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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. |
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03-03-2009, 12:44 AM | #1 |
Rotary Fanatic
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Banzai vs Racing beat
So im looking to buy motor mounts for my new project and was think of either getting the
banzai motor mount kit for 170 or racing beat 40% stiffer than stock motor mounts, the Torque brace, and the banzia tranny mount for 200 Which do you guys think is better. i really think the torque brace is pretty cool. if i get that and the 40% stiffer mounts do you think that will be better/worse/equal to the banzia racing kit?
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1988 Fc Vert. Super Stock 1990 Fc Hard top: Brideported 13b, weber carb, 350z wheels w/nitrogen, or 16in BBS meshies, Msd, Racaro Racing Seats, Custom Gauge cluster, custom Intake, Relocated Battery, 3inch header back borla exhaust system, Alpine stereo system, Wire tucked, S4 shift boot&knob, custom Strut bar, And soon to come a Full black w/ gold pearl paint job, powder coated break calipers, all black interior, bride headliner/door panels. |
03-03-2009, 06:52 AM | #2 |
Sigh.....
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You can read my (i.e. other people who know more than I do) thoughts on aftermarket motor mounts there.
http://rotarycarclub.com/rotary_foru...ead.php?t=6559 However, Racing Beat appears to sell the Mazda comp mounts, so I would personally go for them.
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1986 Sport: 132k miles, 5A (Sapphire Blue Metallic), Tokico Blues, Racing Beat Springs, Custom LED tailights (only S4 LED tails in the world), SSR Mark II, Racing Beat exhaust, S5 black interior, Rotary Resurrection rebuild at 120k miles Community Service Manual RotorWiki "Imagination costs nothing; we could build square locomotives or fly to Mars" - Felix Wankel Yesterday is history, tomorrow is a mystery, but today is a gift. That is why it is called the "present." |
03-03-2009, 10:34 AM | #4 |
RCC Addict
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BTW - engine torque brace is good no matter what. Since our engines mount very low (and in the case of FCs - very 'narrow' mounts) the top of the motor does move a lot...
If you plan to use a larger turbo, or custom IC setup - the torque brace will give you a little breathing room on running pipes, etc so it doesn't wack the shock tower every time you lay down some power... |
03-03-2009, 12:37 PM | #5 |
My minds tellin' me no...
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Ask Garfinkle why that torque brace does not do enough for FC's. He talked me out of it long ago.
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1976 Mazda Cosmo RX-5 1976 Mazda Cosmo RX-5 2003 Toyota Tundra TRD 2015 Toyota 4Runner SR5 |
03-03-2009, 12:58 PM | #6 |
crash auto?fix auto
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FC's would need a brace in line with the motor mounts, so its not twisting the engine I presume?
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03-03-2009, 01:05 PM | #7 |
My minds tellin' me no...
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Yes sir.
That is why functional braces (like Garfinkle's) mount to the rear of the engine. This also helps to keep shifts positive. It works!!
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1976 Mazda Cosmo RX-5 1976 Mazda Cosmo RX-5 2003 Toyota Tundra TRD 2015 Toyota 4Runner SR5 |
03-03-2009, 01:34 PM | #8 | |
rotors excite me
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The RB brace mounts to the back, too... Part number 14031 or 14032
"The Racing Beat-designed Engine Torque Brace, available for all 1979-92 RX-7s..." Which explains why the picture is of a first gen.
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He isn't a killer. He just wins -- thoroughly. '87 TII 240+ rwhp on my DIY streetport, ~13psi on stock turbo, Racing Beat REVTII exhaust rTek 2.1 awaits a tune Quote:
Last edited by Ender; 03-03-2009 at 01:37 PM.. |
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03-03-2009, 01:39 PM | #9 | |
Rotary Fanatic
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Quote:
I have some 2nd hand banzai mounts, they are basically a bolt through a block of polyurethane, the guy who sold them to me said he didn't like the vibration, i havent put them on yet, but i have a broken stock mount on the T2 so i should get this in this week. I'll let you know what i think.
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My car blows up everytime I start it, it's rotary |
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03-03-2009, 02:01 PM | #10 |
Rotary Fanatic
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thanks. so has anyone had any luck with using hocky pucks. sounds kinda ghetto to me but it is alot cheaper. anybody that has done it? good or bad?
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1988 Fc Vert. Super Stock 1990 Fc Hard top: Brideported 13b, weber carb, 350z wheels w/nitrogen, or 16in BBS meshies, Msd, Racaro Racing Seats, Custom Gauge cluster, custom Intake, Relocated Battery, 3inch header back borla exhaust system, Alpine stereo system, Wire tucked, S4 shift boot&knob, custom Strut bar, And soon to come a Full black w/ gold pearl paint job, powder coated break calipers, all black interior, bride headliner/door panels. |
03-03-2009, 02:25 PM | #11 |
Sigh.....
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So they'd be like the Banzai mounts? Sorry, couldn't resist.
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1986 Sport: 132k miles, 5A (Sapphire Blue Metallic), Tokico Blues, Racing Beat Springs, Custom LED tailights (only S4 LED tails in the world), SSR Mark II, Racing Beat exhaust, S5 black interior, Rotary Resurrection rebuild at 120k miles Community Service Manual RotorWiki "Imagination costs nothing; we could build square locomotives or fly to Mars" - Felix Wankel Yesterday is history, tomorrow is a mystery, but today is a gift. That is why it is called the "present." |
03-03-2009, 04:08 PM | #12 | |
crash auto?fix auto
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Quote:
But used plenty different variations of the "bolt through" mounts. Personally, with only the engine mounts replaced with bolt through types, the vibration is really not that bad. Very very tolerable. If you do them on the tranny too..........it'll get a thousand times worse. |
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03-03-2009, 03:02 PM | #13 |
Compression Tester Man
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Installed the torque brace on my S5 NA and it was a real PITA to install. Not only that, I didn't notice a significant improvement in the motor/tranny movement when releasing the clutch in reverse or first gears. So when I had work done on the tranny, I removed it. Gave it to the guy who bought the car.
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03-03-2009, 04:04 PM | #15 |
My minds tellin' me no...
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There are two issues with the RB brace:
1) The arm for the brace goes to the wrong side of the engine bay (should go to the passenger side) 2) There is no real support for the brace where it mounts to the sheet metal (can rip out f you have enough torque and a bad engine mount) Look up Garfinkle's under his Vendor forum here. It is NICE.
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1976 Mazda Cosmo RX-5 1976 Mazda Cosmo RX-5 2003 Toyota Tundra TRD 2015 Toyota 4Runner SR5 |