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Forum: HoseHeads Sprint Car General Forum (go)
Moderators: dirtonly  /  dmantx  /  hosehead

Topic: Gathering info from racers
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THEGOSHOW
July 18, 2019 at 04:45:13 PM
Joined: 11/30/2004
Posts: 103
Reply

We have a 12 head 410 that stumbles mid corner especially if going to the bottom...barrel valve is at 26, we have tried all different pressures and pills with the secondary and even plugged it so it is not the secondary...High speed at 108 with a 68 pill, main pill is 70...Just can not seem to pin point it and it is driving our driver crazy...plugs look a little lean...Would an MSD box act like this we are going that route this week...Car runs good multiple heat wins and a few weeks ago 4 laps away from a feature win at Lincoln Speedway..Any suggestions?



Kb's dad
July 18, 2019 at 05:04:44 PM
Joined: 09/12/2007
Posts: 3
Reply
Reply to:
Posted By: THEGOSHOW on July 18 2019 at 04:45:13 PM

We have a 12 head 410 that stumbles mid corner especially if going to the bottom...barrel valve is at 26, we have tried all different pressures and pills with the secondary and even plugged it so it is not the secondary...High speed at 108 with a 68 pill, main pill is 70...Just can not seem to pin point it and it is driving our driver crazy...plugs look a little lean...Would an MSD box act like this we are going that route this week...Car runs good multiple heat wins and a few weeks ago 4 laps away from a feature win at Lincoln Speedway..Any suggestions?



Had a similar issue several years ago. Car was doing a lot of the things you describe. Had the main pill holder mounted backward and we all overlooked it for weeks while we changed and adjusted everything untill someone finially realized it was wrong. It was so obvious we all just looked past it. lol

 



THEGOSHOW
July 19, 2019 at 05:41:21 AM
Joined: 11/30/2004
Posts: 103
Reply
Reply to:
Posted By: Kb's dad on July 18 2019 at 05:04:44 PM

Had a similar issue several years ago. Car was doing a lot of the things you describe. Had the main pill holder mounted backward and we all overlooked it for weeks while we changed and adjusted everything untill someone finially realized it was wrong. It was so obvious we all just looked past it. lol

 



Thank you have seen that done before by experienced racers also but not the case here...Appreciate the input.



MSPN
July 19, 2019 at 09:07:38 AM
Joined: 11/23/2004
Posts: 3943
Reply

Hey Terry, hope your feeling better, Trev is getting better every night out, have seen him a bunch this year with Speed/Shift....



THEGOSHOW
July 19, 2019 at 01:10:12 PM
Joined: 11/30/2004
Posts: 103
Reply
Reply to:
Posted By: MSPN on July 19 2019 at 09:07:38 AM

Hey Terry, hope your feeling better, Trev is getting better every night out, have seen him a bunch this year with Speed/Shift....



My knee seems to be good and the infection is gone, pic line has been removed so fingers crossed i am good to raise hell again..Trey is doing very well and on path to be 410 rookie of the year at Lincoln...Left one get away with lapped cars and Montieth sneaked by for the win but i am very happy with his first year.



linbob
July 19, 2019 at 02:16:29 PM
Joined: 03/12/2011
Posts: 1649
Reply
Reply to:
Posted By: THEGOSHOW on July 18 2019 at 04:45:13 PM

We have a 12 head 410 that stumbles mid corner especially if going to the bottom...barrel valve is at 26, we have tried all different pressures and pills with the secondary and even plugged it so it is not the secondary...High speed at 108 with a 68 pill, main pill is 70...Just can not seem to pin point it and it is driving our driver crazy...plugs look a little lean...Would an MSD box act like this we are going that route this week...Car runs good multiple heat wins and a few weeks ago 4 laps away from a feature win at Lincoln Speedway..Any suggestions?



call injector manuf., they should be able to help



alum.427
July 19, 2019 at 05:00:29 PM
Joined: 03/16/2017
Posts: 1599
Reply

Stumbling mid corner on the bottom ? So I'm thinking he is on and off the go pedal when this happens ?  Check the shafts and butterflies on the injector.. air/ fuel ratio is causing it as you already understand that. We had a odd issue also, ending up sending unit out to hilborn, they replaced the shaft, 1, and new butterflies. Pounded are heads for 1/2  a season. 



baltimore
MyWebsite
July 19, 2019 at 05:49:23 PM
Joined: 11/30/2004
Posts: 90
Reply

hey Go     been  along time heard you were  wrecked up   glad  your doing better The grandson  is pretty good  and unless you hit the lottery Im sure the team is being ran like the 358 was  do more with less  good luck and         peace out



THEGOSHOW
July 21, 2019 at 04:37:26 AM
Joined: 11/30/2004
Posts: 103
Reply
Reply to:
Posted By: baltimore on July 19 2019 at 05:49:23 PM

hey Go     been  along time heard you were  wrecked up   glad  your doing better The grandson  is pretty good  and unless you hit the lottery Im sure the team is being ran like the 358 was  do more with less  good luck and         peace out



Thank you buddy..It has been awhile! Yes the chassis is 12 yrs old and we picked the 12 head 410 up for 8 grand so running against Central Pa best with very, very little. Had to make the jump at some point and he seems to have taken well to the 410.



THEGOSHOW
July 21, 2019 at 04:40:37 AM
Joined: 11/30/2004
Posts: 103
Reply
Reply to:
Posted By: alum.427 on July 19 2019 at 05:00:29 PM

Stumbling mid corner on the bottom ? So I'm thinking he is on and off the go pedal when this happens ?  Check the shafts and butterflies on the injector.. air/ fuel ratio is causing it as you already understand that. We had a odd issue also, ending up sending unit out to hilborn, they replaced the shaft, 1, and new butterflies. Pounded are heads for 1/2  a season. 



Thank you...Injection was sent out to Kinsler at the start of the year to the tune of a couple grand..Probably has about 8 races on it since then.



THEGOSHOW
July 21, 2019 at 04:44:54 AM
Joined: 11/30/2004
Posts: 103
Reply

Update this week we changed the MSD box just to be sure and went richer on the main and by lap times it got worse....We will try going the other direction...Injectors too big?....The suggestion of talking to the injector manufactuer may be a good step.



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