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midplate in street class cars ? whats your take ?

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Old Aug 5, 2008 | 09:21 AM
  #1  
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Default midplate in street class cars ? whats your take ?

how does everyone feel about allowing a midplate in street class'd cars, such as the sfwd equivelant and the slicked all motor street class ? as good as the solid mounts are, i dont feel they are enough to stop engine movement for these transmissions and gforce shifter combos. (liberty/gforce/magnus/ ETC straight cut/dog transmissions)

how do "you" feel about allowing the billet bellhousing in these class's ?


... speak out !....
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Old Aug 5, 2008 | 09:29 AM
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Default Re: midplate in street class cars ? whats your take ? (DaveF)

i dont see a problem with the bell housings.....


i personally dont think there is any need for the midplates....all that is going to do is give more people the opportunity to complain as they feel that they "cant" go fast with out it (even though the odds are they dont have a car that they race anyways)


on the other side of it...i dont see the midplate giving anybody a "go fast" advantage.

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Old Aug 5, 2008 | 10:07 AM
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Default Re: midplate in street class cars ? whats your take ? (Turbo-charged)

I'd love to see the bellhousings made legal, but allowing the midplate will envolve a lot of chassis work that's not "normal" by any standards in those classes. I've been using solid mounts with the G Force shifter for a while now with no problems.
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Old Aug 5, 2008 | 10:46 AM
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i dont think the street class should allow the midplates. but i dont think they should have dog boxes, strain gauges, etc. either.

i think the guys can afford these nicer parts and do all/most of the labor should move up to the pro classes and keep the street classes for customer type cars and hobbyists; cars, after all, are not their profession.

thats my $.02
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Old Aug 5, 2008 | 10:57 AM
  #5  
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Default Re: (RPRacing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RPRacing &raquo;</TD></TR><TR><TD CLASS="quote">i dont think the street class should allow the midplates. but i dont think they should have dog boxes, strain gauges, etc. either.

i think the guys can afford these nicer parts and do all/most of the labor should move up to the pro classes and keep the street classes for customer type cars and hobbyists; cars, after all, are not their profession.

thats my $.02</TD></TR></TABLE> In 2006 I spent $4500 in broken stock tranny parts. I didnt buy a dogbox for anything other than reliability. You are crazy to build a competitive car without one in any class. If you can spend 7 grand on a turbo setup then 5 grand for a gearset isnt THAT bad.
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Old Aug 5, 2008 | 11:04 AM
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i guess thats my point. you guys are spending crazy money on the "strret" cars.

I think these front running street cars need to move up to hot rod, hot rod needs to have the strictest rules of all the classes to keep the racers like you, joe, miller, tony, etc. competitve, but those llike tran, etc. within reach.

then people will be able to spend the exxtra couple thousand on their actual street cars to be competitive and ultimately be able to make the plunge like you guys have and build all out purpose-built cars.

I don't look down on any of you guys though. You're all still within the rules and ultimately its up to the sanctioning bodies to make the decisions.
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Old Aug 5, 2008 | 11:15 AM
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Default Re: (RPRacing)

the cost of the actual midplate itself, is cheaper than an aftermarket aluminum radiator.


in order to make the jump from sfwd to say hotrod, you are easily looking at 10grand, probably closer to 20. thats a pretty steep jump, IMO


T1, are you using lower torque mounts with your other 3 solid mounts ?
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Old Aug 5, 2008 | 11:18 AM
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Default Re: (DaveF)

I was using the torque mounts last year but switched to the Avid solid mounts this year. Only the 2 sides and 1 rear this year, still good.

Last year i had a rear solid and the front bar on the FR traction bar and it wasn't enough. I could see that the engine was torquing because under power the strain gage voltage didn't quite come back to it's rest position, because it was pulling on the linkage. Putting a solid torque mount on the tranny side solved that last year and the data from this year shows that the strain gage isn't getting loaded at all under torque, so it's still good.
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Old Aug 5, 2008 | 11:24 AM
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Default Re: (rota92)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RPRacing &raquo;</TD></TR><TR><TD CLASS="quote">i dont think the street class should allow the midplates. but i dont think they should have dog boxes, strain gauges, etc. either.

i think the guys can afford these nicer parts and do all/most of the labor should move up to the pro classes and keep the street classes for customer type cars and hobbyists; cars, after all, are not their profession.

thats my $.02</TD></TR></TABLE>

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Old Aug 5, 2008 | 11:27 AM
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Default Re: (RPRacing)

I dont agree. Tell me whats worse. This is over a two year race season.

You have a car that car run a number but you have a stock gearset, Every 5-10 passes or so you break a 2nd gear or hurt a syncro, kill a ring gear and pinion or break 4th gear or even damaging the case or bearings. Honda parts are not cheap and pulling a trans every 5-10 passes can get $$$$ Now you have a mindset that if you are going to a race then you need a good spare tranny just in case it breaks in qualifying on day one. Now you have two trannies to maintain. Over two seasons with all the labor and parts spent you will be over $6500.00. $2000 of that is in quaife lsd's.

This almost made me sell everything because I was so burned out on breaking and pulling the stupid tranny. lol

or

You sack up and buy a good dogbox gearset, have T1 weld the case for you. Build the trans and you are good to race for a long time with no issues. You get more race time and more data to make the car progress without pulling the trany every 5-10 passes.

Gearset $4000.00
quaife $900.00
bearing kit $150.00
weld case $100-200

Times pulling tranny 0


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Old Aug 5, 2008 | 11:43 AM
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Default Re: (uglyasscivic)

i did this a while back on my car and it wasnt allowed by NHRA or NOPI at the time.

https://honda-tech.com/zerothread?id=1608977

I understand where people came from about not allowing us to run it. Either way i dont care waht everyone does, you want to run a mid plate be my guest.

I do feel as though the solid mounts are more then enough to solidify the engine.
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Old Aug 5, 2008 | 12:37 PM
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Would people feel better about custom made solid lower mounts like I had made for rota's car last year ? I think they cost me $100.00 for both mounts.

Or is there some other value to the motor plate that helps the tranny stay together, that I'm missing.

I would think any backyard mechanic trying to make his street car better would be able to come up with his own solid lower mounts, thus keeping in the rules of a street car.

Motor plates are something you see in race cars.

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Old Aug 5, 2008 | 01:02 PM
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Default Re: midplate in street class cars ? whats your take ? (DaveF)


i dont understand the point of allowing an aftermarket gearset, but not allowing the stronger bell housings?

So you spend 5k on a gearset and you cant run a $1500 case in order to protect it?

Who do those rules benefit?

If you are going to build a competitive turbo street/ sfwd style car you have one of two choices. Spend 5k on a gearset or go to the track expecting to shred stock transmissions.
Hellllooooooooo mcfly ? ? ? Its a freaking safety feature in order to protect an investment.

If you cant afford it then quit ya bitchin
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Old Aug 5, 2008 | 01:04 PM
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Default

If you run a billet bell ousing can you do away with a scatter shield?
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Old Aug 5, 2008 | 01:11 PM
  #15  
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Default Re: (rota92)

It's cheaper for some guys to make a midplate than it is to buy aftermarket solid mounts. I've made midplates with a bandsaw and a drill press.
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Old Aug 5, 2008 | 01:11 PM
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Default Re: (cpl racing)

Scattershield is required unless the bellhousing has an SFI sticker, which is a real pain in the *** for the manufacturers. I can almost guarantee you won't see an SFI number on the liberty bellhsouing any time soon.
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Old Aug 5, 2008 | 01:17 PM
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Default Re: (Kevin)

I've seen solid motor mounts made from a mig welder and scrap metal.
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Old Aug 5, 2008 | 01:33 PM
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Default Re: (tony1)

i made some from scrap metal tubing and a tig welder...does that count?


i also have Avid solid mounts in my daily driver, along with the race car
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Old Aug 5, 2008 | 01:40 PM
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Default Re: (miller)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by miller &raquo;</TD></TR><TR><TD CLASS="quote">i did this a while back on my car and it wasnt allowed by NHRA or NOPI at the time.

https://honda-tech.com/zerothread?id=1608977
</TD></TR></TABLE>

..ive seen that car before
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Old Aug 5, 2008 | 01:43 PM
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Default Re: (Turbo-charged)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Turbo-charged &raquo;</TD></TR><TR><TD CLASS="quote">
i also have Avid solid mounts in my daily driver, along with the race car </TD></TR></TABLE>

..does your rear view mirror dance
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Old Aug 5, 2008 | 02:59 PM
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Default Re: (boostfeen)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boostfeen &raquo;</TD></TR><TR><TD CLASS="quote">

..does your rear view mirror dance </TD></TR></TABLE>

its got a hawaian skirt doll attach to it... she does the dancing
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Old Aug 5, 2008 | 03:04 PM
  #22  
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Default Re: (DaveF)


nice, lol
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Old Aug 5, 2008 | 08:13 PM
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Default Re: (tony1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tony1 &raquo;</TD></TR><TR><TD CLASS="quote">I've seen solid motor mounts made from a mig welder and scrap metal. </TD></TR></TABLE>

This is true too.
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