overall i am very pleased with a 13.302 at 99.29mph for a all motor pull

Last edited by cyipher; 04-01-2007 at 09:09 PM.
Old 04-02-2007, 11:49 AM
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ya i ran 12.5 @115 just screamin it through the traps to 6800
Old 04-02-2007, 12:52 PM
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i lost a good 50-75 ft, in coast time at the end of the quarter, ill post video later.

Old 04-02-2007, 06:25 PM
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Video up

Old 04-05-2007, 12:23 AM
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finished up the nitrous wiring and installing a window switch

Also got a ford 8.8 with 3.55 gears and a brand new positrack for 250.00




Old 04-05-2007, 12:28 AM
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i ran that exact window switch you will love it
Old 04-05-2007, 12:47 AM
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Originally Posted by tirefryin_s10
i ran that exact window switch you will love it
what were your activation points?

i have mine set to
3000 on
6100 off
revlimit 6200

Ive heard nothing but good things about it so ide figured i would try it.
Old 04-05-2007, 12:50 AM
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i had mine at between 2500-3000 and off about 6200 rev limiter at 6500
Old 04-05-2007, 12:55 AM
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what type of valvetrain? hydroloic, roller, flat tappet?
Old 04-05-2007, 05:42 AM
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mine was hyd flat tappet with roller rockers 4 bolt main motor balanced etc the nitrous/digital window switch i usedi n my second gen rx7 last year the first gen i had 2 years ago and ran 12.5 @115 all motor
Old 04-05-2007, 10:43 AM
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Originally Posted by tirefryin_s10
mine was hyd flat tappet with roller rockers 4 bolt main motor balanced etc the nitrous/digital window switch i usedi n my second gen rx7 last year the first gen i had 2 years ago and ran 12.5 @115 all motor

did you lighten the car at all or stock weight?
Old 04-05-2007, 09:29 PM
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the first gen had a bit of weight pulled :

Poly bucket seats:
no stereo
cut out stock spare tire well put in a flat piece of sheet metal
mounted 16 gal aluminum cell under floor at rear
single 3" exhaust
no front sway bar
nothing crazy but im sure i shed 50-100 lbs with the above items The car was alot slower then my second gen i ran this past year but was probably twice as much fun/handful on the street being that it ran 12.50 all motor meant that it was an all the time 12.50 car no filling the bottle etc i have no doubt in my mind that with a 150 shot and a proper diff and some slicks it would have went easy 10s at my elavation
Old 04-08-2007, 12:10 AM
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http://cgi.ebay.com/ebaymotors/RX-7-...QQcmdZViewItem
Old 04-16-2007, 02:19 AM
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rear end is done, gotta get a brake line made tomorrow and i can stuff it....


Old 04-16-2007, 05:10 AM
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WOW great job man no messin around eh.... glad you took the advice to go with a real diff.... now the car will be 100% more fun
Old 05-07-2007, 12:57 AM
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and finally exhaust



Old 07-14-2007, 09:57 PM
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Time update: 12.67 on motor. 12.03 on the 125 jets, running out of gear again and at 4800 ft asl. full interior full tank of gas.
Old 07-14-2007, 11:56 PM
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Not bad at all
Old 07-15-2007, 09:20 AM
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not bad at all but i bet its got alot more in it with a gear swap


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