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Bigger cam from Tighe, Camtech, Crescent, Surecam, Wade? 

 

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 Post subject: Bigger cam from Tighe, Camtech, Crescent, Surecam, Wade?
Posted: Fri May 30, 2008 9:30 am 
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Currently running a Wade 977b in my I6 Fairmont, but looking around there seems to be slightly bigger cams that might suit my needs.

Comp ratio is around 9.6:1 near stock, running Crow xr6 springs rated to .600" lift, and manual box, 3.7 diff, intake/exhaust mods. Thats it

I wanna push the limits of the stock ecu and basic crow springs and looking for a cam with .530" lift and under 230 @.050" duration, is this too much for stock ecu?

I will be ringing around but also want some opinions on the following cams im looking at:

CAMTECH

stage 2-

Duration @.050" in/ex.........215° / 215°
Valve lift........................... .530"
Lobe sep.......................... 110°
Comments: Slight lope at idle, good broad power band with strong mid range power, suitable for slightly modified engines. Min comp ratio 9:1. RPM RANGE 2000-6000

stage 3-

Duration @.050" in/ex.........227° / 227°
Valve lift........................... .530"
Lobe sep.......................... 110°
Comments: Fair idle, good mid range and top end power. Designed for engines with limited modifications. Min comp ratio 9.5:1. RPM RANGE 2800-7000

TIGHE CAMS

1337C-

Duration 'adverstised' in/ex.........280 / 280
Valve lift.................................... .530"
Lobe sep.................................... ?
Comments: Speedway (valve springs required)

SURECAM

OZY2835-

Duration @.050" in/ex.........240° / 226°
Valve lift in/ex.................. .507" / .512"
Lobe sep............................ 110
Comments: Competition, suitable for modified engines, manual or hi stall, custom computer modifications necessary 3000-6000rpm

CRESCENT MOTOSPORT

stage 3-

Duration............ ?
Valve lift........... ?
Lobe sep........... ?

WADE CAMS

1521a-

Duration @.050" in/ex.........217° / 217°
Valve lift........................... .524"
Lobe sep.......................... 114°
Comments: Mid to top end, manual or high stall, requires better springs and modified ecu
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Posted: Fri May 30, 2008 10:53 am 
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cant help with your choice but all i can say is that i am very happy with my camtech cam and i am very happy with the job crescent did putting it in. Don't think you could go wrong choosing either of the two.

Btw i have a standard cam f/s if you need for regrind.
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Posted: Fri May 30, 2008 11:27 am 
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how much those stg 2 camtech go for?

 

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Posted: Fri Jun 06, 2008 11:36 am 
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More Grunt wrote:
how much those stg 2 camtech go for?


i think Camtech charge roughly 450 for a billet

Ive decided to go with another Wade, this one with specs between the 977b and 1521a, but has to be done as a billet

1543B profile:

Duration @.050" in/ex.........212° / 212°
Valve lift........................... .536"
Lobe sep.......................... 114°

Will be interesting to see how well it goes on stock ECU. :)
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Posted: Fri Jun 06, 2008 7:09 pm 
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FordFairmont wrote:
More Grunt wrote:
how much those stg 2 camtech go for?


i think Camtech charge roughly 450 for a billet

Ive decided to go with another Wade, this one with specs between the 977b and 1521a, but has to be done as a billet

1543B profile:

Duration @.050" in/ex.........212° / 212°
Valve lift........................... .536"
Lobe sep.......................... 114°

Will be interesting to see how well it goes on stock ECU. :)


if it under fuels you can always get an adjustable pressure reg and play with that

 

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Posted: Fri Jun 06, 2008 7:26 pm 
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how would the ecu cope with another regulator? And which do you recommend for ease of fitment?

if i fitted an XR6 item, would it pointless without the xr6 ecu?
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Posted: Fri Jun 06, 2008 7:42 pm 
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I would suggest that fitting an XR6 Fuel Pressure Regulator (if you can find one) would be a step in the right direction. That way when you add either an XR ECU or aftermarket ECU it will be there to take full advantage of it, and in the mean time with the work you have done to your engine, it should help some.

I have found that every little improvement adds up.

BenJ

 

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Posted: Fri Jun 06, 2008 7:42 pm 
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FordFairmont wrote:
how would the ecu cope with another regulator? And which do you recommend for ease of fitment?

if i fitted an XR6 item, would it pointless without the xr6 ecu?


what you'd need to do is get the cam and run it on a dyno and have the AFRs checked. then deside if it need more feul. an XR ecu would help in that the slightly more agressive tune would be better the GLI tune.

you realy need to run it and see though

 

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Posted: Fri Jun 06, 2008 7:49 pm 
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yeah will defintely get it looked at first, but was thinking with an xr reg. on a gli ecu will it adjust pressure back to stock, hence the need for an xr ecu?
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Posted: Fri Jun 06, 2008 7:59 pm 
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FordFairmont wrote:
yeah will defintely get it looked at first, but was thinking with an xr reg. on a gli ecu will it adjust pressure back to stock, hence the need for an xr ecu?


As I understand it the ECU does not control the pressure of the fuel. The ECU controls when the injectors fire and the duration etc. Having a higher pressure fuel regulator means more fuel will pass through the injector for a given duration.

The XR ECU fuel and ignition maps are different to take advantage of the Tickford Hardware etc.

BenJ

 

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Posted: Sat Jun 07, 2008 1:15 am 
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FordFairmont wrote:
More Grunt wrote:
how much those stg 2 camtech go for?


i think Camtech charge roughly 450 for a billet


s**t thats not bad for a billet. wil keep them in mind when cam time comes.

wonder what joe charges for a billet stage 2 or 3...

 

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Posted: Sat Jun 07, 2008 8:43 am 
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More Grunt wrote:
FordFairmont wrote:
More Grunt wrote:
how much those stg 2 camtech go for?


i think Camtech charge roughly 450 for a billet


s**t thats not bad for a billet.


Wade charge 397 but arent always in stock
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Posted: Sat Jun 07, 2008 3:07 pm 
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Some advice, 110 degree cams may not leave you with much vacuum in the manifold to support brake booster.

The tighter the LSA the smaller the band of power, the power band shifts up the RPM range.

A high lift cam will not necessarily mean power, normally N/A lift above 500 thou you dont get much, if any gain.

Most of those big cams will need an interceptor to modify the ignition advance and fuel maps to suit the cam.

 

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Posted: Sat Jun 07, 2008 9:25 pm 
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Ride: V8 Falcon, Nissan Patrol

Location: Brisbane, Bouncing off 5800RPM
QLD, Australia

My cam specs:
Cam - Surecam: 0.554 Valve lift intake/exhaust; 220@ 50 Duration; 111.5 Lobe separation (3500 - 6500)

Runs fine as per info in my garage
http://www.fordmods.com/forums/post835294.html#835294

Brakes are fine (same as before cam)
Power band is definatly wide (can feel it from 3000 to redline of 5700)
Ghia ECU seems to handle the cam fine, plus my EL's and auto with a stock 2200 stall (however new 3000ish is being designed as we speak)

 

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Posted: Sat Jun 07, 2008 9:32 pm 
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I believe the optimum RPM range starts at around 2500 RPM, but if you feel this suits you, so be it.

 

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