F1X Procharged Z06 Killed 3 Fuel Pumps!!
08-02-2016, 07:46 PM
#1
F1X Procharged Z06 Killed 3 Fuel Pumps!!
I am lost man. Very frustrating. Original pump lasted 200 miles with the procharger, second pump 20 miles,third pump didn't even make it to the dyno. $900 per pump. Vengence racing stage 2 cam kit, F1X car made 1000rwhp. Can anyone help with some input on this? Thanks.
Last edited by Dameian; 08-02-2016 at 07:46 PM.
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08-25-2016, 11:40 AM
Former Vendor
VR always supports our customers before/during AND AFTER the sale.
08-02-2016, 07:54 PM
#2
Pro
08-02-2016, 09:18 PM
#3
ICE enthusiast
where are you doing all of your work?
and does the cam have the added fuel lobe?
and does the cam have the added fuel lobe?
08-03-2016, 09:58 AM
#5
Supporting Vendor
ya which pump are you killing high side or low side? since the first c7 we did years ago and all the countless c7's we have done since we have yet to ever have one fail. Not saying they can't because even puppies die new, but 3 in a row something is up man.
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Cordes Performance Racing aka "CPR"
Owner of AZ's premier LSX/LTX motorsports shop
http://cordesperformanceracing.com/
www.facebook.com/cordesperformanceracing.com
joe@cordesperformanceracing.com
480-359-5914
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Ahmed_otb (08-03-2016),
Fastmikefree (08-23-2016)
08-03-2016, 11:20 AM
#7
Supporting Vendor
08-03-2016, 12:23 PM
#8
If its the HFPP and it has the cam lobe that could be the issue. The rod is getting lifted to much and taking out the pump. Some guys have had the bolts that hold the pump down onto the block actually break because the pump was being pushed to much.
08-03-2016, 02:11 PM
#9
I believe the guys that have had the bolts break or pull out also had a lash cap. I am sure like anything there is a limit on the size of the fuel lobe before the reliability of the pump goes out the window.
08-03-2016, 02:19 PM
#10
Supporting Vendor
32% on all of them and absolutely zero failures here.
08-03-2016, 02:39 PM
#11
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32% on all Z06's or on LT1s?
Has anyone measured an LT4 cam lobe to compare it to the LT1 lobe and a 32% lobe?
It has been measured that the LT4 pump has less room to increase with more lobe or lash cap as it is just a bored and stroked version of the LT1 pump so that extra space is already taken or mostly taken up.
Has anyone measured an LT4 cam lobe to compare it to the LT1 lobe and a 32% lobe?
It has been measured that the LT4 pump has less room to increase with more lobe or lash cap as it is just a bored and stroked version of the LT1 pump so that extra space is already taken or mostly taken up.
08-03-2016, 02:46 PM
#12
Supporting Vendor
32% on all Z06's or on LT1s?
Has anyone measured an LT4 cam lobe to compare it to the LT1 lobe and a 32% lobe?
It has been measured that the LT4 pump has less room to increase with more lobe or lash cap as it is just a bored and stroked version of the LT1 pump so that extra space is already taken or mostly taken up.
Has anyone measured an LT4 cam lobe to compare it to the LT1 lobe and a 32% lobe?
It has been measured that the LT4 pump has less room to increase with more lobe or lash cap as it is just a bored and stroked version of the LT1 pump so that extra space is already taken or mostly taken up.
08-03-2016, 03:19 PM
#13
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08-03-2016, 03:28 PM
#14
Supporting Vendor
Never measured them. But we are using comps 32% lobe. I'm not saying we are doing anything special but having done so many c7's and Z's with many of the c7's having a Z hpfp because we do so much e85 setups we have yet to ever have one fail.
08-03-2016, 03:35 PM
#15
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lobe with no lash cap seems to be the way, haven't heard a lot of lash cap builds lately.
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GSpeed (08-22-2016)
08-03-2016, 04:17 PM
#19
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there's your answer. stop using the lash cap.