my77stang

yes you can

the crank throws are the same, the ONLY thing that changes the firing order is the camshaft (unless its an EFI motor then you have injectors firing at the wrong time)

projectresto83

Really, doesn't sound like it would be but ok. Anyone else?

boof1027

My 77stang is correct. I put a hydraulic flat tappet cam and lifters in my 91 motor with no problems. I am also carbed so the injector thing doesn't apply.

bighungrymatt

what about if you stay fuel injected? would firing order change

WhiteWindsor

I believe firing order is the same for efi or carb. I'm still not sure why so many people with non rollers want to spend the money to make it a roller. With non-rollers there are so many choices of mechanical cams. Some people argue the adjusting valve lash theory. While it is true they are not a set it and forget it like the rollers, they do not nearly require the maintenance of adjusting the valves that some think. Cams have come a long way since the 70's. I have an early model 351 and kept it a non roller. Like i said your cam choices can be overwhelming because there are so many, which is a good thing. I adjust my valves maybe once a year just for preventive maintenance, i doubt they need it that often since i dont drive it often. One thing i do like about the later model blocks is the one piece rear main. I had my block machined to a one piece rear main for $100. The only thing "roller" i have on mine are the 1.7 Trickflow roller rockers which have an awesome sound BTW.

projectresto83

I plan on getting roller rocker rockers whenever I get the summit card. Along with a cam, new timing chain, valve spings and all that for the GT40's I have so I can get them installed.

my77stang

^ told you[8D][8D][8D][8D][8D]

now, neva doubt me again muuwaahaahahahahaha

projectresto83

Lol, sorry man. I just wanted a second opinion. Any cam you would suggest for a 306, Gt40 irons, 1.6 rockers, performer intake and eddy 600 with a c4. Need something that pull more vacuum than what I have now.

bighungrymatt

great info to know as I will be doing the 351w swap.

also fastblack do you think its worth paying the $100 to swap to a 1 piece rear main? I have a 69 block

WhiteWindsor

For sure it is! The two piece are more prone to leak than the one piece. Replacing the rear main on a two piece is a pain in the ****, it is much more involved.