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nos cheater plate jetting size?? #2524146
07/19/18 04:24 PM
07/19/18 04:24 PM
Joined: Jan 2003
Posts: 1,365
elmira ny
hp340nos Offline OP
pro stock
hp340nos  Offline OP
pro stock

Joined: Jan 2003
Posts: 1,365
elmira ny
im currently running an nos cheater plate at .055n/.045f timing at 30*and flowing fuel pressure at 5 1/4 lbs.what would be my next size up in jets without getting to wild??thanks

Re: nos cheater plate jetting size?? [Re: hp340nos] #2524163
07/19/18 05:07 PM
07/19/18 05:07 PM
Joined: Dec 2013
Posts: 4,651
Wichita
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GY3 Offline
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Wichita
As I recall, Monte Smith said these were pretty rich when jetted "square"?

Screenshot_20180719-140609.jpg
Last edited by GY3; 07/19/18 05:10 PM.

'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: nos cheater plate jetting size?? [Re: GY3] #2525769
07/23/18 10:54 AM
07/23/18 10:54 AM
Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
an8sec70cuda Offline
I Live Here
an8sec70cuda  Offline
I Live Here

Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
iagree That'll be rich. Monte always suggested starting w/ a 10 jet spread.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: nos cheater plate jetting size?? [Re: an8sec70cuda] #2525876
07/23/18 02:57 PM
07/23/18 02:57 PM
Joined: Jan 2003
Posts: 1,365
elmira ny
hp340nos Offline OP
pro stock
hp340nos  Offline OP
pro stock

Joined: Jan 2003
Posts: 1,365
elmira ny
monte gave me some updated tune ups yrs ago and i cant seen to find them.the ones above are very rich i agree.

Re: nos cheater plate jetting size?? [Re: hp340nos] #2526844
07/25/18 12:41 PM
07/25/18 12:41 PM
Joined: Apr 2005
Posts: 1,322
Michigan
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crlush Offline
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Posts: 1,322
Michigan
I have some numbers written down at home that nos gave years ago that i know are different then the above.







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