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Author
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Topic: f-cam with 1.7rr???
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white1990stang
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Member # 2307
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posted
 
 
I have an f-cam and a street heat inatke, with bbk longtubes and stock heads. Can i use 1.7 rockers with that f-cam? Or is it too much lift??
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You must be fast, cause I was haullin ass when I passed you.
Posts: 1308 | From: martinez | Registered: Jan 2003
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93PONY
Mr. Valve Events
Member # 60
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posted
Should be fine...as long as you have upgraded valvesprings.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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street_illegal_stang
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Member # 1554
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posted
shawn? i wanted to ask you the same question but with gt40 irons f37e's stock springs and hardend exhaust vavles.
n/a applications with f-303/1.7rr. what size push rods,and springs should i invest on?
and who should i buy my timing chain from?central coast?
is the f-303 a good choice for n/a???
and if it matters, i'm using a cartech upper (box type intake) match ported lower intake to the gt40 irons ![[Smile]](smile.gif)
-Justin R.
[ March 15, 2003, 07:42 PM: Message edited by: street_illegal_stang ]
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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StreetStang37
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Member # 935
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posted
Thats a lot of duration and lift for stock heads. I think the .512 lift is with 1.6's so with 1.7's it would put it at .544. The 226* duration @ .05 is a lot, I shift at 6200 right now and I run the E303 (220*). You would have to eliminate the fuel cutoff for sure. I would leave the stock cam in, its not worth the effort and is a pretty good cam to use with the stock heads. I would just leave it in there and just put the 1.7's and be done with it untill a head swap.
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1993 Grabber Blue Mustang GT
Trick Flow Heads, Street Heat intake, 3/8in spacer, E303, TFS 1.7rr & 6.75 pushrods, Holley 190lph fuel pump, 24# injectors & sample tube, SVO timing chain, Aeromotive AFPR, 180* t-stat, 2 5/8 Auto Meter mech fuel pressure gauge, K&N, March Ram Air & Pullies, Black Magic Electric Fan, 73mm C&L MAF, Edelbrock 65mm TB & EGR, 1 5/8in Equal Length Super Competition Hooker Headers, 2 1/2in H-Pipe w/hi-flow cats & Flowmaster 2 1/2in Cat-Back Exhaust, FlowTech Cut-Outs, Nitto DR's, 3.73 gears, FMS Aluminum DriveShaft, Pro 5.0 Shifter, Pro-Shift Lite, 9mm FMS Plug Wires, PowerSlot rotors, PowerMaster 140amp Alt., LX lights, Cobra R hood w/SVO scoop, Saleen spoiler, Cobra Bumper, MaCh1 paint scheme, 3in chrome tips
Posts: 88 | From: San Jose CA | Registered: Feb 2002
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Stimson
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Member # 51
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posted
I agree with StreetStang37. Leave the stock cam in there. Put that F cam and 1.7 rocker money towards the real restriction in a 5.O: The heads and intake (both, not one or the other!)
Posts: 2373 | Registered: Jun 2000
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by street_illegal_stang:
shawn? i wanted to ask you the same question but with gt40 irons f37e's stock springs and hardend exhaust vavles.
n/a applications with f-303/1.7rr. what size push rods,and springs should i invest on?
and who should i buy my timing chain from?central coast?
is the f-303 a good choice for n/a???
and if it matters, i'm using a cartech upper (box type intake) match ported lower intake to the gt40 irons
-Justin R.
If you're using the pedistal mount 1.7's the stock pushrods will work great. Springs for N/A & F303 should be 110lb seat at the minimum. which means the TFS upgrade kit from Summit ($125) will be fine.
The F will work pretty well N/A, but I think the B303 is a better fit. Both will pass smog. If you go with the F303, you'll be set for a blower/turbo later on. In which case you'll need heavier springs. Something like the Comp 978's at a minimum.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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Glenn
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Member # 520
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posted
quote:
Originally posted by st5150:
I agree with StreetStang37. Leave the stock cam in there. Put that F cam and 1.7 rocker money towards the real restriction in a 5.O: The heads and intake (both, not one or the other!)
I know someone selling edelborcks for $600, and another set brand new for $700. Let me know if you are interested. Shoot me a pm.
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S-Trim,331,H/C/I
"JohnB groupie train"
My Car
DragGuam
Posts: 2009 | From: Stationed on a Pacific Island, Guam | Registered: Oct 2001
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street_illegal_stang
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Member # 1554
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posted
thanks for the advice shaun.
cosider the advice takin.
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by street_illegal_stang:
thanks for the advice shaun.
cosider the advice takin.
Oh forgot to answer your question about the timing chain....
The FMS 9-position I've found to be very accurate & runs ~$75 from Summit. The chain will stretch ~2 degrees after a few hundred miles, so that should be accounted for when installing the cam.
The Rollmaster Billet set is top of the line, will not stretch & has 9-positions for proper cam timing (like the FMS). It can be had for ~$90 from Ed Curtis.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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