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jet size ???? #457497 09/02/09 11:13 AM 09/02/09 11:13 AM
Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio 70dusterjohn OP top fuel
70dusterjohn OP top fuel Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio	I have a friend that I went to the track with, he has a 500in dart with -1 heads, he has a 1050 AED carb and started the jets at 95.. went 10.17 off the trailer, then back up run 10.07 132. Came back and I put 97 in it and ran a 10.03 135. I'm just wondering how big you guys are run.. The timing is set at 36.. Is there any room for movement... thanks..

Re: jet size ???? [Re: 70dusterjohn] #457498 09/02/09 11:25 AM 09/02/09 11:25 AM
Joined: Aug 2003 Posts: 43,185 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,185 Bend,OR USA	Jet for MPH and watch for the weather affects at the same time. Is this a new motor and first time out? if so don't change anything until it settles in, some BB Mopars motors take as many as 12 runs before they will qiut getting faster Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: jet size ???? [Re: Cab_Burge] #457499 09/02/09 11:29 AM 09/02/09 11:29 AM
Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio 70dusterjohn OP top fuel
70dusterjohn OP top fuel Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio	No, its been together for about 4 years, but only has maybe 15 to 20 runs on it. He wants that 9 second time slip.. It picked up almost 4 mph with the jet change ....

Re: jet size ???? [Re: 70dusterjohn] #457500 09/02/09 11:32 AM 09/02/09 11:32 AM
Joined: Aug 2003 Posts: 43,185 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,185 Bend,OR USA	Quote: No, its been together for about 4 years, but only has maybe 15 to 20 runs on it. He wants that 9 second time slip.. It picked up almost 4 mph with the jet change .... keep tuning until it slows down Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: jet size ???? [Re: Cab_Burge] #457501 09/02/09 11:36 AM 09/02/09 11:36 AM
Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio 70dusterjohn OP top fuel
70dusterjohn OP top fuel Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio	How bout the timing.. Should I change it or leave it a 36??? Its a crank trigger set up.. Thanks Cab..

Re: jet size ???? [Re: 70dusterjohn] #457502 09/02/09 11:54 AM 09/02/09 11:54 AM
Joined: Aug 2003 Posts: 43,185 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,185 Bend,OR USA	Quote: How bout the timing.. Should I change it or leave it a 36??? Its a crank trigger set up.. Thanks Cab.. Only one way to find out I like 34 to 36, not all BB Mopars are the same, try 34 and then try 38 at the track the same day. look closely at the plugs, at least two, and then the ET slip, all of it Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: jet size ???? [Re: Cab_Burge] #457503 09/02/09 11:58 AM 09/02/09 11:58 AM
Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio 70dusterjohn OP top fuel
70dusterjohn OP top fuel Joined: Aug 2006 Posts: 1,613 Deerfield, Ohio	Copy that.. I'll give it a try.. Thanks again Cab..

Re: jet size ???? [Re: 70dusterjohn] #457504 09/02/09 12:36 PM 09/02/09 12:36 PM
Joined: Jun 2004 Posts: 1,217 Wellington, FL C cudabunch pro stock
cudabunch pro stock C Joined: Jun 2004 Posts: 1,217 Wellington, FL	What did it run in the 1/8 time and mph ? What does the car weigh?

Re: jet size ???? [Re: Cab_Burge] #457505 09/02/09 03:22 PM 09/02/09 03:22 PM
Joined: Jan 2003 Posts: 4,722 Moved to N.E. Tennessee GomangoCuda master
GomangoCuda master Joined: Jan 2003 Posts: 4,722 Moved to N.E. Tennessee	Quote: Quote: No, its been together for about 4 years, but only has maybe 15 to 20 runs on it. He wants that 9 second time slip.. It picked up almost 4 mph with the jet change .... keep tuning until it slows down Yep, If it reacted that well to your jet change then I bet it wants more. Only one way to find out. Let it eat. If you get to the point were more jet won't speed it up or slow it down then something else is metering the fuel. At that point you need to look at the entire fuel system from tank pickup to carbs to find the restriction. In theory, there is no difference between theory and practice. In practice, there is.

Re: jet size ???? [Re: 70dusterjohn] #457506 09/02/09 09:01 PM 09/02/09 09:01 PM
Joined: Jan 2003 Posts: 17,918 Akron, Ohio ProSport I Live Here
ProSport I Live Here Joined: Jan 2003 Posts: 17,918 Akron, Ohio	John my combo is identical. I've only got 3 full 1/4 mile passes(9 1/8 mile passes) on it but every time I jet up it goes faster, I'm up around 96 or 97 jets right now. I bumped the timing around and it seemed to run the same ET anywhere from 34-38 so I left it at 34. 1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual

Re: jet size ???? [Re: ProSport] #457507 09/02/09 09:34 PM 09/02/09 09:34 PM
Joined: Jan 2003 Posts: 1,369 Ohio 3404 pro stock
3404 pro stock Joined: Jan 2003 Posts: 1,369 Ohio	I'm up to 97/98 with a Cubic 1150 Dominator on my 540 at 34-35 timing. I'm still thinking I can go more by the EGT.

Re: jet size ???? [Re: 70dusterjohn] #457508 09/02/09 10:05 PM 09/02/09 10:05 PM
Joined: Jun 2009 Posts: 644 Minnesota Barnstorm mopar
Barnstorm mopar Joined: Jun 2009 Posts: 644 Minnesota	Similar setup maybe [14-1] 1150 dom 100 square, C-14. 38 timing. Rarely change the jet. 5458674-mopar_resize.jpg (31 downloads) The little old lady from Pasadena is back!

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