408 w/ vic jr. dyno #'s after T/B change!
05-20-2010, 07:39 PM
#181
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Yea and that only happened on the mass air cars. Put a bigger TB on a 86-87 SD 5.0 and it picked up.
I know one fast LT1 guy who is going to a 4500 TB over his previous elbow/tb set up. For me, Ill probably stick to a 4150 for the clearence. Accell makes a 4150 style that flows over 1500 cfm, but its just two big throttle blades so Im wondering if it would really benefit.
http://www.accel-dfi.com/ProductDeta...minselection=0
Seems there would still be tip in issues with that one.
I know one fast LT1 guy who is going to a 4500 TB over his previous elbow/tb set up. For me, Ill probably stick to a 4150 for the clearence. Accell makes a 4150 style that flows over 1500 cfm, but its just two big throttle blades so Im wondering if it would really benefit.
http://www.accel-dfi.com/ProductDeta...minselection=0
Seems there would still be tip in issues with that one.
05-20-2010, 08:17 PM
#182
Yea and that only happened on the mass air cars. Put a bigger TB on a 86-87 SD 5.0 and it picked up.
I know one fast LT1 guy who is going to a 4500 TB over his previous elbow/tb set up. For me, Ill probably stick to a 4150 for the clearence. Accell makes a 4150 style that flows over 1500 cfm, but its just two big throttle blades so Im wondering if it would really benefit.
http://www.accel-dfi.com/ProductDeta...minselection=0
Seems there would still be tip in issues with that one.
I know one fast LT1 guy who is going to a 4500 TB over his previous elbow/tb set up. For me, Ill probably stick to a 4150 for the clearence. Accell makes a 4150 style that flows over 1500 cfm, but its just two big throttle blades so Im wondering if it would really benefit.
http://www.accel-dfi.com/ProductDeta...minselection=0
Seems there would still be tip in issues with that one.
07-11-2010, 01:11 AM
#184
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07-11-2010, 06:56 PM
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Vortexx you can mill the top of the intake a little to try to fit a 4500. accufab is about the shortest throttle body you can get. mr gasket makes a 4150 to 4500 adapter that summit/jegs sells for around $50 that is only .5" tall (Part # 1930). I have seen a stock hood with a 4150 but not a 4500 but they were all running the 2 inch size adapter also. Another option would be to just machine a 4500 flange on top. Then you wouldnt have to run an adapter at all.
Last edited by Bout'ItZ28; 07-12-2010 at 01:43 PM.
07-18-2010, 01:49 PM
#188
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You dont have much option without cutting something. Another thing to think about is the 3.5 inch air intake pipe on your car. ID of the pipe is only 87mm. You need to feed that motor with a single 102mm tb and a 4.5 inch air intake.
You can remove the super vic from the car and have 3/4 of an inch milled off the top flange. That will give you enough room to run either a 4150 tb or a new elbow to support the 102mm tb.
You can remove the super vic from the car and have 3/4 of an inch milled off the top flange. That will give you enough room to run either a 4150 tb or a new elbow to support the 102mm tb.
07-18-2010, 02:48 PM
#189
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Thanks for the info Sam. I know I'm going to be cutting on the cowl to fit a 4150 tb I just dont want to cut the passenger windshield wiper off..... yet
07-18-2010, 03:50 PM
#190
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Ive cut the linkage off from under the cowl and left the actual arm on the windshield. No one will ever know its disabled. You can also space the K-member down 1/4 inch on all 6 bolts and it will provide you some more room. Doing the 4150 will gain you 40-50 rwhp. I dont know what it made with its current config but you didnt seem pleased. If you need help you have my number.
07-18-2010, 06:32 PM
#191
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Ive cut the linkage off from under the cowl and left the actual arm on the windshield. No one will ever know its disabled. You can also space the K-member down 1/4 inch on all 6 bolts and it will provide you some more room. Doing the 4150 will gain you 40-50 rwhp. I dont know what it made with its current config but you didnt seem pleased. If you need help you have my number.
02-01-2012, 05:00 PM
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SOrry to grave dig but I know a lot of guys are comparing the 4150 tb's to elbow setups and 92mm or 90mm tbs but what about a 102 setup? Do you still think that a 5140 would make any big difference over a Aarons elbow and NW102 tb. I'm debating if I should switch to a 4150 setup or not but haven't seen anyone compare the bigger tbs
Last edited by slippi84; 02-01-2012 at 05:29 PM.
