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Tunnel ram / carb position question
#327244
05/24/09 05:41 PM
05/24/09 05:41 PM
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Joined: Jan 2003
Posts: 2,129 Vermont
TrWaters
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,129
Vermont
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Picture this. Tunnel ram intake with a single Dominator carb. The questions are:
Is there any known advantage to having the carb mounted straight ahead, on a slight angle, or sideways?
Is there any known advantage to having the carb mounted centered front to back, slightly towards the front, or slightly to the rear?
I realize there are many variables. General answers are what I am looking for.
Thanks.
TR Waters
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Re: Tunnel ram / carb position question
[Re: Cab_Burge]
#327246
05/25/09 09:53 AM
05/25/09 09:53 AM
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Joined: Feb 2004
Posts: 6,257 acworth / N. georgia - south e...
cheapstreetdustr
master
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master
Joined: Feb 2004
Posts: 6,257
acworth / N. georgia - south e...
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ive got a few tunnel rams.. singles and daul carb.. first impression..the single carb...just looks wrong.. the spread between the rear 4 and the front 4 just looks too far apart for a single carb to work efficiently... but its just an observation...? cheapst.
365" Iron J heads,,3480lbs best 1.39 60ft on SS springs.10.54,124 mph ...6.67 1/8th et.average 60fts 1.46 w/ small cam &.063 no2 pill tagged & insured [image][/image]
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Re: Tunnel ram / carb position question
[Re: cheapstreetdustr]
#327247
05/25/09 01:28 PM
05/25/09 01:28 PM
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Joined: Jan 2003
Posts: 2,129 Vermont
TrWaters
OP
top fuel
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OP
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Joined: Jan 2003
Posts: 2,129
Vermont
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Two replies, neither of which have anything to do with the question that was asked. Thanks anyway.
TR Waters
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Post deleted by Defbob
[Re: TrWaters]
#327248
05/25/09 03:18 PM
05/25/09 03:18 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: Tunnel ram / carb position question
[Re: TrWaters]
#327249
05/25/09 04:51 PM
05/25/09 04:51 PM
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Joined: Nov 2004
Posts: 2,119 sc
tjmarcus1
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Joined: Nov 2004
Posts: 2,119
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Quote:
Two replies, neither of which have anything to do with the question that was asked. Thanks anyway.
i'm still not sure if this has anything to do with the question , but you can't put one carb anywhere, or turn it anyway to make it work efficiently on a t/r. i've been running t-rams for 25-30yrs. they were meant for 2 carbs.
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Re: Tunnel ram / carb position question
#327251
05/25/09 07:54 PM
05/25/09 07:54 PM
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Joined: Oct 2007
Posts: 4,206 New York
polyspheric
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master
Joined: Oct 2007
Posts: 4,206
New York
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twist to place carbs more inline with the ports
Yup - the port offset is 1 rod width or about 1", and the closer the top is to the ports vertically, and the smaller the plenum volume is, the more important it should be. I wouldn't be surprised if some had anti-reversion stubs underneath that flared out asymmetrically to help this...
I have a feeling that high G cars may need the carb bumped forward a tiny bit to allow for the accel moving the fuel toward the back ports.
Boffin Emeritus
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Re: Tunnel ram / carb position question
[Re: polyspheric]
#327252
05/26/09 09:32 PM
05/26/09 09:32 PM
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Joined: Jan 2003
Posts: 2,129 Vermont
TrWaters
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,129
Vermont
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I dont dispute the fact that 2 may work better than one. I was just interested in the placement if one carb was used. This particular top is a Hogan's , and it does have diversion underneath. Thanks.
TR Waters
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