roller rocker question

dah · June 4th, 2011, 03:19 AM

ive got gt40p heads and a e303 cam for my 91 gt i wanna put some roller rockers on it but dont no what to look for or what would work best needing some help thanks

horsepowerjunkie · June 4th, 2011, 08:23 AM

I always use 1.7 roller rockers with the E303 cam, if your springs are up to it. If you are going to use the E303 cam you should have upgraded springs anyway. Thread below.
SB FORD CRANE/ COBRA 1.7 ROLLER ROCKERS ,302,347,351 | eBay

ryanw · June 4th, 2011, 12:09 PM

i think you need pedistel mounted rocker

93hatch · June 4th, 2011, 04:17 PM

pedestal mount rockers are fukin retarted. Oh no cant adjust them shim shim shim

ryanw · June 4th, 2011, 07:20 PM

^^^ ya i was thinking it might be a waste of money unless it was coverted over to stud

To the OP, just wanted to make sure you didnt buy the wrong type of rockers

dah · June 5th, 2011, 02:21 AM

for the money will they make that big of a diff?

302Army187 · June 5th, 2011, 04:28 AM

meh. maybe.

going from 1.6 to 1.7 should yeild power if your heads can support more lift/RPM.

I wouldn't invest in it if it was me though. If you plan on upgrading to a better cylinder head, then it will just be money lost, on a very small gain in power

1988 convertible · June 5th, 2011, 09:31 AM

Originally Posted by dah

ive got gt40p heads and a e303 cam for my 91 gt i wanna put some roller rockers on it but dont no what to look for or what would work best needing some help thanks

you should be able to go with some standard ford FRRP 1.6 roller rockers but it depends what heads you are running, are they stock or aftermarket??

i'd strongly advise staying away from the proform rockers...

ryanw · June 5th, 2011, 11:20 AM

Originally Posted by 1988 convertible

you should be able to go with some standard ford FRRP 1.6 roller rockers but it depends what heads you are running, are they stock or aftermarket??

i'd strongly advise staying away from the proform rockers...

he wants to go with stock gt40 heads

dah · June 6th, 2011, 01:09 AM

i have gt40p heads and ive put new valve springs in them already but im going to get some trick flow heads later so i guess id be better off to wait thanks for the help guys

1988 convertible · June 6th, 2011, 02:16 PM

Originally Posted by dah

i have gt40p heads and ive put new valve springs in them already but im going to get some trick flow heads later so i guess id be better off to wait thanks for the help guys

if you get the trick heads you can get their signature 1.6 rockers, i know allot of guys that swear by them...

June 4th, 2011, 03:19 AM	#1
dah Regular 1991 mustang gt Join Date: Jan 2011 Posts: 51 iTrader: 0 reviews	roller rocker question ive got gt40p heads and a e303 cam for my 91 gt i wanna put some roller rockers on it but dont no what to look for or what would work best needing some help thanks

June 4th, 2011, 08:23 AM	#2
horsepowerjunkie Hardcore Enthusiast 1989 Black LX---Turbo Join Date: Jun 2010 Location: just outside Minot, ND Posts: 1,153 iTrader: 0 reviews	I always use 1.7 roller rockers with the E303 cam, if your springs are up to it. If you are going to use the E303 cam you should have upgraded springs anyway. Thread below. SB FORD CRANE/ COBRA 1.7 ROLLER ROCKERS ,302,347,351 \| eBay __________________ 89 LX Black, Boss 331, C4,T76BB, FAST EFI 82 Capri RS,89 5.0 HO,Comp XE266,TW 170,T5,etc. 73 Dart Sport 340, 410ci Bracket Brawler 72 Demon 340 4-speed 1 of 1667 01 Ram Quad Cab 03 Grizzley 660

June 4th, 2011, 12:09 PM	#3
ryanw I Post Entirely Way Too Much 1991 Ford Mustang GT Join Date: May 2007 Location: San Diego, California Posts: 6,063 iTrader: 0 reviews	i think you need pedistel mounted rocker __________________ DART 331ci stroker, AFR 185 heads, Trick Flow R intake, Accufab 70mm tb, 75mm pro m Maf, 30lb injectors, jba headers, 2 1/2" x pipe flowmaster super 10 mufflers, 255 fuel pump, 3:27 gears

June 4th, 2011, 04:17 PM	#4
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	pedestal mount rockers are fukin retarted. Oh no cant adjust them shim shim shim __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

June 4th, 2011, 07:20 PM	#5
ryanw I Post Entirely Way Too Much 1991 Ford Mustang GT Join Date: May 2007 Location: San Diego, California Posts: 6,063 iTrader: 0 reviews	^^^ ya i was thinking it might be a waste of money unless it was coverted over to stud To the OP, just wanted to make sure you didnt buy the wrong type of rockers __________________ DART 331ci stroker, AFR 185 heads, Trick Flow R intake, Accufab 70mm tb, 75mm pro m Maf, 30lb injectors, jba headers, 2 1/2" x pipe flowmaster super 10 mufflers, 255 fuel pump, 3:27 gears

June 5th, 2011, 02:21 AM	#6
dah Regular 1991 mustang gt Join Date: Jan 2011 Posts: 51 iTrader: 0 reviews	for the money will they make that big of a diff?

June 5th, 2011, 04:28 AM	#7
302Army187 Hardcore Enthusiast '89 LX 'Vert 10's or bust... Literally. Join Date: May 2009 Location: Denver, Co Posts: 2,915 iTrader: 0 reviews	meh. maybe. going from 1.6 to 1.7 should yeild power if your heads can support more lift/RPM. I wouldn't invest in it if it was me though. If you plan on upgrading to a better cylinder head, then it will just be money lost, on a very small gain in power __________________ H/C/I 302 + nitrous for now... supercharger/turbo soon? www.youtube.com/Xarmy187 Please support my YouTube channel! My videos don't disappoint!

June 6th, 2011, 01:09 AM	#10
dah Regular 1991 mustang gt Join Date: Jan 2011 Posts: 51 iTrader: 0 reviews	i have gt40p heads and ive put new valve springs in them already but im going to get some trick flow heads later so i guess id be better off to wait thanks for the help guys

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