Gsl-se Rotors In T2 Block?
06-16-2003, 11:48 PM
#11
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Originally Posted by rxseven' date='Jun 16 2003, 07:21 PM
[quote name='j9fd3s' date='Jun 17 2003, 01:33 AM'] i know of a bunch of people who have done it. seems to work just fine. i just dont see the point, s4 na rotors have 9.4 compression without the wieght penalty. of course if you must have 3mm seals getting 74-85 13b rotors are the way to go
mike
mike
yes, thats true, but i have a gsl-se with s4 rotors and a light flywheel and its so responsive, it revs like mad
mike
06-17-2003, 02:16 PM
#12
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I definately wouldn't recommend it and not just because of the added weight, (which by itself would stop me from considering it).
It's the compression ratio that you should really be worried about.
The non-turbo SE rotors are going to run your compression up to the point were you will be in real jeopardy of detonation. I don't need to tell you you don't want that. With the non-turbo rotors it'll
just a matter of time.
It's the compression ratio that you should really be worried about.
The non-turbo SE rotors are going to run your compression up to the point were you will be in real jeopardy of detonation. I don't need to tell you you don't want that. With the non-turbo rotors it'll
06-17-2003, 09:39 PM
#14
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Location: Queens / Long Island, NY
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What are you looking to do with the car the motors going in...? Just drive it on the street, or race it HARD at the track.
87-88 TII rotors compression=8.5
89-91 TII rotors compression=9.0 (big friggin' jump)
84-85 13Bn/a compression=9.4 (even bigger friggin' jump)
There's PLENTY of tricks you can do to hinder detonation. TUNING IS KEY.
SE rotors would be like utilizing a heavier flywheel, (which many DRAG racers do) with the benifits of HIGHER' compression.
RacingBeat says: "If you intend your race engine to run above 8,500 RPM *or if the engine is a non-standard assembly, we recommend balancing the rotating assembly. The rotating assembly includes both rotors, main pulley, front and rear counterweights. and the eccentric shaft. We also recommend balancing the pressure plate and the flywheel on the rotating assembly.
In our experience it is not necessary to re-balance a stock or mildly modified engine operating below 8,500 RPM if the rotating parts were originally intended by Mazda to be used together."
****... for $317.00 you could score a pair of good TII rotors and play it safe. It's DEFINATLY a journey into a trial and error experimentation area, unless you've done it before... but then you wouldn't be asking the question.
87-88 TII rotors compression=8.5
89-91 TII rotors compression=9.0 (big friggin' jump)
84-85 13Bn/a compression=9.4 (even bigger friggin' jump)
There's PLENTY of tricks you can do to hinder detonation. TUNING IS KEY.
SE rotors would be like utilizing a heavier flywheel, (which many DRAG racers do) with the benifits of HIGHER' compression.
RacingBeat says: "If you intend your race engine to run above 8,500 RPM *or if the engine is a non-standard assembly, we recommend balancing the rotating assembly. The rotating assembly includes both rotors, main pulley, front and rear counterweights. and the eccentric shaft. We also recommend balancing the pressure plate and the flywheel on the rotating assembly.
In our experience it is not necessary to re-balance a stock or mildly modified engine operating below 8,500 RPM if the rotating parts were originally intended by Mazda to be used together."
****... for $317.00 you could score a pair of good TII rotors and play it safe. It's DEFINATLY a journey into a trial and error experimentation area, unless you've done it before... but then you wouldn't be asking the question.
06-17-2003, 09:46 PM
#15
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Location: Queens / Long Island, NY
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Oh... and I've asked Atkins about the benifits of milling a rotor to 3mm... and their response was... NO benifits and totally unnecessary. It is done when a 2mm seal can no longer be accepted by a used rotor because of minor damage to the apex groove.
06-17-2003, 11:27 PM
#16
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Originally Posted by sidewinderx7' date='Jun 17 2003, 03:34 AM
the se will accelerate faster because it is alot lighter. I know what you mean though, i had a gsl-se also... but my t2 launches about 10x harder than the se.. lol.
gsl-se 1/4: 16 or so
t2 1/4: 13
but by dang it! That gsl-se was the funnest car. There is something about the first gens thats fun. I would really like to buy another, but its just not practical for me right now
gsl-se 1/4: 16 or so
t2 1/4: 13
but by dang it! That gsl-se was the funnest car. There is something about the first gens thats fun. I would really like to buy another, but its just not practical for me right now
06-18-2003, 10:52 AM
#17
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Location: California
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Originally Posted by rxseven' date='Jun 17 2003, 08:27 PM
[quote name='sidewinderx7' date='Jun 17 2003, 03:34 AM'] the se will accelerate faster because it is alot lighter. I know what you mean though, i had a gsl-se also... but my t2 launches about 10x harder than the se.. lol.
gsl-se 1/4: 16 or so
t2 1/4: 13
but by dang it! That gsl-se was the funnest car. There is something about the first gens thats fun. I would really like to buy another, but its just not practical for me right now
gsl-se 1/4: 16 or so
t2 1/4: 13
but by dang it! That gsl-se was the funnest car. There is something about the first gens thats fun. I would really like to buy another, but its just not practical for me right now
i'm thinking about it
mike
