306 Build suggestions

mrtwicepipes · October 30th, 2011, 05:44 PM

Hey Im nearly complete with my build heres my list of completed parts,

30 over forged aluminum 10.13;1 comp pistons

ARP rod bolts

Stock crank and rods

AFR 165 heads w/ 58cc chamber

Crane 1.7 RR

Toped off with a trick flow street intake

65mm TB

70mm mas air

Of coarse the usual question of what prime model number cam to run...?
I have my eyes set on the comp cam 274 pros/cons
I have 1.7 crane rr this cam puts me right at or below 600 lift and I have the springs shimmed just for them but if there is another cam that has been used in your simular build or an opinion let me know.

By the way this is my first SBF build, Ive got a stock 90 fox I picked up a year ago.. and I cant leave anything alone. Daily driver with a car seat

ryanw · October 30th, 2011, 06:49 PM

why did you pick AFR 165 over all the other choices out there. Did you get a good deal on them ? Im not talking shit on them cuz i run AFR 185. I just think the 165 are just a tad small

mrtwicepipes · October 30th, 2011, 07:33 PM

Well a good dealis the answer to that, for 700 I got AFR heads, Crane 1.7 RR and push rods. No complaints here

69fastback · October 30th, 2011, 09:53 PM

That's not bad, but there's a real good chance you won't be able to use those pushrods. The only way to know pushrod length is to get your engine assembled, and then measure. Someone else's engine with the same parts can still use a different length pushrod, and valvetrain geometry is very important.

The XE274HR would be a good camshaft for the combo. It should make decent power with that. Because of the smallish heads, I'd say 305-315ish to the tires, and streetable.

69fastback · October 30th, 2011, 09:56 PM

Looking at that again, have you calculated the compression? Is it 10.13 calculated for your engine? With a 58cc chamber, and those pistons, it could be getting up there depending on the other variables. It may make more if it has higher compression.

mrtwicepipes · October 30th, 2011, 11:43 PM

I've read some good threads about the cam working well with non-stroked engines plus its a 112 lsa so it should have a decent idle, yes according to the piston manufactor specs 10.13 comp on a 58cc head but I'm sure its ballpark right around there.

mrtwicepipes · October 30th, 2011, 11:54 PM

Hey by the way nice 69', I've been doing the body work on a 70' notch for the last 2 years on the side its gonna be sexy to say the least. Love the body style

steveofire · October 31st, 2011, 10:05 AM

One way you could go is either call up summit racing or comp cams and give them all the specs on your motor and they will put it into there program that will give you the best cam for your combo I had a custom ground cam from com cams and I love it

October 30th, 2011, 05:44 PM	#1
mrtwicepipes Newbie Join Date: Oct 2011 Posts: 4 iTrader: 0 reviews	306 Build suggestions Hey Im nearly complete with my build heres my list of completed parts, 30 over forged aluminum 10.13;1 comp pistons ARP rod bolts Stock crank and rods AFR 165 heads w/ 58cc chamber Crane 1.7 RR Toped off with a trick flow street intake 65mm TB 70mm mas air Of coarse the usual question of what prime model number cam to run...? I have my eyes set on the comp cam 274 pros/cons I have 1.7 crane rr this cam puts me right at or below 600 lift and I have the springs shimmed just for them but if there is another cam that has been used in your simular build or an opinion let me know. By the way this is my first SBF build, Ive got a stock 90 fox I picked up a year ago.. and I cant leave anything alone. Daily driver with a car seat

October 30th, 2011, 06:49 PM	#2
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	why did you pick AFR 165 over all the other choices out there. Did you get a good deal on them ? Im not talking shit on them cuz i run AFR 185. I just think the 165 are just a tad small __________________ 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 Last edited by ryanw; October 30th, 2011 at 08:02 PM.

October 30th, 2011, 09:53 PM	#4
69fastback Premium Member 1969 Mustang Mach 1 6.824@101.61 Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 5,565 iTrader: 0 reviews	That's not bad, but there's a real good chance you won't be able to use those pushrods. The only way to know pushrod length is to get your engine assembled, and then measure. Someone else's engine with the same parts can still use a different length pushrod, and valvetrain geometry is very important. The XE274HR would be a good camshaft for the combo. It should make decent power with that. Because of the smallish heads, I'd say 305-315ish to the tires, and streetable. __________________ ./___ _ ____ ___ \. ( ]]] _ _ O _ _ [[[ ) \_ o _ _____ _ o _/ \|___\| ......... \|___\| http://www.youtube.com/watch?v=HyYU3...e_gdata_player

October 30th, 2011, 09:56 PM	#5
69fastback Premium Member 1969 Mustang Mach 1 6.824@101.61 Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 5,565 iTrader: 0 reviews	Looking at that again, have you calculated the compression? Is it 10.13 calculated for your engine? With a 58cc chamber, and those pistons, it could be getting up there depending on the other variables. It may make more if it has higher compression. __________________ ./___ _ ____ ___ \. ( ]]] _ _ O _ _ [[[ ) \_ o _ _____ _ o _/ \|___\| ......... \|___\| http://www.youtube.com/watch?v=HyYU3...e_gdata_player Last edited by 69fastback; October 30th, 2011 at 10:02 PM.

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October 30th, 2011, 07:33 PM	#3
mrtwicepipes Newbie Join Date: Oct 2011 Posts: 4 iTrader: 0 reviews	Well a good dealis the answer to that, for 700 I got AFR heads, Crane 1.7 RR and push rods. No complaints here

October 30th, 2011, 11:43 PM	#6
mrtwicepipes Newbie Join Date: Oct 2011 Posts: 4 iTrader: 0 reviews	I've read some good threads about the cam working well with non-stroked engines plus its a 112 lsa so it should have a decent idle, yes according to the piston manufactor specs 10.13 comp on a 58cc head but I'm sure its ballpark right around there.

October 30th, 2011, 11:54 PM	#7
mrtwicepipes Newbie Join Date: Oct 2011 Posts: 4 iTrader: 0 reviews	Hey by the way nice 69', I've been doing the body work on a 70' notch for the last 2 years on the side its gonna be sexy to say the least. Love the body style

October 31st, 2011, 10:05 AM	#8
steveofire Regular 1994 Mustang Cobra Join Date: Mar 2011 Location: Minnesota Posts: 185 iTrader: 0 reviews	One way you could go is either call up summit racing or comp cams and give them all the specs on your motor and they will put it into there program that will give you the best cam for your combo I had a custom ground cam from com cams and I love it

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