Would I get better performance out of a Tuned Port 305 or a Cross Fire.

 

Eww man ditch that Crossfire BS, from what I heard it's noooooo good. Look at it this way, the 350 crossfire Corvette made less HP than my 305 TPI 91. I believe a crossfire vette is rated at 195hp, while my 305 TPI is like 230hp. So thats my 2 cents anyway. As for why the crossfire is so bad, I really have no real answer more than a few guesses.

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91'Z28 305 TPI *stock for now*

 

Tunned port is more performance oriented than cross fire. I think the crossfire was a good idea but never fully explored because its easyer to dump a new manifold distributer and slap a carb on it to make more power.

 

Yes ditch the crossfire. You'd even be better off going with TBI over crossfire.

 

From a performance standpoint, ditch it. But throw it in a box somewhere. CFI cars are getting rare, between ending up in boneyards and being swapped for carbs. If/when you decide to sell your car or bring it back to stock, you'll be glad you kept the CFI unit.

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Jason E

'89 Camaro RS 2.8
Medium Grey Metallic
2.8, A4, T-tops, 90k miles

'97 Z28 w/30th Anniversary package
LT1 (obviously), 6 speed, t-tops
White with orange stripes, killer system, 41k miles

Speed Kills...Wanna live forever? Drive a Ford.
Long Live #3...

 

hey dude checkout THE CROSSFIRE INJECTION FORUM. you maybe impressed about what they have done with cfi.

 

yeah,al you gotta do is spend $1500...tweak this,port this...screw it...dump that misfire(lol) injection+get a non comp controlled carb,intake,and distributor and call it a day.why do you think they only made it for two years lol
mike

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86 camaro:was a v6 car,now its going to be a v-8 5.7l!!
350:cylinders bored .040 over.a little over 9:1 compression(getting a blower some day when im rich lol)line bored.deck is milled a little(was pitted)
trw forged pistons with summit stage 2 polished rods with arp bolts.
194? intake valves(not 2.02( ),pocket ported,gasket matched,and polished ports,torker2 intake with new zinc 650 holley
matched comp cam...runs great on pump gas!!

ase certified for a few years,learned alot though

working on freakin NEONS ,cirruses,tauruses,cobras(well` at least they look nice lol)and intrepids all day makes me drink too much
good job security though

im always on the lookout for cheapv-8 t-5,s
and t-56 setups.they must be cheap.i dont care of they need rebuild,as long as they arent totally blown
also looking for a pair of iroc taillights,and a 145 speedo(cable driven)