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Aftermarket injectors for 1.9 and 2.1 Vanagons
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tencentlife
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PostPosted: Tue Jan 27, 2009 8:01 pm    Post subject: Re: tomcos Reply with quote

sgtpepper wrote:
As per Tencentlife's post, the new tomco disk injectors should have a slightly higher fuel consumption during warm-up - has anyone who runs these experienced this?


Uhh, not me; I don't believe I ever said anything like that.
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sgtpepper
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PostPosted: Tue Jan 27, 2009 10:00 pm    Post subject: Reply with quote

Sorry; I believe your post said that it should run richer during warm-up. My mistake.
OR did I completely misunderstand the whole thing? The higher flow rate of the tomco over the OEM Bosch will be unaccounted for until the engine warms up and the lambda system takes over, thereby causing the engine to run rich until that point - right? please help me understand if I'm wrong - I'm trying to learn as much as I can about the FI system.

Assuming that, has anyone running the tomco disk-type injectors experienced this effect?
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tencentlife
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PostPosted: Tue Jan 27, 2009 10:57 pm    Post subject: Reply with quote

I don't think I ever commented on the Tomco injectors, but if you have the link you can set me right.

If they have a higher flow rate than stock, then what you're saying about running richer open loop would be true, all else being the same.
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sgtpepper
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PostPosted: Tue Jan 27, 2009 11:14 pm    Post subject: Reply with quote

tclark wrote:
mattcfish wrote:
Nic These are "rotory disc" injectors not the standard "pintle" design. Rotory disc designed injectors are less effected by materials that would clog pintel injectors.

I was wondering WHY they are less "effected"

Rotary disk design features a self-cleaning disk (no pintle) to prevent carbon deposits and clogged injectors.

I noted the flow rate is a bit higher
18.13 lbs per hour at 36.25 psi
spec for bosch is
16.1lbs/hr, 36.3 psi


tencentlife wrote:
Quality comparisons aside (and there's no reason to reject these out of hand on that basis except perhaps for jingoistic superstition), and assuming the fit and spray pattern match OEM, tclark has hit on the main factor in compatibility: flow rate. The stock ECU determines injector duty cycle on the assumption that the injectors flow at a given rate at a given pressure. If the injector flow rate is higher, the actual fuel delivered to the intakes would be more under a given set of conditions. If that were all there was to it, you would find your fuel consumption going up by a factor of 18.13/16.1.

But that's not all there is to it. The lambda control system is going to take over and bring the warm-running mixture back to stoich, easily correcting for the higher flow rate, provided your o2 sensor is doing its job.

Where you might see a difference is during warmup, when the ECU runs open-loop, and at WOT when it does the same. Under WOT conditions the extra flow might be a benefit if your engine can utilise the fuel; that's an open question dependent on the state of tune and overall condition of your engine, but my guess is that the extra fuel would just be wasted. Fuel utilisation by these engines in stock tune is already pretty poor.

While warming up, the mixture will be richer, so that is something to watch for if it makes the motor run poorly until it hits the coolant temp threshhold where lambda takes over. Merely adjusting your CO screw is not likely to provide enough correction here; you may actually need to alter the basic AFM setting.

Other than those things, I can't see any good reasons not to give them a try.

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tencentlife
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PostPosted: Wed Jan 28, 2009 8:02 am    Post subject: Reply with quote

Well there ya go.
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Terry Kay
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PostPosted: Fri Sep 25, 2009 7:19 am    Post subject: Reply with quote

I think I'd take a look at this thread prior to tossing your bucks away on injector "rebuilding".

A 100,000 mile injector is and always will be an injector with big miles on it.
Cleaning it sure won't make it brand new.

It isn't going to "Heal' it--back to it's original specifications.

I'd have new waaay before I'd have old crap cleaned and expect new injector performance.
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hdenter
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PostPosted: Sun Aug 22, 2010 3:52 pm    Post subject: Reply with quote

Well, its been a while since this thread was started. How are those Tomco injectors doing? People happy? People sad...?
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sgtpepper
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PostPosted: Sun Aug 22, 2010 6:23 pm    Post subject: refurbish Reply with quote

I ended up sending mine in to witch hunter, as the new tomco / Bosch injectors were too expensive. The difference in performance before and after witch hunter was amazing. It has been a year since I did that and they are still goin' strong. I'm glad I didn't buy new ones.
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indytriple
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PostPosted: Sun Aug 22, 2010 9:12 pm    Post subject: Reply with quote

I can't even find a place that sells the Tomco injectors any more. None of the old links in this thread work. Does anyone have a link to a current vendor? Are these still available? I'd like to consider these as an alternative to new or rebuilt injectors.
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fredn
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PostPosted: Sun Aug 22, 2010 9:53 pm    Post subject: Reply with quote

Check here

http://www.tomco-inc.com/ProductDetailFromSearch.aspx?productId=12976

part # 15501 as referenced in posts above
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fredn
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PostPosted: Sun Aug 22, 2010 9:55 pm    Post subject: Reply with quote

By the way can I use these in my 82 Air cooled vanagon?
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walnutplanter
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PostPosted: Mon Aug 23, 2010 7:40 am    Post subject: Reply with quote

I replaced my original Bosch injectors with Tomco injectors last year. They are working great.
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RCB
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PostPosted: Mon Aug 23, 2010 11:10 am    Post subject: Reply with quote

fredn wrote:
By the way can I use these in my 82 Air cooled vanagon?


Thats an option for you...or stroll on over to Autohaus AZ and get brand new Bosch injectors for about $52.00 each. Part number for our ( I have an 82 too) application is 0-280-150-114.

Free shipping too Very Happy
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Navy_Flyer
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PostPosted: Tue Mar 13, 2012 2:34 pm    Post subject: Beck/Arnley? Reply with quote

Advanced Auto offers both new and remanufactured Beck/Arnley FI's. Any opinion on this type for the 87 Westy 2.1L auto?
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Vanagon Nut
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PostPosted: Mon Sep 10, 2012 1:38 pm    Post subject: Reply with quote

so tclark and mattcfish or anyone with these.....

how are these Tomco injectors holding up?

Their pdf catalogue for 2.1 WBX says:

1992-1986 2.1L (MV) 130"

OEM # 0-280-150-206

PN: 15501

Price for one:

15501 $64.44

Thanks,

Neil.
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a1fa
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PostPosted: Mon Mar 04, 2013 9:47 am    Post subject: Reply with quote

bump.. price went up.. 15501 $64.44
i don't want to buy reman...any other alternatives?
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AtlasShrugged
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PostPosted: Mon Mar 04, 2013 11:49 am    Post subject: Reply with quote

I picked up four of the VW Vanagon GP Sorensen/Tomco/Lucas injectors from AutoZone online Part Number: 800-1206N, normally $32 each. Total price was 127.96..free shipping..Discount of $25.60 with the coupon code: CARLOVE. (may not work now..check latest discount codes online) With sales tax..the charge was $109.54. That's $27.39 each.

GP Sorensen and Tomco just re-badge the Lucas injectors.

Have had them installed for about a week, plug and play..I did not have to readjust the CO. Smooth idle and easy starting. Fuel economy is too early to tell..last tank full was the same MPG..maybe slightly better. Its been very cold here in Georgia.

I think these injectors are a good alternative. The Lucas disc style injector seems like a match for the WBX engines.

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a1fa
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PostPosted: Mon Mar 04, 2013 12:28 pm    Post subject: Reply with quote

I called autozone earlier this morning, and they were NLA. I ended up ordering SMP FJ18 for $44/pop.
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PostPosted: Mon Mar 04, 2013 12:47 pm    Post subject: Reply with quote

a1fa wrote:
I called autozone earlier this morning, and they were NLA. I ended up ordering SMP FJ18 for $44/pop.


I just checked and they are available online at Autozone.com Order using "ship to home". The website says not normally stocked in stores. Anyways..they do have them, just use the website.

Use the discount code SAVE1520 and the total for all four injectors is $102.37 and free shipping.
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PostPosted: Mon Mar 04, 2013 1:21 pm    Post subject: Reply with quote

AtlasShrugged wrote:
a1fa wrote:
I called autozone earlier this morning, and they were NLA. I ended up ordering SMP FJ18 for $44/pop.


I just checked and they are available online at Autozone.com Order using "ship to home". The website says not normally stocked in stores. Anyways..they do have them, just use the website.

Use the discount code SAVE1520 and the total for all four injectors is $102.37 and free shipping.


+1 just verified myself - available online for ship-to-home just as A-S stated. SAVE1520 current and working.
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