Cartech Box intake driving advice??

Mustangbelle306 · 03-13-2001, 11:23 PM

Hey guys! I may know a fair share about Stangs, but I don't mind asking when I'm confused about something, so here goes!

I just traded my GT40 for a Cartech box upper and ported and polished stock lower. So, of course I lost a good bit in the bottom end torque area, but my 4.10s seem to help a bit in that area. When I'm racing I usually shifted around 5300 with the GT40. Should I be altering this now that I have the Cartech? I'm thinking yes. I want to be able to get the most out of this new part, so please give your advice!

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Elisha (Mustang Chick Extraordinaire)
1994 GT/Saleen: Cartech intake,4.10s, full exhaust, pulleys, Compucar nitrous kit 125 shot
Sold the 1986 LX sedan

http://www.geocities.com/mustangbelle_306
AOL name: GT306Chick

03-14-2001, 02:05 AM

Yup,you should definately be able to shift at a higher RPM now with the Cartech manifold as this is a mid-range and high rpm intake.Do some experimenting with this at the track for the best results.

The GT-40 intake levels off at around 5500 RPM...

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Paxton Blown 87GT

bigwhitecobra · 03-14-2001, 01:53 PM

I have a Cratech Box on the Black Mamba, and I have no trouble shifting beyond 6K. I usually shift around 6500, but I also have a Supercharger. Like Mustangguy said, it would be best to go to a track and test it a bit. I would expect you shift points to change from 5300 to roughly 6200+/-. Hope that helps some. Later.

------------------
The Black Mamba 11.2@124
94 Cobra- MAC cold air fender kit, Motorsport underdrive pulley's, MAC 21/2" off-road H pipe, SVO mufflers, 3.73 gears, E-303 cam, 13.417@101.335mph

Mustangbelle306 · 03-15-2001, 09:59 PM

Thanks so much for your advice guys!! Now I just need to take the darn thing off again and redo the gaskets bc its burning oil... I'll probably just wait until its time for the motor to come out...Thanks again!!!

------------------
Elisha (Mustang Chick Extraordinaire)
1994 GT/Saleen: Cartech intake,4.10s, full exhaust, pulleys, Compucar nitrous kit 125 shot
Sold the 1986 LX sedan

http://www.geocities.com/mustangbelle_306
AOL name: GT306Chick

03-13-2001, 11:23 PM	#1
Mustangbelle306 Yay for Chickys Join Date: Feb 2001 Posts: 1,532	Cartech Box intake driving advice?? Hey guys! I may know a fair share about Stangs, but I don't mind asking when I'm confused about something, so here goes! I just traded my GT40 for a Cartech box upper and ported and polished stock lower. So, of course I lost a good bit in the bottom end torque area, but my 4.10s seem to help a bit in that area. When I'm racing I usually shifted around 5300 with the GT40. Should I be altering this now that I have the Cartech? I'm thinking yes. I want to be able to get the most out of this new part, so please give your advice! ------------------ Elisha (Mustang Chick Extraordinaire) 1994 GT/Saleen: Cartech intake,4.10s, full exhaust, pulleys, Compucar nitrous kit 125 shot Sold the 1986 LX sedan http://www.geocities.com/mustangbelle_306 AOL name: GT306Chick

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03-14-2001, 02:05 AM	#2
Mustanguy Guest Posts: n/a	Yup,you should definately be able to shift at a higher RPM now with the Cartech manifold as this is a mid-range and high rpm intake.Do some experimenting with this at the track for the best results. The GT-40 intake levels off at around 5500 RPM... ------------------ Paxton Blown 87GT

03-14-2001, 01:53 PM	#3
bigwhitecobra Huh? Whatcha said? Join Date: Oct 2000 Location: Fayetteville, NC Posts: 1,073	I have a Cratech Box on the Black Mamba, and I have no trouble shifting beyond 6K. I usually shift around 6500, but I also have a Supercharger. Like Mustangguy said, it would be best to go to a track and test it a bit. I would expect you shift points to change from 5300 to roughly 6200+/-. Hope that helps some. Later. ------------------ The Black Mamba 11.2@124 94 Cobra- MAC cold air fender kit, Motorsport underdrive pulley's, MAC 21/2" off-road H pipe, SVO mufflers, 3.73 gears, E-303 cam, 13.417@101.335mph

03-15-2001, 09:59 PM	#4
Mustangbelle306 Yay for Chickys Join Date: Feb 2001 Posts: 1,532	Thanks so much for your advice guys!! Now I just need to take the darn thing off again and redo the gaskets bc its burning oil... I'll probably just wait until its time for the motor to come out...Thanks again!!! ------------------ Elisha (Mustang Chick Extraordinaire) 1994 GT/Saleen: Cartech intake,4.10s, full exhaust, pulleys, Compucar nitrous kit 125 shot Sold the 1986 LX sedan http://www.geocities.com/mustangbelle_306 AOL name: GT306Chick