Originally Posted by Mr rx-7 tt

RB sets up their carbs to run very rich so you don't have a clue what you are talking about. Secondly a seal won't stick "on the top end" from running lean you dolt. I ran my car EVERYDAY to 10,000 rpm plus on a RB Holley, out of the box. I'd get 120,000 plus miles on every rebuild.

Keep showing your ignorance, and how little you know I am getting a great laugh.

Originally Posted by wankel=awesome

I built several of these for customers of AED in the northeast over the years, and using expense as an imaginary factor, COULD build "proper" 4150 based carbs based on real standards, not shade tree baselines.

And if I seem rude to morons who do sit here and puke out misinformation about the subject, it's because of all the carbs that were actually built to beat lap times, and all the ones destined for REAL track cars, none of the half assed, shade-tree tuning logic found in this thread was used at all... Just simple booster and circuit calibration. No cutting, hacking, drilling, or any of that racket.


You stupid stupid stupid JERK!

No cutting hacking or drilling to tune your 13second nitrous bridge port piece of junk. We have gone 12.0 in a bridge port starlet holley carbed and 10 seconds with nitrous. You are a f*%7ing loser.

You can not build a holley for the street without cutting the trans slot. What don't you get! If you idle you holley and the trans slot is not visible below the throttle blade it will lean out as soon as the trans slot is reaching vacuum.
That leaves you with 2 options
1. cutting the trans slot
2. leaving the idle ridiculously Hi for the street.

READ ANY HOLLEY TUNING BOOK THE TRANS SLOT MUST BE VISIBLE AT IDLE. Extending the trans slot is the exact opposite of drilling a hole in the throttle blade to stay in position with the trans slot on a cammed v8. As drilling a hole will work for a large cammed v8 setting a 900rpm idle for a rotary and then extending the trans slot is what works on are cars.

This is not a hack job and tuning the emulsion circuit is not necessary for pump gas as holley has done a good job of this for you.

The upgrades to my carb are simple.

1. 9776 450cfm
pink cam shaved. Adjusting the spring like you said hurts low end throttle response because the spring is too soft and compresses instead of shooting fuel.
2. 28 shooter
3.double step boosters. yes I have the tool to press them in it was $300
4.extended trans slot necessary for smooth low idle.
5. idle air bleeds that give you some controll over the low end air fuel ratio before the main booster kicks in.
6. jet extensions something you really need to learn about if you are having trouble on the interstate turn ramps. LOL
7. secondary metering block , can't rejet a stock metering plate.

You are major loser and I feel very bad for anybody you have done carb work for.
You have failed where I have succeeded, You are a major chode!!!!

YOU SHOULD BE HAPPY THERE ARE PEOPLE LIKE ME WHO CAN HELP YOU.

Originally Posted by wankel=awesome

They stick from the seal warping from the extreme heat they see at WOT at high RPM's if the tune is too lean, but it doesnt happen over night... IE, one run wont do it. But 30-40 runs down the track take its toll quickly this way. Like it did on the 2 I have on the floor of the shop right now.

Originally Posted by wankel=awesome

I was right on my hunch that Holley was jetting the un-modified 465 differently than what they had 5-10 years prior at that time, and were even using totally different castings at that time as well as a "new" 2 restriction power valve circuit over the old 3 restriction. I took this information back to Jim M., who commented that he was unaware of those changes, and that bench testing the carbs they dont actually run them on an engine, they just do a thorough inspection of the mods made, and check for the correct orifice sizing etc. He said he would attend the dyno testing on the "customers car" which turned out to be a pettit dyno mule.

Originally Posted by wankel=awesome

On day 2, the first of the RB carbs was set up on the dyno mule, and to everyones surprise it (except me) it ran like ****. The tuner present said it looked 10 jet sizes too lean (not rich like you already commented) to the point where it was lean surging and refused to smoothly transition on the primary circuit. Off idle the engine would even cut out and die occasionally. We watched as they removed the first carb to do a direct swap to the 2nd carb I was mailed, and it had similar issues, but interestingly enough was judged as only "8 sizes lean".

End the end, It was Jim M.'s call to bypass the power valve circuit (which they had always used on stockport carbs) and jet from a 49 to a 58. This solved most of the problems, but ran it so pig rich and gave it such shitty throttle response that it felt like the car was downgraded.

Originally Posted by wankel=awesome

Even after those changes, the carb I took home (being the better of the 2) only made 117 RWHP. And this car had RB headers, and the long primary exhaust installed.

Originally Posted by wankel=awesome

After I got it home, I made many calls to RB (as I was directed to stay in touch with the results) about its day-to-day operation. I was averaging 16 MPG highway, and was lucky to get 100 miles to a full tank in the city, but I never averaged its MPG's because of the choked start-ups and long warm ups that that POS required to even make power off idle.

Jim M. commented to me that the changes Holley made to the PVC and low speed circuits for better fuel economy to the standard 465 was responsible for the lack of performance. He also said that thanks to my dyno time and 2 tested carbs, that the jetting and mods would change slightly to better suit the tune.

However, after buying yet ANOTHER in 2012 brand new from RB that had the SAME ISSUES, and went through the same damn problems with, I vowed to never do business with them again. The brand new RB 465 I bought in Oct, 2012 still sits on a shelf in my shop. I made a thread here about my experiences with it and virtually did what Jim did to fix it. Jet it way up, bypass power valve, and lived with its terrible performance for over a year of daily driving.

Originally Posted by wankel=awesome

And it wasnt ME who suggested that changes in gas affected the carbs tune, it was RB when they were grasping for answers as to why they couldnt make carb 1 or carb 2 run on their delivered jetting.

Originally Posted by Mr rx-7 tt

So a bone stock car, no porting went from basically 85 rwhp to 117 rwhp, a 38% increase in hp with just a header and a carb and that is bad? RB claimed ~ 140 with their carb and a header in their brochures. It is performing just as advertised.

Originally Posted by wankel=awesome

Both my car, and pettits mule were running the long primary (streetport) exhaust system.

Originally Posted by wankel=awesome

And I have an '83 nikki right now on an SA manifold with the very same everything (same car) producing 127 RWHP. And it still has vac secondaries, and is still getting me 19 MPG . Plus it has no issues with cornering thanks to a couple tricks I learned from Siranko, then Wackyracer.

Originally Posted by wankel=awesome

Ill be catching the end of DGRR tonight if you want a ride in it. Lol.

Originally Posted by Mr rx-7 tt

To the OP, the RB carbs work fantastic, I used them personally for 20 plus years. I used them in my stock ported cars and in my modified cars. I used them with street ports, with blowers and Nitrous oxide injected systems (150-220 hp shots). They are reliable and they are easy to jet as you modify. It would probably be ideal for your use. Although you wouldn't need to re-jet for street and racing. Plug and play.

Do the oil inj mod though.

Originally Posted by Arcolithe

can you link to the oil inj mod you are specifically talking about? sounds like a good read.

Originally Posted by Arcolithe

only prob with RB carbs is that it would cost an extra couple hundred to get that set up, since they value it as "brand new"

I don't see anything wrong with the edelbrock though, and personally have seen them in shops (as well as mikuni, but I don't like mikuni)

Originally Posted by Mr rx-7 tt

Well I called Racing and talked to Jim and guess what ? wankel=awesome is a liar, as I said.

Jim said "wankel=awesome" purchased a Holley, complained about it so RB said send it back and they will check it out, ignoring the fact you (wankel=awesome) took it all apart without a clue what you were doing. ("you screwed it up")

Racing Beat, specifically Jim, arranged to have a customers car to use to test your carb on. You (wankel=awesome) never sent the carb. You then called back and said the problem was the distributor in the car and it was fixed. Then six months later you called back again complaining and RB said they don't have time for your Shenanigans anymore, and to go away.

You never flew out there. Jim said he would pay you 100 grand if you can prove it and he called you a liar. They never dynoed anything and the 117 RWHP dyno was a lie in the fact they only have and use an engine dyno.

You also used your brothers credit card to pay for the carb and tried to get the
carb sent to your address.

Jim is sending me your invoice with all his notes which I will gladly post when I get it.

So in short, you are a pathological liar, you are giving out bad information and your knowledge is worthless. Jim said you don't have a clue about the carbs and the cars in general.

Jim said their 465 Holly's run perfect as they always have and matter of fact they sold out half way through the year, they work as advertised. There is a reason Racing Beat has been in business for 43 years.

Oh Jim T. said to call him.

Originally Posted by Arcolithe

Didn't get to post for a while, had a bit of a speed bump, sorry this thread caused a flame war. But thank you everyone for the input.

I'm pretty sure to try out the edelbrock first since it sounds like an easy slap on compared to the tuning holley would require. If there is anything to tune, I do want to tune the stock nikki carb.

Still running into a bit of a budget, since the city gave me a citation for working on my car in public view. I need to now worry about investing in a hedge around my house and consider a canvas car port.

luimi I still want to see that holley though! After I replace my differential (bent axle) I will reach out to you.

Originally Posted by Arcolithe

Didn't get to post for a while, had a bit of a speed bump, sorry this thread caused a flame war. But thank you everyone for the input.

I'm pretty sure to try out the edelbrock first since it sounds like an easy slap on compared to the tuning holley would require. If there is anything to tune, I do want to tune the stock nikki carb.

Still running into a bit of a budget, since the city gave me a citation for working on my car in public view. I need to now worry about investing in a hedge around my house and consider a canvas car port.

luimi I still want to see that holley though! After I replace my differential (bent axle) I will reach out to you.

Originally Posted by Qingdao

I'd sugest moving out of that city. You own an RX7 now so thats not gonna be the last time you work on it.


Edelbrocks are great carbs. Just not the most fuel effeciant and not the best to boost through.



BTW this thread is a hilarious flame war.

Originally Posted by wankel=awesome

Hilariously enough, you and he are describing a different customer. Which honestly doesnt surprise me in the first place, considering if they sold out on those pieces of crap they probably had plenty of bitching customers to listen to.

Originally Posted by wankel=awesome

The last carb I bought from RB was in the winter of 2012, and that carb was purchased under a local transmission shop as payment for work I had done for a local rx-3 owner.

And with that carb, I called 1 time after bringing my issues with it here on the forums and mostly getting it squared away. Calling them with that carb resulted in only talking to Jim T about rebuilding it for "possible dirt cloggage" which wasnt helpful at all, in fact I didnt do that and just plugged the power valve and jetted it up like we had done on my previous carb 3 years prior. Some time later, I was offered to buy another one of those carbs when my throttle shafts in that carb looked like crap after just a few thousand miles.

The carb I had the most problems with wasnt a recent purchase at all, as it happened over 5 years ago now. And I did make many phone calls leading up to my flight out there, and almost a year of over-the-phone troubleshooting and them repeatedly blaming a then fresh mazda rebuild@75k miles...

Originally Posted by wankel=awesome

I also dug up the thread related to the last carb I bought, as it is nowhere near the situation you or he described lol

Originally Posted by wankel=awesome

Im especially enjoying it now that RB has assigned me another identity.

Originally Posted by Qingdao

I'd sugest moving out of that city. You own an RX7 now so thats not gonna be the last time you work on it.


Edelbrocks are great carbs. Just not the most fuel effeciant and not the best to boost through.



BTW this thread is a hilarious flame war.

Originally Posted by Mr rx-7 tt

He said they have had ZERO problems from anyone else using their 465's and knew you by name. He also knew where you were from.

Originally Posted by wankel=awesome

Look, all flaming and stupidity aside, you are barking up the wrong tree here. I am not the person or situation related to this, seriously. And you and Jim posting what is someone elses personal information or experiences (that were also apparently negative) publicly here says a lot for the company. You say he knows this person by name... any chances his name was Gerald? And where did he say he was from?

Originally Posted by wankel=awesome

I would also suggest that in the interest of you, or Jim that if we want to get into a battle of identity it should be handled elsewhere, not in this thread.

Originally Posted by Arcolithe

I'm considering if risking the $100 - $500 daily tickets is worth it...
after the hedge or carport I will see. Otherwise I need to sell my fathers goldcrafting equipment and replace it with car dremels, sander units and welding stations!

No seriously though, I need to get into welding.