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1000cc Injector users. What brand did you purchase???

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Old 11-12-08, 11:12 AM
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1000cc Injector users. What brand did you purchase???

Hey guys, I need to purchase some 1000cc injectors for my setup soon I'm looking between the PTE injectors and the RC Engineering injectors. I'm wondering what ones you've purchased and what your feelings are on them. I there are any other brands PLEASE let me know about them. Thanks in advance.

-Lance Mayhon
Old 11-12-08, 11:36 AM
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check out yawpower.com

they sell a true 1000cc high impedence injector. They also come with true data like dead times etc.
Old 11-12-08, 11:47 AM
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I don't know the brand, but I bought mine from Kgparts. I'm running them in parallel with 1680's on the secondary and they work great.
Old 11-12-08, 11:55 AM
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Bosch, with FJO injector controller, their awesome.
Old 11-12-08, 12:21 PM
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kgparts
Old 11-12-08, 03:41 PM
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Originally Posted by glenrx7
check out yawpower.com

they sell a true 1000cc high impedence injector. They also come with true data like dead times etc.

thats what i got, full data sheep and flow chart with every injector and at a killer price.
Old 11-12-08, 05:30 PM
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I use RC injectors for a little over 4 years now, i would recommend them.
Old 11-12-08, 05:50 PM
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I got mine from KGparts also. You CANNOT beat the price thats he sells them at. I'm sure if you asked you could probably get flow charts for them.
Old 11-12-08, 06:28 PM
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What's Keith selling? I'm assuming they're Rochesters?
Old 11-12-08, 07:14 PM
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I bought Rochesters from Keith, they work great and are very cost effective.
Old 11-12-08, 07:24 PM
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kgparts here w/ fjo controller used for primaries. If I was buying again I would think about the ones Glen sells (yawpower)..
Old 11-12-08, 07:42 PM
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Originally Posted by sk8world
kgparts here w/ fjo controller used for primaries. If I was buying again I would think about the ones Glen sells (yawpower)..

So why would you do it over again? Any problems with the ones your running now?
Old 11-13-08, 01:11 PM
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Originally Posted by mono4lamar
What's Keith selling? I'm assuming they're Rochesters?
yes, rochester

also have 1200cc Lucas
Old 11-13-08, 02:01 PM
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I second the lucas 1200 disc injectors. I do have an approximated lag time map for these but it would be nice to get one from a reseller. Keith do you have a map for these?
Old 11-13-08, 02:24 PM
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Yawn Power is the way to go. I have them for my engine... 6# 100cc and 6# 720cc


Old 11-13-08, 02:27 PM
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Originally Posted by 95nracer
So why would you do it over again? Any problems with the ones your running now?


No real issues but I was told by keith they have a shitty spray pattern, more of a hose opening and closing compared to a finer spray patter.

The Yawpowers seem like a well designed injector. I also like the shape of them. The 1000's I run (believe rochester's) are short and fat. The have a hard time seating and not hitting the iron= leaks. Now I would be interested in the 1200's keith now sells..
Old 11-13-08, 02:47 PM
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How are the design of the RC Engineering injectors? I like how the 1680cc injectors are nice and slim. My Siemens Deka 850's are pretty fat...
Old 11-13-08, 03:31 PM
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that motor looks so pretty....
Old 11-13-08, 04:16 PM
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Originally Posted by sk8world
No real issues but I was told by keith they have a shitty spray pattern, more of a hose opening and closing compared to a finer spray patter.
I am uploading a video to youtube as I type. I will post it once it is up.
It is a little hard to tell in the video because of the glare I was getting from the lighting behind the flow tubes.



Ok, I believe this is the link even though the video is not showing being processed in my account: http://www.youtube.com/watch?v=i-MjDsXgQro

Injectors from left to right
Far left = Siemens 850cc
2nd from Left = Rochester 1000cc
3rd from Left = Lucas 1200cc (This is what people call an "RC" Injector... thier 1000cc's have same spray pattern
Far Right = Bosch 1680cc

Hope that helps.

Last edited by rxrotary2_7; 11-13-08 at 04:29 PM.
Old 11-13-08, 06:30 PM
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I can't tell from the video but which injectors had the best pattern and which ones kept a good pattern at low injector openings?
Old 11-13-08, 07:02 PM
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marren injection 1000 cc rochy multech types
- all individually blueprint flow matched

drop in ready to fit with dual 11mm top
- and the universal base rubber
( which i have yet to have had any issue in fitting, unlike the later bosch O ring base type )

these arent pintle injectors, more like a plug disk
( different from the RC type disk )
and are a good compromise of response and flow, with excellent pattern

- i have seen superior idle , response and economy on feedback ECU's over old 550's !!

its important to be sure your multechs are flow matched
- as this is there biggest concern
and marren do it for you
Old 11-13-08, 10:09 PM
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Originally Posted by rxrotary2_7
I am uploading a video to youtube as I type. I will post it once it is up.
It is a little hard to tell in the video because of the glare I was getting from the lighting behind the flow tubes.



Ok, I believe this is the link even though the video is not showing being processed in my account: http://www.youtube.com/watch?v=i-MjDsXgQro

Injectors from left to right
Far left = Siemens 850cc
2nd from Left = Rochester 1000cc
3rd from Left = Lucas 1200cc (This is what people call an "RC" Injector... thier 1000cc's have same spray pattern
Far Right = Bosch 1680cc

Hope that helps.
Thanks for the video Keith. The Lucas injectors IMO spray like a hose. I love the pattern of the Bosch 1680's it's very broad and is the best candidate to atomize. I would honestly rate them (best to worst) as Bosch, Rochester, Siemens, and lastly the Lucas. Have you flowed any of the PTE's or RC 1000cc injectors yet? I'm really looking toward the RC's or the Rochesters at this point...
Old 11-13-08, 10:48 PM
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Just saw your one video of some RC 1000cc injectors. Their pattern is pretty non existent. I'll be calling you tomorrow to settle my previous invoice and to make a new on concerning these Rochesters . You better be by the phone.
Old 11-14-08, 07:21 AM
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Originally Posted by bumpstart
its important to be sure your multechs are flow matched
- as this is there biggest concern
and marren do it for you
we match them also.
If not mistaken, Marren gives you the option to have them flow matched or not. matched set from them costs additional $
You are correct though... at one point (not sure what it is now) these injectors had an allowable variance of 10% at the factory
Old 11-14-08, 07:25 AM
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Originally Posted by fritts
I can't tell from the video but which injectors had the best pattern and which ones kept a good pattern at low injector openings?

That is a good, but tricky question. Fuel pressure alters this more so on the Lucas (what people call "RC") and the Rochester (what people call "PTE's")...

Last edited by rxrotary2_7; 11-14-08 at 07:44 AM.



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