A couple years ago my uncle got the itch for an older vette. He was the proud owner of an 87 tpi, 700r4. He decided the motor was not running 100% so had his motor rebuilt with the promise of 325hp (on motor). With the only mods flowmaster cat back and 1.6rr. wow! I said ur builder is selling u dreams, u might be at 250hp... So the while the motors in the shop hes all excited about racing my 91 gta l98. I was also excited to find someone close to me with a similar car. So hes talking smack about smokin my firebird,(AND LAYING IT ON THICK), Im just listening and saying it sould be a good race. LOL.
About a year later ( still have not raced ) I see him driving. We line up at a light. Looks at me smiles and laughts, I look at him and laught too. ( My cars full of crap cuz of moving extra 250lbs) I foot break it and just sit there spinning. Hes gone! but i get traction and start pulling hard on him. hit third gear and passing him!
basically its a stock l98 with a stealthram intake, headers, flowmaster, coolant bypass, smoge delete, cold air intake, shift kit, and a pcm for less tune.
Kind a funny that he thought he could just buy a corvette and just beat any car on the road. Cuz my car is not that fast like 14seconds in da 1/4 maybe high 13s.
Gotta love the smack talk!
About a year later ( still have not raced ) I see him driving. We line up at a light. Looks at me smiles and laughts, I look at him and laught too. ( My cars full of crap cuz of moving extra 250lbs) I foot break it and just sit there spinning. Hes gone! but i get traction and start pulling hard on him. hit third gear and passing him!
basically its a stock l98 with a stealthram intake, headers, flowmaster, coolant bypass, smoge delete, cold air intake, shift kit, and a pcm for less tune.
Kind a funny that he thought he could just buy a corvette and just beat any car on the road. Cuz my car is not that fast like 14seconds in da 1/4 maybe high 13s.
Gotta love the smack talk!
Supreme Member
Good kill. 
He needs a reality check, he has a stock motor with minimal mods...his car isn't that fast.
He needs a reality check, he has a stock motor with minimal mods...his car isn't that fast.
you should be faster than low 14s/high 13s if you pulled on your uncle. TPI C4 Vettes are typically that fast stock. i had an 89' that would run 13.9 at 99mph 100% unmodded
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I would say high 13s would not be out of the question. I have never been to the track. I guess im waiting to build it up a little... 3:73 gears are on my list for next season. Originally Posted by tpivette89
you should be faster than low 14s/high 13s if you pulled on your uncle. TPI C4 Vettes are typically that fast stock. i had an 89' that would run 13.9 at 99mph 100% unmodded I got beat by a stock LS1 Z28 it was even up to second gear (lol) then he just pulled away. That extra 1000 plus rpms is awsome. Wow ive raced alot of stangs but this was my first *** kicking by an LS1. Those things pull nice and HARD!
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About a year later ( still have not raced ) I see him driving. We line up at a light. Looks at me smiles and laughts, I look at him and laught too. ( My cars full of crap cuz of moving extra 250lbs) I foot break it and just sit there spinning. Hes gone! but i get traction and start pulling hard on him. hit third gear and passing him!
basically its a stock l98 with a stealthram intake, headers, flowmaster, coolant bypass, smoge delete, cold air intake, shift kit, and a pcm for less tune.
Kind a funny that he thought he could just buy a corvette and just beat any car on the road. Cuz my car is not that fast like 14seconds in da 1/4 maybe high 13s.
Gotta love the smack talk!
thats good power .I have a 91 gta just like you and i plan on putting 1.6 full roller rocker arms,headers,and mega ported slp runners,siamease lower intake and upper intake.Originally Posted by T/Atime
A couple years ago my uncle got the itch for an older vette. He was the proud owner of an 87 tpi, 700r4. He decided the motor was not running 100% so had his motor rebuilt with the promise of 325hp (on motor). With the only mods flowmaster cat back and 1.6rr. wow! I said ur builder is selling u dreams, u might be at 250hp... So the while the motors in the shop hes all excited about racing my 91 gta l98. I was also excited to find someone close to me with a similar car. So hes talking smack about smokin my firebird,(AND LAYING IT ON THICK), Im just listening and saying it sould be a good race. LOL. About a year later ( still have not raced ) I see him driving. We line up at a light. Looks at me smiles and laughts, I look at him and laught too. ( My cars full of crap cuz of moving extra 250lbs) I foot break it and just sit there spinning. Hes gone! but i get traction and start pulling hard on him. hit third gear and passing him!
basically its a stock l98 with a stealthram intake, headers, flowmaster, coolant bypass, smoge delete, cold air intake, shift kit, and a pcm for less tune.
Kind a funny that he thought he could just buy a corvette and just beat any car on the road. Cuz my car is not that fast like 14seconds in da 1/4 maybe high 13s.
Gotta love the smack talk!
what type of power do you think that your getting from your setup.
it should be close to 250whp thats over 300@ the crank.
Supreme Member
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what type of power do you think that your getting from your setup.
I have heard that you should not Siamese that lower intake. You may not like that very much.Originally Posted by kad5118
thats good power .I have a 91 gta just like you and i plan on putting 1.6 full roller rocker arms,headers,and mega ported slp runners,siamease lower intake and upper intake.what type of power do you think that your getting from your setup.
Member
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does it ruin performanceOriginally Posted by ninetyone
I have heard that you should not Siamese that lower intake. You may not like that very much. 
Supreme Member
No, but you should only do it after everything else has been opened up on the intake. How much you siamese into the manifold does have an affect on tuning.
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about two inches into the intake my slp runners are being mega ported to match the lower intake.the upper intake is getting sianesed also along with the front ports of the upper intake thats getting enlarged also.Originally Posted by RS Chris
No, but you should only do it after everything else has been opened up on the intake. How much you siamese into the manifold does have an affect on tuning. i will post pictures of it when its done.