1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

13 Second RX7! How?

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Old 02-25-13 | 02:29 PM
  #26  
peejay's Avatar
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Originally Posted by hiboost7
bridge port 13b, and some weight reduction, should be good for 13's
I did high 13s with a street port nonturbo T2 engine, a half bridge nonturbo T2 engine, and a full bridge N/A 4-port 13B.

My car weighs a bit more than stock.

Now, if you're like me, "13s" means 12.7-13.4ish.
Old 02-25-13 | 02:39 PM
  #27  
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1st gens are pretty light so it shouldn't be that hard if you're running close to 200hp

Rotary >Pistons
Old 02-25-13 | 03:35 PM
  #28  
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From: https://www2.mazda.com/en/100th/
Originally Posted by peejay
I did high 13s with a street port nonturbo T2 engine, a half bridge nonturbo T2 engine, and a full bridge N/A 4-port 13B.

My car weighs a bit more than stock.

Now, if you're like me, "13s" means 12.7-13.4ish.
my car is really light, but the only real yardstick i have is what it hangs with down the straight on the race track, the real race track, the kind with turns.
Old 02-25-13 | 04:41 PM
  #29  
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Mine weighs 2275#s... thats minus my 180# ***, but includes a quarter tank of fuel. Junkyard scales, Its accurite

I'm pretty durn stock as possible on the interior except I took out the rust promoting foam stuff in the trunk.

Under the hood I'm not near stock. All I have other than the engine is the alternator. And From what I gather the OE headers are heavy as sin & I've got FC RB headers.

As for HP numbers I think all of you have lost your minds, but that aside. I'd say I've got a concervative 150hp... Maybe. Street port (MILDLY) S4 rotors, and a three inch exhaust all the way back with a 600cfm four barrel to feed it (tuned VERY correctly). And a 100% stock split diff drive train.

Now I haven't actually timed my car; however I've been in some quick cars before. This car is a wee bit slower in a strait line than my MX-3 and I'd say 15+ seconds....

That being said I want to see proof.\



EDIT: also why does it matter? this isn't a strait line mussel car... its a curve carver.
Old 02-26-13 | 12:15 PM
  #30  
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From: delaware
15sec 1 gen 600 Holley. Dude if u want ill fix ur car
Old 02-26-13 | 02:06 PM
  #31  
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lol, a stock FC na is a 15 second car, dropping 600+ lbs should do SOMETHING
Old 02-26-13 | 02:25 PM
  #32  
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I don't know what the issue is here; my car gets to 60 much quicker than 13 seconds.
Old 02-27-13 | 08:29 AM
  #33  
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^Mines doin it in 7 with an RB holley with a crack in the main body.
Old 02-27-13 | 11:54 AM
  #34  
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Originally Posted by DivinDriver
I don't know what the issue is here; my car gets to 60 much quicker than 13 seconds.
Trolling is fun
Old 02-27-13 | 04:34 PM
  #35  
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Originally Posted by sommmatt
Trolling is fun
Only when done effectively!
Old 03-01-13 | 12:06 AM
  #36  
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Originally Posted by DivinDriver
I don't know what the issue is here; my car gets to 60 much quicker than 13 seconds.
Muahaha

Nice to read that a full 13bt TII swap with transmission and a GSL rear end with 15x7 sticky tires will land me in the 13's though. Will be racing my uncle in a 70 GT Torino and it will be fun to beat him with a 13b vs a 351 Windsor
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